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Book	Page	Context
		STUD Exh Pipe LH 14088829 3 613 STUD Exh Pipe RH 14088830 2 3 611 SEAL Exh Pipe 14072686 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prvg Torq Lock ... Hex 5 16 18 19 3 616 STRAP Exh Pipe Lwr 2 1 2 1 379360 3 616 STRAP Exh Pipe Lwr 2 1 4 341160 20 3 705 PIPE Muff Inlet K109 V109 K209 ... PIPE Muff Tail Outer 1 14034834 27 8 900 BOLT Hex 5 16 18x2 28 3 708 CLAMP Muff T Pipe Supt 2 14014771 lt 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK
		STUD Exh Pipe LH 14088829 3 813 STUD Exh Pipe RH 14088830 2 3 611 SEAL Exh Pipe 14072686 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prev Torq Hex ... BOLT Hex 5 16 18x1 14 3 704 SUPPORT Muff T Pipe Fn 14007142 15 3 701 MUFFLER w Inner Pipe 140891 35 16 3 708 CLAMP Exh Saddle Type ... Tail Pipe Z 14014771 20 8 900 BOLT Hex 5 16 18 x 2 V 21 3 705 PIPE Muff Tail Inner 14034831 22 3 705 PIPE Muff Tail Outer 14034832 1988 GENERAL MOTORS SERVICE
		Manif Pipe 5 7K 15522434 3 611 SEAL Exh Manif Pipe 7 4N 15592451 2 3 613 STUD Exh Pipe 3 8 16x3 41 5 7K 14088829 3 613 STUD Exh Pipe 3 8 16x2 ... Saddle Type Fits 76 2mm 3 00 15529483 9 3 705 PIPE Muffler Tail W 5 7K Fed Alt 15577999 3 705 PIPE Muffler Tail Exc 5 7K Fed Alt 15578001 10 3 701 MUFFLER ... Hex Lk 3 8 16 9422297 15 3 613 SPRING Exh Pipe 587575 16 3 704 HANGER Exh Muff Rr Lwr 15549263 i i 1988 GENERAL MOTORS SERVlCE PARTS OPERAT ONSeLT TRUCK
		Pump w A c 14025192 7 8 948 CLAMP Hos Hex Worm 20 15 NU Hex 3 8 16 Gear 5 16 r 6 4 21 8 931 wAs1 ... Hex 3 8 16x1 12 4 845 CLIP Pwr Brk Boos Pipe 338696 25 8 900 BOLT Hex 3 8 16x1 1 4 13 4 845 CLIP Pwr Brk Boos Pipe ... PIPE P s Gear om 22514738 I M10x1 5 26 8 932 WASHER Ext rm Lk 7 16 30 8 900 BOLT Hex 3 8 16x1 1 8 1988 GENERAL Morons sanvncs PARTS OPERATIONS LTTRUCK
		INSULATOR F Tnk Anti Squeak 7 x22 Cut as reqd 6263877 I 15 8 915 NUT Hex 7 16 14 16 8 929 WASHER FI 7 16 lDx3 4 OD 17 3 015 PROTECTOR ... HOUSING Filler Pipe 14071920 37 8 977 SCREW Hex Wa Hd Tap M6 3x1 81x20 38 8 913 SCREW Pan Hd Mach Torx 1 4 20x5 8 39 8 977 SCREW Hex ... 41x16 f 1988 GENERAL MOTORS SER ICE PARTS OPERATIONS LT TRUCK 52R 1 88 3 7 3 000 GROUP
		SPRING Exh Pipe 587575 3 8 917 NUT Hex Lk 3 8 16 301M 9422297 4 3 609 PIPE Exh Manif 15549058 5 3 611 SEAL Exh Manif Pipe 15522434 6 3 708 CLAMP Saddle ... HANGER Exh Muff Rr 15549068 14 8 900 BOLT Hex Lg FI Wa 5 1Ei 18x1 1988 GENERAL MOTORS SERVICE PARTS OPERAT ONS LT TRUCK 52R 1 88 3 149 3 000 GROUP
		PULLEY Cr Shf 0 659 BOLT Hex 7 16 20x45 64 W A T 8 900 67 BOLT Hex 3 8 24x 62 280M 8 900 24 PLATE Clu Driven 0 886 WASHER ... BOLT Hex Flg Hd 1 4 20x5 8 8 900 93 CHAIN Cm Shf Timing 0 724 46 CLAMP Trans Oil Cooler Pipe ... INDICATOR Oil Lvl 1 516 95 PLATE F Pump Opg 3 901 l 1988 GENERAL MOTORS SERVICIE PARTS OPERATIONS LT TRUCK 52R 1 88 0 25 0 000 GROUP
		Chassis Cabs 14009328 23 8 900 BOLT Hex 7 16 14x1 12 300M 24 8 915 NUT Hex 3 8 16 301 M 25 8 931 WASHER Spr Lk 3 8 26 7 039 BRACE ... Hex 5 16 18x7 B 35 8 929 WASHER FI 11 32 IDx 11 16 ODx1 16 Thk 36 3 162 SUPPORT Aux Fuel Pipe 1 15588505 37 8 917 NUT Prev Torq Hex ... NOTE 1 Support is used when no crossmember exists at cab rear mounting location f 1988 GENERAL MOTORS SERVICE PARTS 0PERAT 0NS LT TRUCK 52R t 1 88 A 7 3 7 000 GROUP
		STUD Exh Pipe 3 8 16x2 73 7 4N 14053573 2 3 611 SEAL Exh Manif Pipe 5 7K 15522434 3 611 SEAL Exh Mamf Pipe 7 4N 15592451 3 3 708 CLAMP NUT Bolt ... HANGER Muff Tail Pipe Rr 15549310 8 3 704 CLAMP Muff Tail Pipe Supt Lwr Rr 15549306 9 8 900 BOLT Hex 5 16 18x2 454874 10 3 705 PIPE Muffler Tail R107 ... CONVERTER Ctltc R2 Calif 25100464 3 685 CONVERTER Ctltc R2 Fed Alt 25100463 T 1988 GENERAL MOTORS SERVICE PARTS 0PERATlONS LT TRUCK 52R 3 000 GROUP
		BOLT Hex 5 16 18x2 3 613 STUD Exh Pipe 3 8 16x2 73 300M 454874 7 4N 14053573 15 8 900 BOLT Hex M10x1 5x25 2 3 613 SPRING Exh Pipe ... Pipe 7 4N 15592451 17 3 704 HANGER Exh Muff Inter Upr 15549185 5 3 609 PIPE Exh Manif 5 7K 15549072 18 8 915 NUT Hex 3 8 16x21 64 3 609 PIPE ... CLAMP Exh Muff Rr Hngr 15549306 27 3 609 PIPE Exh Ext V314 15549071 28 3 704 HANGER Exh Pipe V314 15549081 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R j 3 000 GROUP
		BOLT Hex 5 16 18 x 7 8 35 8 929 WASHER Fl 11 32 D 11 16 OD 1 16 Thk 36 3 162 SUPPORT Aux Fuel Pipe ... Torq Hex Lk 5 1 G 18 38 5 598 HANGER Prop Shf R2 06 14007698 I NOTE 1 Support is used when no crossmember exists at cab rear mounting location 1 1988 GENERAL MOTORS
		Pipe 3 8 16x2 73 300M 454874 7 4N 14053573 15 8 900 BOLT Hex M10x1 5x25 2 3 613 SPRING Exh Pipe 587575 10 9 11504596 3 8 917 NUT Hex ... Muff Inter Upr 15549185 5 3 609 PIPE Exh Manif 5 7K 15549069 18 8 915 NUT Hex 3 8 16 x 21 64 3 609 PIPE Exh Menif ... CLAMP Exh Muff Rr Hngr 15549306 27 3 609 PIPE Exh Ext R314 15549071 28 3 704 HANGER Exh Pipe R314 15549081 t 1988 GENERAL MOTORS SERVICE PARTS OPERAT ONS LT TRUCK
		Hex Flg 3 8 16 2 3 613 SPRING Exh Pipe 587575 13 8 900 BOLT Hex Lg Fl Wa 5 16 3 3 611 SEAL Exh Manif Pipe 5 7K 15522434 18x1 ... PIPE Exh Manif W 5 7K 15549152 18 8 900 BOLT Hex M 10x1 5x25 11504596 3 609 PIPE Exh Manif W 7 4N 15549148 19 8 915 NUT Hex 375 16x21 ... PIPE Muffler Tail 15584681 27 3 704 HANGER Exh Muff Rr Lwr 15549308 28 3 704 HANGER Exh Muff Inter Lwr 15549263 T j 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK
