BRAKES GMC GROUP 4 688 C0n t 74 75 K 1 2 Blazer K Jimmy K 4 342677 A R 33 CLIP front brake pipe i 4 6085 74 78 G I 2 3 4 342677 A R 33 CLIP front rear brake c over pipe 4 6085 73 78 All 556937 A R 31 CLIP steel nominal tube dia M 4 78 J mtg span M 13 50 atch hole M 10 31 Note I 4 6085 73 78 G1 2 3 478600 I 33 CLIP clsd steel type 5 tang 4 6085 73 CP 1 2 3 w Brake Booster 74 76 P I 2 3 w JB I JB 3 JB 5 JB 8 JB 7 3408I4A R 33 CLIP brake main cyl lower pipe blue 1 I 15 x 2 75 13 x Z 50 brks 4 6085 76 77 P I 2 3 w JB 5 JB 6 JB 7 76 CK 2 3 w JB 7 340814 A R 33 CLIP front brake pipe 4 6085 73 74 All Blazer Jimmy 343450 A R 33 CLIP rear brake inlet pipe 4 8085 74 77 All Blazer Jimmy 343450 A R 33 CLIP brk main cyl Iwr pipe blue 3 162 4 8085 74 P 2 350 74 P 3 w JB 7 350 343437 A R 55 CLIP brake cyl hose 4 6085 73 74 C 1 2 3 Blazer C Jimmy C 75 78 All Blazer Jimmy 343438 A R 35 CLIP front brake pipe 4 6085 73 78 CKGP 2 3 73 78 M H C 33I418 1 31 CLIP rear brake crossover pipe 4 6085 74 77 M H C w JB 8 JB 9 540029 I 33 CLIP rear brake front pipe 13 x 3 50 15 x 4 brks 3 162 4 8085 74 75 All Blazer Jimmy 343440 A R 33 CLIP rear brake pipe natural 3 162 4 8085 74 78 P 3 w 1 I 000 Ib axle 3957100 I 31 CLIP rear brk crossover pipe 4 8085 74 78 C 3 w JB 8 343453 A R 33 CLIP brake main cyl pipe grommet 13 x 3 50 brk 3 162 4 6085 74 78 All Blazer Jimmy 343481 A R 33 CLIP closed pipe 70 mtg attch hole Type lV tang 4 6085 74 75 0 3 w JB E exc P 343442 1 33 CLIP power brk booster outlet rear pipe 4 6085 74 P 3 w JB B JB 9 6 cyl J exc M H C 343442 1 33 CLIP power brk booster pipe 4 6085 74 P 3 w JB 8 JB 9 8 cyl exc P S M H C 343442 1 33 CLIP power brk booster pipe 4 6085 75 G 1 2 3 Van w P S 75 G 3 Cab JB 7 w P S 343442 1 33 CLIP hydraulic steering pump inlet and outlet pipes 4 6085 75 P 3 w JB B JB 9 292 343442 l 33 CLIP pwr brk booster pipe 4 6085 75 78 All Blazer Jimmy 2044I53A R 47 CLIP pipe x I mount x i wide 4 6085 75 77 P Z 3 w E E 292 343444 2 33 CLIP rear brake inter pipe 3 I62 4 6085 75 77 P 3 w JB 8 JB 9 exc M H C 367794 1 1 70 CLIP brk main cyl pipe 4 5085 76 78 C 3 w JB 8 78 P3 42 w J87 JB8 77 78 P1 Z 343439 2 31 CLIP park brk frt cbl 4 6085 78 C3 43 454 w NAB 343439 I 31 CLIP rr brk inter pipe 4 8085 77 78 C1 2 06 454 w NA9 343439 5 31 CLIP rr brk pipe 4 8085 78 CZ 43 454 exc ZW2 343435 I 3I CLIP rr brk inter pipe 4 6085 78 CI 2 3 03 w JD3 JD5 JDS JD7 3882380 1 31 CLIP brk main cyl pipe grommet 4 6085 73 78 All Blazer Jimmy I 1503675 A R 35 SCREW hex wa hd tap i I6 x 78 P3 w Dana 378878 1 2 45 SCREW rr axle brk line clip Dana 36286 4 690 VALVE ASM BRACKET GASKET Rear Brake Pressure Regulator NOTE I When used nn 1977 and prior models wire asm 12007925 also reqd 73 M H C w 14 000 lb G v w 74 78 P 3 w 11 000 Ib axle 74 78 M H C J8 9 w Dana axle I 800404 S I 47 50 VALVE ASM w dist brake pipe 15 x 4 brk 7 6238 73 P I Z 3 exc 1I O00 J Ib axle Chev Only t WAREHOUSING AND DISTRIBUTIONDIVISION OF GENERAL MOTORS 00RPORAT 0N LT TRUOK 51 4 686 4 690 noo REV 2 83