COOLING GRILLE OIL SYSTEM 50 60 65 1 516 TUBE ENGINE OIL LEVEL INDICATOR 8 3430 1 1 3973291 250 292 Oil Level Gauge When Using 3973291 In Place of 3973292 Cut 1 1875 From Top End Bend as Reqd to Obtain Necessary CIearance RepI 3973292 1 1 3898518 350 Upper CE SE Model 1 1 3951600 350 Lower CE SE Models 1 3865671 350 TE Model 1 1 3902760 366 427 CE ME SE Models 1 3976295 366 Upper SE Model 1 3898518 350 SE Models USA Canada Std Eff w 1977 1 3902760 366 SE Mode s USA Canada Opt Eff w 1977 1 3888434 366 427 TE Model 1 1 697424 305C 379 432 TM Model 1 1 699299 305C 379 CM SM Model 1 2457294 DH478 CG SG Models 1 643516 DH478 TG Model 1 5139903 4 53 CD Model W 1976 1977 I 1 5104259 4 53 4 53T CD Model Std Eff w 1978 1 516 ADAPTER ENGINE OIL LEVEL INDICATOR 8 3390 1 1 5121062 4 53 4 53T CD ModeI Std Eff w 1978 1 516 BRACKET ENGINE OIL LEVEL INDICATOR CLIP SUPPORT 8 3394E 1 2459130 DH478 CG SG Model 1 2457716 DH478 TG Model 1 516 CLIP ENGINE OIL LEVER INDICATOR TUBE 8 3400 1 1 2422794 305C 379 DH478 CM SM Model 1 1 2448920 305C 379 432 TM Model 1 1 5170860 4 53 4 53T CD Mode Std Eff w 1978 1 5168001 4 53 CD 510248B Eng Assy AR 5131549 4 53 CD C ip Bracket 1 516 NUT ENGINE OIL LEVEL INDICATOR TUBE CLIP BOLT 8 3419B 1 1 2480498 305C 379 350 366 427 CM SM CE MG ModeI AIso Use Oil Cooler P T O 1 516 SUPPORT ENGINE OIL LEVEL INDICATOR CLIP 8 3428B 1 1 699320 3050 379 CM SM ModeI 16 x Bolt 1 516 SEAL ENGINE OIL LEVEL INDICATOR TUBE 8 3423D 1 1 1 274244 350 366 427 CE ME SE TE Models 1 519 TUBE OIL DISTRIBUTION 8 3873M 1 5109241 4 53 CD Mode 0i Pump In et Eff w 1976 1 5130938 4 53 4 53T Blower Drive Gear Support Lube OiI CD M deI 0pt Eff w 1976 1 531 SPACER ENGINE OIL FILLER PIPE 8 33380 1 1 2475748 366 427 Supp0rt TE Model 1 531 CONNECTOR OIL GAUGE OIL LINE 8 465OD 1 1 350 366 Lower Line 135628 Pro Loc 1 1 3853958 350 1 366 Lower Line W Cab 134251 Pro Loc 1 5578744 366 427 Oil FiIter CE ME ModeI Op Eff 1976 1 366 427 Tube Asm to Adapter CE ME Mode 0pt Eff 1976 431538 Pro Loc 1 531 FLANGE OIL DISTRIBUTION 8 3618 1 5119425 4 53 Inlet Tube 1 531 RING OIL PUMP TUBE 8 3712 1 5127175 4 53 Inlet Tube to Pump Seal 1 540 ADAPTER ENGINE OIL COOLER 8 4380 1 340258 366 427 CE ModeI ME w Air Brks 0pt Eff w 1974 1 340258 366 CE Model Engine Oil C0oIer Opt Eff 1975 1 5123414 4 53 Oil C0oIer CD M0deI 1976 1977 1 5103855 4 53 4 53T Oil C0oIer CD ModeI Eff w 1978 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION 78TM IN S reference only Added this issue 1 27 1 51 6 1 540 AR PART