		rosa Rr Brk wx1 4 5 2 17981073 5 8 900 501 1 Hex 5 16 18 x5 8 j 1 5 8 931 wAsH5n Lk 5 150 5 4 690 5nAc ... Hex 5 16 18 T W Loctite 75 1 1 N S CLIP Cont Vlv Lvr Part ofltem 3 12 4 681 BOLT Rr Brk Hose to Axle 1239146 13 8 950 CLIP Pipe ... BOLT Hex 3 8 16x1 3 4 T W Loctite 75 16 4 681 SPACER Cont Vlv Lvr 14055556 17 4 681 SPRING Hr Brk Hose Yoke 22527167 V J 1 1988 GENERAL morons sanvncs
		BOLT Hex 3 8 16x1 10 6 674 SEAL Hose O Ring 300M 7 65mmIDx1 63mmThk 24 8 900 BOLT Hex 3 8 16x1 1 4 6 674 7829923 300M 11 4 845 PIPE ... Boos Pipe 338696 7 16 14 4 845 CLIP Pwr Brk Boos Pipe 14032991 29 8 900 BOLT Hex 3 8 16x1 1 8 15 8 900 BOLT Hex 1 4 20x5 8 300M 28OM ... Hydraulic Brake Power Steering see Group 6 000 STEER ING BRAKE PUMP MOUNTING LINES 3 j 1988 GENERAL MOTORS SERVICE PARTS OPERATIONSeLT TRUCK 52R 1 1 88 4 69 4 000 GROUP
		CLIP Pwr Brk Boos Pipe 338696 16 8 900 BOLT Hex 1 4 20x5 8 17 T 4 845 CLIP P B Boos Pipe 14032991 18 8 917 NUT Hex ... Hex Flg M 10x1 5 35 8 900 BOLT Hex Flg Hd 3 8 16x3 4 36 6 602 PIPE Fluid Clg 14055558 6 672 GROMMET Fluid Clg Pipe W 4 56R HC4 343130 NOTE ... cast iron Exhaust Manifold H5D emissions identified by stainless steel tubular Exhaust Manifold t Y 1988 GENERAL MOTORS SERVICE PARTS OPERATlONS LT TRUCK 52R 1 88 me 6 000 GROUP
		BOLT Hex 5 16 18x3 4 Peor 1 1 4 845 CLIP Pwr Brk Boos Pipe 338696 27 8 900 BOLT Hex 3 8 16x1 1 8 12 8 900 BOLT Hex 1 4 20x5 ... CLIP Pwr Brk Boos Pipe 14032991 28 8 917 NUT Hex Flange 3 8 16 14 8 917 NUT Hex 1 4 20 29 6 606 SPACER Pump Frt Adj Brkt 15 6 670 HOSE ... models 7839798 17 6 671 PIPE Pump Inl 7833191 31 8 900 BOLT Hex 3 8 16x7 8 18 8 900 BOLT Hex 3 8 16x3 4 32 6 606 BRACKET Pump
		350M 1 3 675 PIPE Air Inj Eng Chk VIv L H 14088657 2 3 671 STUD Air Inj Eng Chk Viv Pipe 3932368 3 8 917 NUT Hex FI 3 8 16 286M ... PIPE Air Inj Eng LH L 14088580 3 675 PIPE Air Inj Eng RH 10045322 29 3 670 VALVE Air Inj Eng Chk 22049549 30 8 900 BOLT Hex W Con Wa M8x1 25x16 ... BRACE Air Inj Pump Rr 14102181 r 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R 1 88 3 103 3 000 GROUP
		SEAL Exh Manif Pipe 15522434 2 3 609 PIPE Exh Manif 15549072 3 705 PIPE Muffler Tail V2 Exc 3 3 708 CLAMP Saddle Type Fits ... Hex Lk 3 8 16 301 M 9422297 3 685 CONVERTER Ctltc V2 81 17 3 613 SPRING Exh Pipe 587575 NA4 Calif 25101074 18 3 613 STUD Exh Pipe ... Hex 5 16 18x2 23 8 900 BOLT Hex 5 16 18x3 4 300M 300M 9424877 12 3 705 PIPE Muffler Tail V107 15584691 24 3 704 HANGER Exh Muff Rr Lwr 3 705 PIPE
		Hex Fig 3 8 16 2 3 813 SPRING Exh Pipe 587575 13 8 900 BOLT Hex Lg Fl Wa 5 16 3 3 811 SEAL Exh Magnif Pipe 5 7K 15522434 18x1 ... PIPE Exh Manif W 5 7K 15549204 18 8 900 BOLT Hex M 10x1 5x25 1 1504598 3 609 PIPE Exh Manif W 7 4N 15549205 19 8 915 NUT Hex 375 16x21 ... PIPE Ext Part of Muffler 25 8 91 5 NUT Hex 5 1 6 1 8x 25 9439493 11 3 704 HANGER Exh Muff Frt Lwr 15549110 26 3 705 PIPE Muffler Tail
		Hex Wa Hd 22 0 004 6nAc1 5r eng un rn 14033945 M 10x1 5x25 23 8 900 BOLT Hex M8x1 25x16 10 6 606 6n 4c1 61 Pump Rr 14033880 8 929 WASHER ... BRACKET Pwr Brk Boos Pipe 7 65mmxlDx1 63mmxThk 7829923 Clip 14045698 14 6 671 PIPE Strg Gear Otlt 22514738 27 4 650 CYLINDER Brk Master See 15 8 900 BOLT Hex M 10x1 5x16 Catalog ... NOTE 2 For information on serviceable details reler to applicable assembly illustration in Group 6 000 1988 GENERAL morons ssnvicrs mars or s6Ari0Ns 1 1 mucx 526 i 1 88 6 37 6 000 GROUP
		Incl 93 0 208 H5D only 1 430 96 BOLT Hex 1 4 20x1 2 8 900 41 NUT Prev Torx Hex Lk 3 8 16 8 917 WASHER ... Seal Ret 1 4 20x2 49 CLAMP Trans Oil Cooler Pipe 4 126 18 0 137 50 NUT Hex 5 16 18x1 4 8 916 104 SEAL Cr Shf Rr 0 137 51 STUD ... SEAL Oil Pan Frt 1 429 106 BOLT Cr Shf Rr Seal Ret 0 137 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R 1 88 0 17 0 000 GROUP
		TUBE Carb Choke Ht W 35OM 37 SCREW Hex Wa Hd C R H4D 3 603 M4 2x1 41x10 8 977 82 BOLT Hex 5 16 18x7 8 8 900 38 BRACKET Splg Shld ... Spark Plug Wire 4 Loom N S BOLT Hex 3 8 16x7 8 1 073 44 SCREW Hex W Con Wa 1 4 I 91 BOLT Hex 5 16 18x1 1 4 300M ... BRACKET Eng Lifting Flr 0 004 49 STUD Exh Pipe 3 613 96 BRACKET EGR Sol W 305 35OL 3 671 t 1988 GENERAL MOTORS SERVICE PARTS OPERAT ONS LT TRUCK
		BOLT Pump Hex Flg Hd M 10x1 5x25 14063755 3 8 900 BOLT Hex 3 8 16x3 4 28OM 4 8 900 BOLT Hex 3 8 16x1 1 4 300M 5 8 931 WASHER ... FITTING Inl Hose W 4 3lN 7839119 15 8 900 BOLT HEX 3 8 16x1 8 300M 16 6 671 PIPE P S Gr Om 7833191 17 4 845 SEAL Hose O Rlng ... Peor 21 6 606 BRACKET Pump Rr Adj vv 5 0H 5 1I 14031105 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R 1 88 Gi 29 6 000 GROUP
		CataI0g 1 4 8 915 NUT Hex Flg Prev Torq M 10x1 5 x 5 4 805 8As1 5t 5 5 Bees 14004810 6 8 948 CLAMP Hex Hd Worm Gear ... 63mm thx 7829923 11 6 671 PIPE Hyd Strg Gear Otlt 22514738 12 6 670 HOSE Strg Gear Inl 5 7838942 13 8 900 BOLT Hex ... Hex Flange Con Spr Wa M10 x 1 5 17 6 606 5nAc5 Pump 14033881 18 8 900 BOLT Hex M 10 x 1 5 x 16 19 8 900 BOLT Hex
		BOLT Hex 3 8 16x1 1 4 12 4 845 CLIP Pwr Brk Boos Pipe 338696 300M Exc A C 13 8 900 BOLT Hex 1 4 20x5 8 28 8 917 NUT Hex Flange ... Boos Inl 7833374 31 8 900 BOLT Hex 3 8 16x7 8 17 6 671 PIPE P S Gear Otlt 7833191 30OM 18 8 900 BOLT Hex 3 8 16x3 4 32 4 845 BRACKET ... with Hydraulic Brake Power Steering see Group 6 000 STEER ING BRAKE PUMP MOUNTING LINES 1 1988 GENERAL MOTORS SERVICE PARTS OPERAT ONS LT TRUCK 52R 4 000 GROUP
