COOLANT GRILLE OIL SYSTEM GMC GROUP 1 540 C n t 77 P 2 3 exc M H C 4 343153 I RL 5 43 HOSE inlet and outlet 4 8 4445 77 78 C1 2 3 454 471816 I 39 75 HOSE eng oil clr otlt 4 4 8 4445 73 76 M H C 77 MHC 1st design 332898 I 51 00 HOSE ASM inlet Note 2 8 4445 J 73 76 M H C 77 MHC Ist design 332899 I 51 00 HOSE ASM outlet Note 3 8 4445 74 76 G 3 Cab 481528 1 51 00 HOSE ASM inlet 8 4445 74 77 G 3 Cab 481525 1 51 00 HOSE ASM inlet 8 4445 77 G 3 Cab 46I526 I 51 00 HOSE ASM outlet 8 4445 77 78 C 1 2 3 Blazer C Jimmy C 378347 2 39 75 HOSE ASM inlet and outlet 8 4445 77 MHC 2nd design 78 MHC 468711 I 52 25 HOSE ASM inlet Note 2 8 4445 77 MHC 2nd design 78 MHC 488712 1 51 00 HOSE ASM outlet Note 3 8 4445 78 C 1 Diesel 461567 1 55 50 HOSE ASM outlet 8 4445 78 C 1 Diesel 14029251 I 56 50 HOSE ASM inlet 8 4445 78 G 2 3 485108 I 53 25 HOSE ASM inlet 8 4445 78 G 2 3 465I07 1 51 00 HOSE ASM outlet 8 4445 74 78 G 3 Cab 1494252 1 52 NUT U J 20 1 269 8 4422 74 78 G 1 2 3 3411I0 1 7 70 PIPE ASM outlet rear 8 4445 74 78 G 1 2 3 341112 1 7 70 PIPE ASM inlet rear 8 4445 7377 M H C 73 77 G 1 2 3 7377 CK I 2 3 Blaxer Jimmy 3737037 I 47 SEAL adapter asm 1 844 8 4420 74 78 CKP I 2 3 Blater Jimmy exc M H C 342600 1 2 60 SHIELD hose heat 8 4477 74 77 G 3 Cab 6270052 1 38 STUD 20 x I 0 679 8 2010 73 78 M H C 33290I 2 2 75 SUPPORT hose clip straight 8 4810 73 78 M H C 454 332900 I 2 60 SUPPORT hose clip angled 8 4810 78 All Diesel 580018 1 2 80 SUPPORT pipes 8 4810 1 809 PIN PLUG RETAINER SPRING VALVE Oil Pump Pressure Regulator 73 78 All 83B839A R 26 PIN spl groove 8 3730 75 78 CKGP 1 2 3 M H C f 305 350 400 exc Diesel 3704871 I 74 PLUG vlv spring stop 8 3731A J 73 78 All M H C 454 3701584 1 28 RETAINER valve spring 8 3773D 73 78 All Blazer Jimmy M H C exc 454 Diesel 38I4903 I 35 SPRING valve 21 coil 2 free length 8 3843D 73 78 All M H C 454 3880378 I 35 SPRING valve 25 coils ii 0 D x 2 lree length 8 3843D 78 All Diesel 401365 I 89 SPRING reliel 35 coils 3 u Iree length 8 38430 73 78 All Blazer Jimmy 5 cyl 3829433 1 1 20 VALVE 8 3880A 73 78 All Elaxer Jimmy M H C 305 307 350 400 exo Diesel 3702366 I 1 20 VALVE 8 3880D 7378 All M H C 454 3880377 I 1 25 VALVE 8 3880D 78 All Diesel 557238 1 1 50 VALVE 8 3880D 1 839 DRIVE ASM KIT GEAR SHAFT PIN RETAINER Oil Pump 78 All Diesel 7839413 I 137 00 DRIVE ASM KIT oil Ki vacuum pump 8 3805A 78 All Diesel 585582 2 3 45 GEAR 8 3800E 73 78 All Blazer Jimmy M H C 305 307 350 400 3998287 I 5 50 SHAFT dist to oil pump inter 2 372 8 3800D 73 78 All M H C 454 3998289 1 4 40 SHAFT dist to oil pump intermediate 2 372 8 3800D 78 All Diesel 555737 1 92 SHAFT oil pump driven gear 8 3800D 78 All Diesel 225I 730 1 5 55 SHAFT oil pump drive 8 3800D 78 All Diesel 559127 1 4 55 SHAFT drive ext 8 3800D 75 78 All Blazer Jimmy M H C 8 cyl 3838903 2 33 PIN oil pump 0 738 8 3732 73 78 All Blazer Jimmy M H C 8 cyl exc Diesel 3764554 I 30 RETAINER dist to oil pump J intermediate shaft 8 3772D WAREHOUSING AND DISTRIBUTIONDIVISION 0F GENERAL MOTORS CORl 0RATION LT TRUCl 51 t 1 540 1 639 1 34 REV 2 83