COOLING GRlLLE 0 L SYSTEM 50 60 65 1 277 SHROUD RADIATOR 10 3100 C0n t 1 3883009 TE Std W 366 427 Eng 1 2014988 TE W 366 427 Eng Eff w 1977 1 2488152 TM w 432 Eng 1 3901409 SM w AT475 AT540 Trans 1 277 BOLT RADIATOR SHROUD 10 2400 4 4 4 3877199 CE CM CS MM Lower 4 In 20 x 4 In Hex 300M Steel 1 9425082 CG Clip to Shroud I In 13 x 1 In Hex 300M Steel 1 277 NUT RADIATOR SHROUD 10 2817 AR AR AR 9431532 CD CE CS ME SE SG SM SS 14 U Shape Spring Type RepI 3849974 1 277 SCREW RADIATOR SHROUD 10 3025 I 4 4 3877199 CE CG CS Lower 4 20 x Hex Hd 30OM Stee RepI 3945512 AR AR AR 2006839 CD CE CS ME TE L0wer 20 x Hex Hd Spec 1 287 SHIELD ENGINE 10 1120 1 1 3937367 TE Rear SpIash T0 Cab Rr Supt Screw to 18 x Hex Hd 300M Steel 1 1 2463882 TE TM Rear SpIash T0 Cab Rr Supt Screw 18 x 4 Hex Hd TE60 65 w Auto Trans 1 287 BRACE ENGINE SHIELD 10 1133 1 1 3937368 TE Rear Splash Shield 1 287 PANEL RADIATOR GRILLE 10 2820 1 1 3898496 CE CS SE SG SM SS RH Lower Ou er w Cowl 1 1 3898495 CE CS SE SG SM SS LH Lower Outer w Cowl 1 1 1 687390 CD CE CG CM CS CY ME MM Front VaIance Rep 686624 1 1 2001019 366 427 Front Va ance CE ME Models w Front End Drive PTO Eff w 1976 1 303 PANEL FRONT END EMBLEM CLOSURE 10 0915 I 1 2487272 TE TG TM GMC Emblem 1 303 SUPPORT FRONT END EMBLEM 10 1087 1 1 2487273 TE TG TM To Fr Cross Sill 1 426 PAN OIL ENGINE 8 2900 NOTE 1 When using on models equipped with engines which incorporate the nil level gauge in the cylinder block it will be necessary to plug hole in the oil level gauge tube bracket with 3837057 special plug 1 352156 250 Repl 3988790 1 1 3938923 292 Incl Pipe Screens Support Stud 1 1 612117 305C 379 432 1 1 1 360867 350 Eff w 1973 Rep 3794060 See Note 1 1 1 357170 350 W Hyd Brake W 1975 1976 1 460781 350 CE SE Mode W Air Brake Eff w 1977 1 1 357168 350 W Air Brake Eff w 1975 1 1 360867 350 TE M0del Eff w 1976 1 1 14015484 366 427 CE ME SE Models Pri0r to 1976 2nd Design Rep 3946084 1 1 364731 366 427 CE ME SE ModeIs Eff w 1976 2nd Design 1 3946085 366 427 TE Model Prior to 1976 2nd Design 1 1 376320 427 TE M0de Eff w 1976 2nd Design 1 364723 427 CE ME Mode Eff w 1977 1 5130786 4 53 CD M0de Eff w 1976 1 5104200 4 53T CD Mode Eff w 1978 1 680167 DH478 11 Ots 1 428 BOLT ENGINE OIL PAN 8 2906 4 4 9419029 250 292 350 I In 18 x ln Rep 839896 18 18 3817006 250 292 In 20 x In 2 2 250 292 Repl 3927726 3770309 180018 Pro Loc 22 22 662421 305C 379 14 14 3817006 350 4 In 20 x I In 20 20 9419029 366 427 I In 18 x In A s0 Use 20 138485 Washer Rep 180075 2 2 9419000 366 427 Also Use 2 120380 Washer iWAREHOU NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION 78TM N S reference only Added this issue 1 25 1 277 1 428 AR PART