		Pipe LH 14088829 3 613 STUD Exh Pipe RH 14088830 2 3 611 SEAL Exh Pipe 14072686 A 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prev Torq Hex ... BOLT Hex W Con Wa 5 16 18x7 B 18 3 609 PIPE Muff Inlet 15595267 19 1 3 704 SUPPORT Exh Pipe 15593919 20 3 616 STRAP Exh Pipe ... SUPPORT Muff T Pipe 1 14034514 24 3 705 PIPE Muff Tail Otr 14034830 25 3 705 PIPE Muff Tail lnr 14034829 26 3 708 CLAMP T Pipe 2 14014771 1988 GENERAL MOTORS SERVICE PARTS
		STUD Exh Pipe 14088834 2 3 811 SEAL Exh Manif Pipe 14072888 3 3 813 SPRING Exh Pipe 587575 4 8 917 NUT Prev Torq Tension Hex Lk 3 8 18 301M 8 929 WASHER ... Shld 14007193 12 3 690 SHIELD Converter Ht 15538386 13 3 809 PIPE Muff Inlet 10903 14053584 N S PIPE Muff Inlet 10703 Part of Muffler 16 3 708 CLAMP Exh Sys 63 50mm ... application plug the Exhaust Oxygen Sensor opening with Group 8 971 PLUG Hex Hd M 18 x 1 5 part 10017198 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R t 3 000 GROUP
		PLATE Anchor 7 518 24 WASHER 5 8 8 929 25 NUT RR Spr U Bolt Hex 5 8 18 8 915 26 SPRING Rear 7 503 27 SPRING Auxiliary Leaf ... WASHER RR S Abs 9 16 8 931 30 BOLT RR S Abs Hex 9 16 12x3 8 900 31 ABSROBER ASM Rear Shock 7 345 32 WASHER 1 2 8 929 33 WASHER ... SPACER Auxiliary Spring 7 535 40 REINFORCEMENT Aux Spr Brkt 7 526 k 1988 GENERAL MOTORS SERVICES PARTS OPERATlONS LT TRUCK 52R 1 88 7 17 7 000 GROUP
		Otlt Hose Pipe 14055585 2 1 540 PIPE Oil Clr lnl Incl 1 1l985 86 14061344 1 540 PIPE Oil Clr Inl Incl 1 1l987 88 15549142 3 1 540 PIPE Oil Clr Otlt Incl ... Pipe W 6 2J 4 56 Ratio only 14061343 19 N S CLIP Oil Clr Pipe 20 1 540 PIPE Aux Oil Clrjlnl W 6 2J 4 56 Ratio 1985 86 14061341 1 540 PIPE ... BRACKET Oil Clr Upr 14026211 8 28 8 900 BOLT Hex 1 4 20x1 2 r 1988 GENERAL MOTORS SERVICEE PARTS 0PERATlONS LT TRUCK 52R 1 88 i s 1 000 GROUP
		Hex 5 16 18x1 4 286M 9439493 39 4 680 HOSE Rr Brk See Catalog 40 4 685 PIPE Hgt Sen Brk Propn Cont Vlv R3 14036791 4 685 PIPE Hgt sen Brk Propn Cont ... CLIP P B Boos Pipe 338696 48 8 900 BOLT Hex 5 16 18x3 4 300M 9424877 49 8 962 HOSE Bulk 3 8x10 7828506 50 8 917 NUT Hex ... specific STEERING BRAKE PUMP MOUNTING illustrations NOTE 2 See assembly illustration for component pairts 1988 GENERAL MOTORS SERVICE PARTS OPEFIAT ONS LT TRUCK 52FI 1 88 4 65 4 000 GROUP
		STUD Exh Pipe LH 14088829 3 613 STUD Exh Pipe RH 14088830 2 3 611 SEAL Exh Pipe 14072686 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prev Torq Hex ... BOLT Hex 5 16 18x1 V 13 3 685 CONVERTER Ctltc See Catalog 14 3 704 SUPPORT Muff Tail Pipe 15593919 15 3 616 STRAP Exh Pipe ... PIPE Muff Tail lnner 14034825 3 705 PIPE Muff Tail Outer 14034826 21 3 708 CLAMP Muff Tail Pipe Supt 2 14014771 7 1 1988 GENERAL MOTORS SERVICE PARTS OPERATlONS LT TRUCK
		PIPE Exh C Ovr C20943 C300 14061325 3 3 609 PIPE Muff Inlt C20906 14045582 3 609 PIPE Muff Inlt C20903 14045546 4 A 3 609 PIPE Exh Rr C30903 C31003 ... PIPE Muff Tail C20903 14033591 3 705 PIPE Muff Tail C20905 14033598 3 705 PIPE Muff Tail C20943 C30 0 14033537 7 3 613 STUD Exh Pipe RH 14088830 3 613 STUD Exh Pipe ... SEAL Exh Pipe 14072686 25 3 613 SPRING Exh Pipe Flg 587575 NOTE 1 H4D emissions identified by cast iron Exhaust Manifold 11 1988 GENERAL MOTORS SERVICE PARTS OPERATl0NS LT TRUCK
		Manif Pipe 14072686 2 3 613 STUD Exh Pipe RH 14088834 3 613 STUD Exh Pipe LH 14088830 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prev Torq Hex ... SHIELD Exh Pipe Ht 14040678 8 8 929 WASHER FI 23 64 lDx1 ODx O8 Thk 9 8 900 BOLT Hex 5 16 18x1 30OM 10 8 900 BOLT Hex Flg H d M8x1 25x16 ... Exhaust Oxygen Sensor 0 pening with Group 8 971 PLUG Hex Hd M 18 x 1 5 part 10017198 j 1988 GENERAL MOTORS SERVICE PARTS OPERATl0NS LT TRUCK 52R 1 3 000 GROUP
		BOLT Hex 312 18 x 750 8 900 27 CAP Cr Shf Brg 1 2 3 4 0 095 64 NUT Hex 5 16 18 x 25 8 915 A SHIM ... BOLT Hex 375 16 x 2 25 8 900 32 BOLT Hfh 5 16 18 x 62 8 900 70 GASKET Coolant Pump 1 079 l 33 CLAMP Trans Oil Cooler Pipe ... Pump 3 901 38 BOLT Oil Pump Screen 1 652 77 BOLT Hex 375 16 x 750 8 900 A 1988 GENERAL MOTORS SERVICE PARTS 0PERATl0NS LT TRUCK
		STUD Exh Pipe LH 14088829 3 613 STUD Exh Plpe RH 14088830 2 3 611 SEAL Exh Pipe 14072686 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prev Torq Hex ... PIPE Exh C Ovr 14061323 6 3 708 CLAMP KIT Exh 2 5 3634476 7 3 609 PIPE Muff Inlet 14045590 8 3 704 SUPPORT Exh Pipe 1 5593919 9 3 616 STRAP Exh Pipe ... Tail Pipe 14034513 13 3 705 PIPE Muff Tail 14034817 14 3 708 STRAP Tail Pipe Lwr 2 25 341 160 NOTE 1 H4D emissions identified by cast iron Exhaust Manifold T 1988 GENERAL MOTORS
		SPRING Exh Pipe 587575 3 8 917 NUT Hex Lk 3 8 16 301M 9422297 4 3 611 SEAL Exh Manif Pipe 15522434 5 3 609 PIPE Exh Manif 15548980 6 3 708 CLAMP Saddle ... MUFFLER Exhaust V2 W Calif 15584682 12 3 705 PIPE Muffler Tail V1 V2 W Fed Alt 15578000 3 705 PIPE Muffler Tail V2 W Calif 15578002 13 3 704 HANGER Exh Muff ... HANGER Exh Muff lnter Upr Calif 15549082 17 3 685 CONVERTER Ctltc Calif 25100464 1988 GENERAL MOTORS SERVICE PARTS OPERATlONS LT TRUCK 52R i 3 000 GROUP
		BOLT Hex Flg M 10 x 1 5 x 95 8 900 88 GEAR Fuel Inj Pump Drive 3 935 36 BOLT Torsional Damper M16 x 1 5 x 89 BOLT Hex M8x1 25x16 ... Trans Oil Cooler Pipe 4 128 48 BOLT Hex M 10 x 1 5 x 35 8 900 99 NIPPLE Therm By Pass 8 866 49 THERMOSTAT 1 246 100 BOLT Hex M8x1 25x16 ... Therm Hsg 0 004 1 252 M 10x1 5x15x30 0 029 3 306 T 1988 GENERAL MOTORS SERVICE PARTS 0PERAT 0NS LT TRUCK 52R 1 1 88 0 1 0 000 GROUP
		Boos Pipe Clip N S 17 CLIP Pwr Brk Boos Pipe 4 845 18 BOLT Hex 5 16 18x3 4 8 900 19 WASHER Reg Helical Lk M8 8 931 20 NUT Hex ... CLIP Pwr Brk Boos Pipe 4 845 23 NUT Hex 1 4 8 917 24 BOLT Hex 1 4 20x1 8 900 25 PUMP ASM Pwr Brk Boos 6 605 26 SUPPORT ASM Pwrt ... BOLT Hex 3 8 16x3 4 8 900 33 PULLEY Hyd Strg Pump 6 655 34 BELT Pwr Strg Pump N S 35 BOLT Hex Flg Hd M6x1x12 8 900 36 BOLT Hex Fldg
		Diff Si 7451281 1 1252981 9 5 537 SPACER Diff Si Brg 170 25 8 915 NUT Hex 3 8 24 172 Used selectively with 26 8 931 WASHER Lk 3 8 SHIM UNIT Diff ... Axle 13 4 686 CLIP Rr Brk C Ovr Pipe 331416 34 5 422 LOCK Rr Axle Shf 3833322 14 8 900 BOLT Hex 5 16 18 x 7 8 35 5 595 NUT Prop ... information on Locking Differential see LOCKING DIFFERENTIAL 8 1 2 RING GEAR illust ration 1988 GENERAL MOTORS SERVICE PARTS OPERATlONS LT TRUCK 52R 1 5 000 GROUP
		SEAL Exh Pipe 14072686 ji 2 3 613 STUD Exh Pipe LH 14088829 3 3 613 SPRING Exh Pipe Flg 587575 L 4 8 917 NUT Prev Torq Hex ... PIPE Muff Inlet C109 209 14045568 14 3 704 SUPPORT Muff T Pipe C109 209 14034511 15 3 616 STRAP Exh Pipe Lwr 2 50 379360 16 3 704 SUPPORT Muff T Pipe C107 ... SUPPORT Muff T Pipe 14034516 22 3 708 CLAMP T Pipe 2 14014771 23 3 705 SHIELD T Pipe 14024532 l L 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R 5 3 000 GROUP
		COVER Clu Hsg 0 679 73 BOLT Hex 3 8 16 x 2 1 4 30OM 8 900 32 BOLT Hex 1 4 20 x 1 2 8 900 74 PUMP KIT Clnt ... GASKET Oil Pan 1 429 SEALANT Pipe 8 800 39 PAN Oil 1 426 87 BOLT Hex 1 4 20 x 1 2 8 900 40 REINFORCEMENT Oil Pan 1 426 WASHER ... SPROCKET Cm Shf 0 736 I L 1988 GENERAL MOTORS SERVICE PARTS 0PERATIONS LT TRUCK 52R 1 88 0 21 0 000 GROUP
		Prop Shf Brg Supt 3 162 SUPPORT Fuel Rr Pipe v Cr 4 081 K30943 14014791 K30943 15588505 20 8 917 NUT Prev Torq Hex Lk 3 8 13 7 006 RElNFORCEMENT ... Camper Spl 21 8 915 NUT Hex 3 8 16 only 14041298 22 8 915 NUT Hex 7 16 14 301m 14 8 900 BOLT Hex 3 8 16x1 23 4 081 SPACER Trans Supt ... WASHER Spr Lk 3 8 28 7 010 MEMBER Frt Cross 14024587 T 1988 GENERAL MOTORS SERVICE PARTS OPERAT ONS LT TRUCK 52R Y 7 000 GROUP
		STUD Exh Manif P 3 275 10 CLIP E F E Pipe N S 51 THERMOSTAT 195 Degree 1 246 1 1 STUD Hex 3 8 16x1x2 25 8 981 53 PLUG Spark ... Stem 0 310 70 SPACER EGR Vlv 3 680 30 PIPE Air Inj 3 675 71 OUTLET Clnt 1 153 31 EXTENSION Air Inj Pipe 3 675 72 STUD Clnt Otlt ... Cont Cbl 3 454 38 BRACKET Splg Shld 2 251 78 MANIFOLD Int 3 265 f 1988 GENERAL MOTORS SERVICE PARTS OPERAT ONS LT TRUCK 52R 1 88 0 27 0 000 GROUP
		CLAMP Hex Worm Gr 2i50x 625 25518880 3 8 948 CLAMP Hex Worm Gr Ei1x 75 477402 4 8 962 HOSE Bulk 1 4 x25 9439046 5 3 163 HOSE Fuel Vapor Pipe Inter ... TUBING Steel 1 4 603827 7 8 977 SCREW Sems Hex W Fl Wa M6 3x1 81x20 22527475 p 8 3 130 CANISTER Aux Fuel Vpr W NL2 17087208 9 3 162 CLAMP Fuel Hose ... M8x1 25x16 11508534 l 18 8 963 TEE Hose M6 3xM6 3xM6 3 W NL2 14004877 1988 GENERAL MOTORS SERVICIE PARTS OPERAT 0NS LT TRUCK 52R j 1 88 ar 101 3 000 GROUP
		HOSE ASM Serviced by 61 3 675 EXTENSION Air Inj Pipe 14088576 1 780 CONNECTOR Cr Case Vent 62 8 900 BOLT Hex Fig Hd W Con Wa Hose 14056428 M8x1 25x14 9 8 Pzor ... STUD Air Inj Eng Chk Vlv M40 343769 Pipe 2 277 3932368 75 8 900 BOLT Hex 5 1 6 18x7 8 I 36 N S HARNESS Vapor Cnstr 8 931 WASHER ... Incl 79 171 1 1260 39 3 130 BRACKET Fuel Vpr Canister 14054287 T 1988 GENERAL MOTORS SERVICE PARTS 0PERAT 0NS LT TFlUCK 52R T 1 88 a as 3 000 GROUP
		Pipe LH 14053574 3 613 STUD Exh Pipe RH 14053573 2 3 61 1 SEAL Exh Manif Pipe 15592451 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prev Torq Hex ... PIPE Exh Menif LH W 35OM 15522501 3 609 PIPE Exh Manif RH 15592462 6 A 3 704 SUPPORT Exh Menif Pipe 15593919 7 3 708 STRAP Tail Pipe ... SUPPORT Muff Tail Pipe Rr LH 14034513 3 704 SUPPORT Muff 81 Tail Pipe Rr RH 14020478 13 3 705 PIPE Teil LH 15537607 3 705 PIPE Tail RH 15537608 NOTE 1 H5D omissions identified
		VALVE F Tk Sel 14029228 62 3 163 BRACKET Aux Fuel Feed Rr Pipe 14014785 63 8 900 BOLT Hex 5 16 18x1 8 932 WASHER Ext Lk M8 64 8 964 TUBING Fuel Feed ... CLIP Fuel Feed Rr Pipe 467524 66 3 162 CLIP Fuel Pipe 14034543 67 8 915 NUT Hex 7 16 14 68 8 929 WASHER Fl 7 16 JDx3 4 OD NOTE 1 Used ... Used on all 159 5 Wheelbase Chassis Cabs with single or dual tanks wi Y 1988 GENERAL MOTORS SERVICE PARTS 0PERATlONS LT TRUCK 52R 1 Y 3 000 GROUP
		STUD Exh Pipe 14053573 6 2 3 611 SEAL Exh Manif Pipe 15592451 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prvg Torq Hex Lk 3 8 16 8 929 WASHER ... PIPE Exh Manif I 20903 30903 v20903 30903 15595213 3 609 PIPE Exh Manlf K31003 V31003 I 15595215 6 3 616 HANGER Exif Manif Pipe Rr K20903 30903 v20903 30903 15538329 T 3 616 HANGER ... PIPE Tail K2 v2 15537603 3 705 PIPE Tail K3 V3 15537605 V 13 3 704 SUPPORT Muff Tail Pipe Rr K2 V2 14034513 1 3 704 suPPORT Muff Tail Pipe
		STUD Exh Pipe 14053573 2 3 611 SEAL Exh Manif Pipe 15592451 3 3 613 SPRING Exh Pipe l 587575 4 8 917 NUT Prvg Torq Hex Lk 3 8 16 8 929 WASHER ... 32x15 16x1 16 5 3 609 PIPE Exh Manif C30943 R30943 15595219 3 609 PIPE Exh Manif C31403 F l31403 15595217 6 3 616 SUPPORT Exh Pipe Frt C30943 R30943 ... PIPE Tail 15537605 16 3 704 SUPPORT Muff Tail Pipe Rr 14034503 1 NOTE 1 H5D emissions identified by vacuum operated EFEE Vacuum Cannister i l i 7 1988 GENERAL MOTORS SERVICE PARTS OPERATlONS
		Pipe RH 14053573 3 613 STUD Exh Pipe LH 14053574 2 3 611 SEAL Exh Manif Pipe 15592451 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prvg Torq Hex ... PIPE Exh Manif RH 15595372 3 609 PIPE Exh Manif LH W 454 15595371 3 609 PIPE Exh Manif LH W 350M 15522497 6 3 616 SUPPORT Exh Pipe Frt 14034505 7 3 708 STRAP ... PIPE Tail RH 15537606 3 705 PIPE Tail LH 15537605 14 3 704 SUPPORT Muff Tail Pipe Rr RH 14034504 3 704 SUPPORT Muff Tail Pipe Rr LH 14034503 NOTE 1 H5D emissions identified
		DISTRIBUTOR 2 361 50 SEAL W Ret lnl Vlv Stem 0 308 8 BOLT Hex 3 8 16 x 1 8 900 SEAL Exh Vlv Stem Oil 0 308 9 WASHER Exh Manif ... LOCK Exh Manif Bolt 3 604 74 BOLT Hex 3 8 16 x 1 1 4 8 900 35 BOLT Hex 3 8 16 x 2 1 4 8 900 75 THROTTLE Body ... Refer to the End of the 2 000 Group for Service Spark Plug Wire Chart t 1988 GENERAL MOTORS SERVICE PARTS OPERATlONS LT TF lUCK 52R L 1 88 0 9 0 000 GROUP
		CLIP Fuel Inj Pipe 3 330 51 VALVE Vac Regulator 4 205 10 CLIP Fuel Inj Pipe 3 330 52 BOLT Hex 1 4 20x7 8 Pro Loc N S 1 1 BOLT ... SHAFT Vlv Rkr Arm 0 353 64 BRACKET F Inj Pipe 3 330 24 ARM Vlv Rkr L 0 333 65 NUT Hex M8x1 25x6 5 8 915 25 RETAINER ... CLAMP C D R Vlv Hose 1 762 82 HOSE C D R Vlv 1988 1 762 1988 GENERAL MOTORS SERVICE PARTS 0PERATlONS LT TRUCK 52R 1 88 0 as 0 000 GROUP
		BRACE Clu M Cyl Outboalrd 15521991 8 8 91 7 NUT Hex Lk 7 16 14 30 1 m 9 8 934 RETAINER Type B Spring Steel 3 8 Dia Shf 10 0 837 WASHER ... PIPE Hyd Clu Mas Cyl to Sec CyI 1 15537760 21 0 679 COVER Flywhl Hsg 22 0 677 SEAL Flywhl Hsg Cvr Inr I 23 8 900 BOLT Hex ... information on component parts refer to illustration titled CLUTCH CYLINDEBS HYDRAULIC Group 0 000 I 1988 GENERAL MOTORS SERVICE PARTS 0PEFlATlONS LT TRUCK 52R 1 88 I 0 45 0 000 GROUP
		STUD Exh Pipe to Manif RH 14053574 2 3 611 I SEAL Exh Pipe 15592451 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prev Tcrq Hex ... PIPE Exh Manif LH 15598033 3 609 PIPE Exh Manif RH 15598034 6 3 616 STRAP Exh Pipe Lwr 2 50 379360 7 3 704 SUPPORT Exh Pipe ... Pipe Rr LH 14034513 3 704 SUPPORT Muff Tail Pipe Rr RH 14020478 14 3 705 PIPE Muff Tail LH 14079393 3 705 PIPE Muff Tai RH 14079394 1 5 3 708 CLAMP Tail Pipe
		25x7 5 I0 11507036 5 3 675 EXTENSION Air Inj Pipe 14007363 6 3 675 PIPE Air Inj LH 14103127 3 675 I PIPE Air Inj RH 14103128 7 8 900 BOLT HFH M 10x1 ... Pump Fltr 7835231 13 3 680 GASKET Air Inj Cont Vlv Adapt 14023103 14 8 900 BOLT Hex M8x1 25x20 IIO 9 11508687 3 675 WASHER Air Inj Cont Vlv Hose Adapt ... Cont VIv Dvtir 14103126 20 8 900 BOLT HFH M8xI 5x30 9 8 11509348 t t 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R i 1 88 3 195 3 000 GROUP
		Hex Flg Con Spr Wa M 10x1 5 3 8 900 BOLT Hex Flg Hd 3 8 I6x3 4 300M 4 8 948 CLAMP Hex HD Worm Gear ... BOLT Hex Flg Hd 1 2 13x1 28OM 16 8 900 BOLT Hex Flg Hd 7 16 14x3 4 280M NOTE 1 H4D emissions identified ... cast iron exhaust manifold H5D emissions identified by stainless steel tubular exhaust manifold 4 7 t 1988 GENERAL MOTORS SERVICE PARTS OPE RATIONS LT TRUCK 52R L 6 000 GROUP
		CORE Auxiliary Heater 3034749 4 8 854 CASE Lower 3034754 5 8 977 SCREW Hex Wa Hd Tap 10 16x5 8 6 8 857 FAN Auxiliary Heater 3007341 7 8 856 SUPPORT W Guard Motor ... PIPE Aux Htr Inl Otlt Frt 15530584 I 21 8 950 CLIP Spl 1 Tube Dia 5 16 Hole 3825416 I 22 8 977 SCREW Hex Wa Hd Tap Nl8x1 25x20 ... BEZEL Aux Htr A C Cont Sw Dual Function 14040839 T 1988 GENERAL MOTORS SERVICE IPARTSOPERATIONS LT TRUCK 52R 1 88 aa 8 000 GROUP
		Pump 14087007 36 3 655 BOLT Air Inj Pump PuIIey 14077183 I 37 8 900 BOLT Hex M10 x 1 5 x 120 8 929 WASHER ... Pipe 14007363 48 3 140 VALVE W Actuator EFE 5234820 49 3 417 PLATE Air Ht Stove 14031357 50 3 417 STOVE Carb Air Htr 14031359 P 51 3 675 PIPE ... HARNESS Trans Conv Cliu Wrg Ext C 12026183 Y 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R 1 88 4 za as I 3 000 GROUP
		SPACER Air Inj Pump Pul 10051593 4 13 8 900 BOLT Hex M 10x1 5x1 20 10 9 11504610 14 8 900 BOLT Hex 375 16X 875 300M 454905 15 8 931 WASHER ... PIPE Air Inj Eng RH W 4 32 14102112 3 675 PIPE Air Inj Eng LH W I 3Z 14102113 3 675 PIPE ... HOSE Air Inj Cont Vlv Dvtr W 5 0H 5 7K 14102123 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R i 1 88 am 3 000 GROUP
		Pipe RH 14022654 3 613 STUD Exh Pipe LH 3 145 14050426 2 3 611 SEAL Exh Pipe 14072686 3 3 613 SPRING Exh Pipe Fig 587575 4 8 917 NUT Hex ... SUPPORT Exh Pipe Frt RH 14034512 8 3 708 STRAP Exh Pipe Lwr 2 25 2 50 341160 9 3 701 MUFFLER W Inlet Pipe RH 14063876 I 10 3 708 CLAMP ... Tail Pipe Rr RH 15593922 13 3 708 STRAP Exh Pipe Lwr 2 25 2 50 341160 14 3 704 HANGER Muff Tail Pipe Rr LH I 1559391 1 1 5 3 705 PIPE Muff
		STUD Exh Pipe RH W 350M 14088830 2 3 611 SEAL Exh Pipe 14072686 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prev Torq Hex Lk 3 8 16 8 929 WASHER ... Pipe W 292 14053573 7 3 609 PIPE Exh W 292 14053508 8 3 708 CLAMP KIT Exh 2 5 3634476 9 3 704 SUPPORT Muff Tail Pipe 14034521 10 3 616 STRAP Exh Pipe ... Pipe ln1 er Supt W 292 only 14024564 15 3 704 SUPPORT Muff T Pipe Inter W 292 only 14024546 16 3 704 SUPPORT Muff T Pipe 14034513 17 3 705 PIPE Muff Tail
		Pipe LH W 35OM 14088829 3 613 STUD Exh Pipe RH W 35OM 14088830 3 613 STUD Exh Pipe W 292 14053573 2 3 611 SEAL Exh Pipe 14072686 3 3 613 SPRING Exh Pipe ... SUPPORT Exh Pipe K31403 14034502 8 3 616 STRAP Exh Pipe Lwr 2 50 379360 9 3 616 SUPPORT Exh Pipe K30943 14034505 10 3 809 PIPE Exh Rr K30903 K31003 ... Tail Pipe 14022537 15 3 708 STRAP Tail Pipe Lwr 2 25 341160 16 3 704 SUPPORT Muff Tail Pipe 14034503 17 3 705 PIPE Muff Tail W 350M 14033542 3 705 PIPE Muff Tail
		PIPE Air Inj Part of Manifold Asm N S 65 VALVE C Case Vent CV789C 1 745 28 MANIFOLD Exh 3 601 70 COVER Vlv Rkr 0 386 29 STUD Exh Pipe ... Cont 32 BOLT Hex 375 16x2 1 4 8 900 W Calif 3 681 4 33 SHIELD Part of Manifold Asm N S 73 BOLT lnt Manif 3 275 34 STUD Hex 3 8 16x1x2 ... SPRING W Damper Vlv 0 303 81 SWITCH Accel Pump Clnt Temp 1 150 n Tt 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R L j 1 88 0 5 0 000 GROUP
		Pipe LH 14053573 3 613 STUD Exh Pipe RH 14053574 2 3 61 1 SEAL Exh Pipe 15592451 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prev Torq Hex ... PIPE Exh Manif LH 15598027 3 609 PIPE Exh Manif RH 15598028 6 3 616 STRAP Exh Pipe Lwr 2 50 379360 7 3 616 SUPPORT Exh Pipe ... Muff Inter RH 14061 364 13 3 705 PIPE Muff Tail LH 14079383 3 705 PIPE Muff Tail RH 14079384 14 3 704 SUPPORT Muff Tail Pipe Rr LH 14034507 3 704 SUPPORT Muff Tail
		CLAMP Int Exh Manif Oty 4 3 278 24 BOLT Hex 3 8 16 x 2 1 2 30OM 8 900 BOLT Hex 3 8 16 x 1 1 4 300M ... Hex 3 8 16 x 3 4 8 900 A 36 BRACKET Eng Lift Frt 0 004 37 STUD Exh Pipe 3 613 38 WASHER Spr Lk 3 8 8 931 39 BOLT Hex ... SENSOR Clnt Temp 1 1 50 58 BOLT Hex 3 8 16 x 1 30OM 8 900 STUD Therm Hsg 1 252 1 1988 GENERAL MOTORS SERVICE PARTS OPERATl0NS LT TRUCK
		SEAL Exh Pipe 14072686 2 3 613 STUD Exh Pipe 14053573 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prev Torq Hex Lk 3 8 16 8 929 WASHER ... PIPE Muff Inlet C20903 14045546 8 3 704 SUPPORT Exh Pipe C20903 1403451 1 9 3 616 STRAP Exh Pipe Lwr 2 50 379360 10 3 609 PIPE Exh C30903 C31003 ... PIPE Muff Tail 14033589 18 3 704 SUPPORT Muff T Pipe 14034507 I NOTE 1 H4D emissions identified by spring operated EFE 1988 GENERAL MOTORS SERVICE PARTS 0PERAT 0NS LT TRUCK
		Pipe RH 14022654 3 613 STUD Exh Pipe LH 3 145 14050426 2 3 611 SEAL Exh Pipe 14072686 3 3 613 SPRING Exh Pipe Flg 587575 4 8 917 NUT Prev Torq Hex ... SUPPORT Muff Tail Pipe Fn RH 14037812 12 3 706 HANGER Muff Tail Pipe En Supt RH 14037836 13 3 704 HANGER Muff Tail Pipe Rr RH 15593926 14 3 705 PIPE Muff Tail ... Tail Pipe Inter Supt LH 14024561 20 3 701 MUFFLER W inlet Pipe LH 14067429 21 3 704 SUPPORT Muff Tail Pipe Fr LH 14007142 22 3 609 PIPE Exh LH 15595253 1988 GENERAL MOTORS
		Pipe 14033955 3 8x11 16 9439512 3 330 INSERT F Inj Pipe Clip 560814 39 3 900 PUMP Fuel AC41618 6471831 8 977 SCREW Hex Lg Wa Hd 40 8 900 BOLT Hex ... BOLT Flg Hex Hd W Nyloc 47 N S CLIP F Pump Pipe M10x1 5x30 48 8 900 BOLT Flg Hex Hd W Nyloc 14 3 330 BRACKET F Inj Pipe M10x1 5x30 ... CLIP Fuel Pipe CK06 23 N S CLIP Fuel Drain Bk Pipe 16 RV06 16 14018630 24 3 308 GASKET F Inj Pump 14022651 3 162 CLIP Fuel Pipe CK03 25 3 306 STUD
		STUD Exh Pipe LH W 6 2C 3 145 14050426 2 3 61 1 SEAL Exh Pipe 14072686 A 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prev torq Hex ... PIPE Exh Frt LH W 6 2J 14045565 3 609 PIPE Exh RH 15595232 6 3 616 STRAP Exh Pipe Lwr 2 I J2 379360 7 3 704 SUPPORT Exh Pipe ... PIPE Muff Tail LH 14079375 3 705 PIPE Muff Tail RH 14079376 12 3 704 HANGER Exh Muff Rr LH 15593913 3 704 HANGER Exh Muff Rr RH 15593930 13 3 708 STRAP Tail Pipe
		Strg Col Dash Lwr l 6 758 16 NUT Hex 3 8 24 8 915 17 WASHER Lk 3 8 8 931 18 NUT Hex 5 16 24 8 915 19 WASHER ... Hex 1 2 20 8 915 46 NUT Slotted Hex 1 2 20 8 917 47 PIN Cotter 3 32 x1 8 938 48 NUT Hex Lk 3 8 16 8 91 7 49 BOLT ... Strg Link 6 164 NOTE 1 For information on serviceable components see Applicable Assembly illustration 1988 GENERAL MOTORS SERVICE PARTS OPERATlONS LT TRUCK 52R 1 88 es s 6 000 GROUP
		STUD Exh Pipe LH W 6 2C 3 I45 14050426 4 2 3 611 SEAL Exh Pipe 14072686 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prev Torq Hex ... STRAP Exh Pipe Lwr 2 50 379360 Q 8 3 704 SUPPORT Exh Pipe LH 81 RH 15593919 I 9 3 609 PIPE Exh Fir LH 15595309 10 3 690 CLAMP Saddle Type ... HANGER Exh Muff Rr 15593907 3 705 PIPE Muff Tail LH 15537083 I 3 705 PIPE Muff TaiI RH 15537084 14 3 708 STRAP Tail Pipe
		STUD Exh Pipe 14053573 2 3 611 SEAL Exh Pipe 15592451 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prvg Torq Hex Lk 3 8 16 8 929 WASHER FI 15 32x15 ... PIPE Exh Manif C20903 R20903 15595397 3 609 PIPE Exh Manif c30903 R30903 15592417 3 609 PIPE Exh Manif C20943 30943 R20943 30943 15592423 3 609 PIPE Exh Manif C31003 R31003 15592419 3 609 PIPE ... PIPE Tail C20903 R20903 15537602 3 705 PIPE Tail C20943 0300 R20943 R300 15535218 16 3 704 SUPPORT Muff Tail Pipe Rr 14034507 NOTE 1 H5D emissions identified by vacuum operated EFEE Vacuum Cannister 1988
		STUD Exh Pipe LH W 6 2C 3 145 14050426 2 3 611 I SEAL Exh Pipe 14072686 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Hex prev Torq ... Pipe Rr LH 15593907 3 704 HANGER Tail Pipe Rr FIH 15593926 12 3 705 PIPE Muff Tail LH 1985 86 14079387 3 705 PIPE Muff TaiI RH 1985 86 14079388 3 705 PIPE Muff ... PIPE Muff Tail RH 1987 88 15537084 13 3 708 STRAP Tail Pipe Lwr 2 25 2 50 341160 14 3 609 PIPE Exh Rr LH 15595313 15 3 609 PIPE Exh Frt LH KV10
		FLANGE W Defl Png 1985 23 4 686 CLIP Rr Brk C Ovr Pipe 331416 86 14035386 24 8 900 BOLT M8x1 25x18 9 8 Por 11508280 5 545 FLANGE W Defl ... WASHER Lk 1 2 A 36 8 900 BOLT Hex 1 2 20 x 1 37 5 422 LOCK Axle Shaft 14012746 t 1988 GENERAL MOTORS SERVlCE PARTS OPERATl0NS LT TRUCK
		Strg Col Dash Lwr 1 6 758 16 NUT Hex 3 8 24 8 915 17 WASHER Lk 3 8 8 931 18 NUT Hex 5 16 24 8 915 19 WASHER ... Hex 1 2 20 8 915 46 NUT Slotted Hex 1 2 20 8 917 47 PIN Cotter 3 32 x 1 8 938 48 NUT Hex Lk 3 8 16 8 917 49 BOLT ... Strg Link 6 164 NOTE 1 For information on serviceable components see Applicable Assembly illustration 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R Y 1 88 6 11 6 000 GROUP
		Hex 5 IS 18x17 S4 8 915 9 BRACKET Pwr Brk Boos Pipe Clip 4 845 10 CLIP Pwr Brk Boos Pipe 4 845 11 BOLT Hex 5 16 18x3 4 8 900 12 TUBING ... Hex Lk 7 16 14 8 917 28 BUSHING Brk Pedal 4 626 29 SLEEVE Brk Pedal 4 634 30 BOLT Hex 7 16 14x6 1 2 W M T 8 900 BOLT Hex ... BOLT Hex 3 8 16x1 8 900 32 PEDAL ASM Brk 4 630 33 COVER Brk Pedal Pad 4 625 1988 GENERAL MOTORS SERVICE PARTS OPERATlONS LT TRUCK 52R 4 000 GROUP
		Pipe RH 14053573 3 613 STUD Exh Pipe LH 14053574 2 3 611 I SEAL Exh Manif Pipe 15592451 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prvg Torq Hex ... PIPE Exh Manif RH C R20943 30943 15592442 3 609 PIPE Exh Manif RH C R 31403 15592440 3 609 PIPE Exh Manif LH C RBOQ43 W 454 15592441 3 609 PIPE Exh Manif ... PIPE Tail RH 1 5537601 3 705 PIPE Tail LH 15535218 15 3 704 SUPPORT Muff Tail Pipe Rr RH 14034508 3 704 SUPPORT Muff Tail Pipe Fir LH 14034507 NOTE 1 H5D emissions identified
		STUD Exh Pipe 14022654 2 3 611 SEAL Exh Pipe 14072686 3 3 613 SPRING Exh Pipe Flg 587575 4 8 917 NUT Prev Torq Hex Lk 3 8 16 8 929 WASHER ... PIPE Exh RH K30903 K3 10 1 14037856 3 609 PIPE Exh RH K314 14055574 3 609 PIPE EXh RH K30943 14037858 6 3 616 SUPPORT Exh Pipe Frt LH RH K30943 ... Tail Pipe Rr LH 14034503 17 3 705 PIPE Muff Tail LH 14029956 18 3 616 SUPPORT Exh Pipe LH 14034501 19 3 609 PIPE Exh Rr LH K30903 14045525 3 609 PIPE
		Weight 4 256 Pipe 4 265 85 CAP Gov Thrust 4 256 PLUG Line Press 1 8 27 Auto HH 86 PLUG Case Servo 4 105 Pipe PI 8 971 87 CLIP Filter ... BOLT M6x1x20 4 228 Chart 4 337 375 BOLT Hex M6x1x35 10 9 Pc 8 900 45 GOVERNOR Trans 4 256 376 BOLT Hex M6x1x45 10 9 Pc 8 900 46 COVER Governor ... SPRING Manual Detent 4 275 NOTE 1 See Assemby Illustration For Component Parts 1988 GENERAL MOTORS SERVICE PARTS OPERATl0NS LT TRUCK 52R i 1 88 421 I 4 000 GROUP
		CLAMP Hex Hd Worm Gear 73 3 417 TUBE Eng Air Ht Stove 15520413 1 4 to5 8 74 8 900 BOLT Hex Flg Hd 1 4 28 3 130 BRACKET Fuel Vpr Cnstr ... CANISTER Fuel Vpr 3 17061006 76 3 675 PIPE Air Inj RH 14087434 30 3 130 BRACKET Fuel Vpr Cnstr 14054287 3 675 PIPE Air lnj LH 14087433 31 3 660 CLEANER Air Inj Pump ... Cont Vlv 41 3 660 DUCT Air Inj Pump A CI 15593987 Cont Mdl 15591197 j 1988 GENERAL MOTORS SERVICE PARTS 0PERATIONS LT TRUCK 52R i 1 88 zi 1e 3 000 GROUP
		STUD Exh Pipe LH W 6 2C 3 I45 14050426 2 3 61 1 SEAL Exh Pipe 14072686 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Hex Prev Torq ... STRAP Exh Pipe Lwr 2 1 2 379360 9 3 701 MUFFLER W Inlet Pipe LH KV107 14063875 3 701 MUFFLER W Inlet Pipe RH KV107 14063876 3 701 MUFFLER W Inlet Pipe LH KV109 ... PIPE Muff Tail LH KV107 14034911 3 705 PIPE Muff Tail RH KV107 14034912 3 705 PIPE Muff Tail LH KV109 209 14079373 3 705 PIPE Muff Tail RH KV109
		COVER Vlv Rkr 0 386 63 STUD Hex 3 8 16 x 80 8 981 E 18 GASKET Vlv Rkr Cvr 0 423 64 SENSOR Clnt Temp 3 682 l 19 BOLT ... STUD Gen Supt 2 277 29 SUPPORT Splg Wire Rr 2 251 75 BOLT Hex 3 8 16 x 7 8 8 900 30 PLUG Cyl Hd Rr Hole 0 293 76 GASKET Clnt Otlt ... SEAL Vlv Stem Oil 0 306 93 EXTENSION Air Inj Eng Pipe 3 675 L 1988 GENERAL MOTORS SERVICE PARTS 0PERATlONS LT TRUCK 52R T 1 88 0 23 0 000 GROUP
		SEAL Exh Pipe W 454 15592451 3 611 SEAL Exh Pipe W 35OM 14072686 3 609 PIPE Exh LH C20943 2 3 613 STUD Exh Pipe RH W 454 14053574 C30943 ... Pipe LH W 45 4 14053573 3 609 PIPE Exh LH C31003 3 613 STUD Exh Pipe RH W 35OM 14054179 W 35OM 14088830 3 609 PIPE Exh LH C31403 3 613 STUD Exh Pipe ... Pipe LH 14022537 3 609 PIPE Exh RH C31403 17 3 704 SUPPORT Muff T Pipe LH 14034507 W 35OM 14054181 2 3 704 SUPPORT Muff T Pipe RH 14034508 3 609 PIPE Exh RH C30943
		STUD Exh Pipe LH 14053614 3 613 STUD Exh Pipe RH 14053573 2 3 611 SEAL Exh Pipe 15592451 3 3 613 SPRING Exh Pipe 587576 4 8 917 NUT Prvg Torq Hex ... Muff Tait Pipe Hr LH 14034507 3 704 SUPPORT Muff Tail Pipe Ri RH 14034508 14 3 705 PIPE Tail LH C20903 15537602 3 705 PIPE Tail RH C20903 15531610 3 705 PIPE Tail ... PIPE TaiI RH C30903 31003 R31003 15531601 15 3 616 HANGER Exh Manif Pipe LH C31003 15538327 NOTE 1 H5 D emissions identified by stainless steel tubular Exhaust Manifold 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS
		Pipe Frt LH 14022537 3 809 PIPE Exh Manif RH 1988 16 3 704 SUPPORT ASM Muff Tail V310 15585170 Pipe Rr LH 14034503 3 809 PIPE Exh Manif RH 1988 17 3 705 PIPE ... Pipe LH 14034501 3 809 PIPE Exh Manif RH 1988 19 3 609 PIPE Exh LH 1987 V30903 14045525 V30943 15565188 3 809 PIPE Exh LH 1987 V310 15595279 8 3 818 SUPPORT Exh Pipe ... PIPE Exh LH 1988 V310 15565169 3 818 SUPPORT Exh Pipe Frt LH 3 609 PIPE Exh LH 1988 V314 15565171 V314 14834502 3 809 PIPE Exh LH V30943 15565187 7 3 708 STRAP
		MODULE Air Inj Cont Vlv 14087515 95 8 977 SCREW Hex Wa Hd Tap 83 2 420 CLIP Spark Cont Pipe 3 680 1 4007723 M4 2x1 4 1 x10 84 1 745 CONNECTOR ... Hose in Int Manif 3928988 97 N S HOSE ASM C Case Vent 85 8 900 BOLT Hex Flg Hd W Con We I Vlv Serviced by M8x1 25x14 M9 8 Pzor 8 963 CONNECTOR ... INLET Carb Air 1985 14026361 NOTE 1 H5D emissions identified by vacuum operated EFE Vacuum Canister 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R 3 000 GROUP
		Pipe RH 14053573 3 613 STUD Exh Pipe LH 14053574 2 3 611 SEAL Exh Manif Pipe 15592451 3 3 613 SPRING Exh Pipe 587575 4 8 917 NUT Prvg Torq Hex ... PIPE Exh Manif RH K20903 30903 15595366 3 609 PIPE Exh Manif RH KV31003 15595368 3 609 PIPE Exh Manif RH KV31 lO3 15595370 3 609 PIPE Exh Manif LH KV20QlO3 30903 W 35OM ... PIPE Tail RH KV2 1 5537604 3 705 PIPE Tail LH KV2 1 5537603 3 705 PIPE Tail RH KV3 15537606 3 705 PIPE Tail LH KV3 15537605 14 3 704 SUPPORT Exh Manif Pipe
		HOSE Fil Vent Lwr Base or Aux 2 14041257 20 3 003 PIPE Fil Vent LH 2 14022589 3 003 PIPE Aux Fuel Tank Fil Vent 2 14022590 21 3 003 NECK Fil Inter ... CLAMP Fil Inter Nk Base or Aux 2 4 14041216 26 8 900 BOLT Hex Flg Hd M8x1 25x16 2 27 3 003 HOSE Fil Neck Base or Aux 2 14041215 28 3 015 SUPPORT ... Vent Lwr RH Aux 4 14022588 42 3 003 HOSE Fil Nk Lwr LH 4 14041231 1988 GENERAL MOTORS SERVICE PARTS 0PERAT 0NS LT TRUCK 52R t 1 88 1 3 3 3 000 GROUP
		1988 15565176 18 3 616 SUPPORT Exh Pipe LH 14034501 3 609 PIPE Exh RH R31003 1988 15565178 19 3 609 PIPE Exh Rr LH C30903 3 609 PIPE Exh RH R31403 1988 ... PIPE Exh Rr LH R2 3043 32mm 2 32 1987 88 15595206 I 1988 15565175 10 3 701 MUFFLER 1985 87 15537759 3 609 PIPE Exh Rr LH R31003 3 701 MUFFLER 1988 15576882 1988 ... PIPE Exh Rr LH R31403 32mm 2 375 1985 86 15595206 1988 15565179 20 3 609 PIPE Exh Frt LH 14045541 A 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R 3 000 GROUP
		Part of 56 BOLT Hex 5 16x18x3 4 300M I 8 900 17 N S 57 GASKET Vlv Body to Spcr Plt Part of 19 PLUG Auto Hex Hd Pipe 1 8x27 ... RETAINER Speedo Driven Gear Ftg I 4 338 67 BOLT Hex Flg Hd 5 16x18x1 1 8 30 BOLT Hex W Con Wa M6x1x15 Pzor 8 900 280M Sol toAux Vlv Body ... Pins 4 256 74 VALVE Conv Clu N S 333 VALVE Cont 4 265 L Y 1988 GENERAL MOTORS SERVICE PARTS 0PERATIONS LT TRUCK 52R i 1 88 4 I3 4 000 GROUP
		Pipe W 350M 14072686 3 609 PIPE Exh Rr RH K30943 3 61 1 SEAL Exh Pipe W 454 15592451 W 454 15595352 3 3 613 SPRING Exh Pipe 587575 3 609 PIPE ... SUPPORT Exh Pipe RH 14022538 5 3 609 PIPE Exh LH W 350M 14054211 12 3 616 SUPPORT Exh Pipe LH 14034501 3 609 PIPE Exh RH W 350M 14054212 13 3 701 MUFFLER ... PIPE Muff Tail RH W 350M 14045008 W 350 2 14022564 3 705 PIPE Muff Tail LH W 454 14063613 3 609 PIPE Exh Rr RH K30903 N S PIPE Muff Tail
		COVER Diff Carr 3977386 25 8 900 BOLT Hex Serrated Wa I Id 3 8 16x3 4 26 4 686 CLIP Rr Brk C Ovr Pipe 331416 27 8 931 WASHER ... PLATE Rr Brg Flg RH 14068906 38 8 900 BOLT Hex 1 2 20x1 39 5 822 SEAL Rr Whl Hub Inr Brg Oil 4 69694 40 5 855 BEARING ... information on locking differential see LOCKING DIFFERENTIAL 10 1 2 RING GEAR il us tration 1988 GENERAL MOTORS SERVICE PARTS OPERATlONS LT TRUCK 52R 1 88 2 5 5 000 GROUP
		TUBE Cr Case Depr Reg Vlv 275 5 Mm 14050458 2 I 8 91 5 NUT Hex M8x1 25x7 8 10 22521 550 3 8 900 BOLT HFH M8x1 25x30 ... PIPE ASM Exh Press Reg Vac Serviced By The Following 3 675 PIPE Exh Press Reg Vac W 6 2C 14045250 i 8 962 HOSE 7 32 ID X 300 Gll l6147 ... Brkt 1 062 10042864 23 I 1 745 VALVE Cr Case Depr Reg CV 870 25042248 1988 GENERAL MOTORS SERVICE PARTS 0PERATl0NS LT TRUCK 52R Ti 1 88 3 1 11 P 3 000 GROUP
		PIPE Governor 4 248 9 PIPE Vent 4 104 51 BOLT Control Valve 4 265 10 I CASE Trans compl 4 103 52 SCREEN Governor 4 248 11 BOLT Hex 5 16 18x5 8 Zinc ... Servo Pstn 4 228 23 BOLT Flg Hex 3 8 16x1 00 300m 8 900 63 RETAINER Frt Servo Spr 4 233 24 NUT Hex 3 8 24 Zc 301m 8 91 5 64 SPRING ... RING Speed Sensor 4 337 83 BOLT Speed Sensor Ret 4 345 1988 GENERAL MOTORS SERVICE PARTS 0PERATl0NS LT TRUCK 52R 1 88 4 as 4 000 GROUP
		BOLT Hex 5 16 18x7 8 8 900 i 14 BOLT Hex 3 8 1 6x7 8 8 900 WASHER Lk 5 16 8 931 15 PIPE Air Inj 3 675 53 VALVE ... Hex 3 8 16x1 3 S 8 900 22 SHIM Int Vlv Spr 0 303 57 STUD Hex 3 8 16x1 1 4 x3 4 8 981 ROTATOR Exh Vlv 0 309 STUD Hex ... identified by cast iron Exhaust Manifold H5D emissions identified by stainless steel tubular Exh Manili f 1988 GENERAL MOTORS SERVICE PARTS 0PERATl0NS LT TRUCK 52R 1 88 I 31 0 000 GROUP
		PANEL FUEL TANK FIL PIPE HSG 87 B8 RV1 2 06 467907 1 12 85 PANEL FUEL TANK FIL PIPE HSG 85 86 K1 16 476927 1 6 25 SEAL FUEL TANK FIL NK COVER ... BOLT HEX W CONN WA 3 8 16X1 125 87 88 RV1 2 3 15598758 AR 66 BOLT HEX W CONN WA 3 8 16X1 ... 250D 305F 305H 350L W AUX TANK NL2 14071996 1 103 00 SHIELD AUX FUEL TANK 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK
		CLAMP Worm 56to1 06 22518665 X 15 8 920 NUT Wing M6x1 I 59 3 675 PIPE Air Inj Cont Vlv 14084984 16 3 402 AIR CLEANER Serviced by 60 3 670 VALVE Ctltc Conv ... Cnstr 14054287 Hose 14063776 30 3 140 I SOLENIOD Fuel Vpr Cnstr 77 8 900 BOLT Hex 1 2 13x2 Purge W Calif 1997106 300M Ps 31 3 601 MANIFOLD ... Special 3 Way 1 4 Sw W Fed Alt 14088806 3 1 6 i 1988 GENERAL MOTORS SERVICE PARTS 0PERATIONS LT TRUCK 52R 1 88 I esa 3 000 GROUP
		Main Shaft Incl Thrust 9439594 11 14037990 51 4 520 WASHER Input Drive Gear 10 4 510 PIPE Vent 14032995 Thrust 14071875 11 4 520 BUSHING Main Shaft Ext 3978765 52 4 555 SECTOR ... CLIP Indicator Switch Wire 14037985 54 4 510 HOUSING Front Half Incl 14 8 900 BOLT Hex M10x1 5x27 4 56 57 65 66 14037947 Req d 55 4 555 BOLT Low Range ... SPRING Mode Fork Shifter 14037968 79 8 917 NUT Wa Insert Hex Lk 3 8 24 A i 1988 GENERAL MOTORS SERVICES PARTS 0PERATlONS LT TRUCK 52R 1 88 441 4 000 GROUP
		EXTENSION Air Inj Eng Pipe 14088291 Adj 14079596 21 3 675 HOSE Air Inj Cont Vlv Dvtr 14088352 64 8 900 BOLT Hex Flg Hd 22 N S CLAMP M 10x1 5x30 ... HARNESS Evap Emis Serv 43 8 900 BOLT Hex 3 8 16x2 1 2 by 300M 3 278 CONNECTOR Spl Y 2 44 8 900 BOLT Hex M8x1 25x20 1 4 ID Hose ... Hose 465994 10 9 Pzor 8 962 HOSE 5 32 1 4 3 8 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R 1 88 we 3 000 GROUP