COOLANT GRILLE OIL SYSTEM 1 609 SPgN GASKET VALVE RETAINER PLUG PIN Oil Pump OII 65 70 Chevy 4 cyl 4 4 4 3829433 1 65 VALVE pressure regulator used w pump cast 3B32182 Note 1 4 4 64 69 All B cyl exc 396 427 70 72 All 307 350 70 72 All vv 2BC 400 73 75 All 8 cyl exc 454 44 3702366 1 65 VALVE pressure regulator sf D x ll 0 0 1 ln 0 L 4 4 65 71 All 396 400 w 4BC 427 454 72 All 402 454 73 75 All 454 4 44 3860377 1 71 VALVE pressure regulator 1 0 L x n 0 0 44 4 71 75 Vega Monza 122 140 3988701 1 69 VALVE oil pressure regulator 65 71 All 396 400 w 4BC 427 454 72 All 402 454 73 75 All 454 4 44 4 3701564 1 06 RETAINER pressure regulator valve spring l if 0 0 64 67 Chevy 6 cyl 3774436 1 13 PLUG pump outlet by pass hole 1 516 71 75 Vega Monza 140 6256614 1 36 PLUG oll pressure regulator valve 75 All 8 cyl exc 454 3704871 1 38 PLUG oil pressure reg valve spring stop All All 838839 1 05 PIN special groove NOTE 1 For 196 2 thru 7967 Chevy with 283 327 V8 t0 be used In 37933 I0 pump asm only 3793310 Idenn by GM Trademark and 3793558 cast In pump body 1 637 VALVE ASSY Oil Filter By Pass 71 73 Vega 140 5575416 1 1 69 1 639 PIN RETAINER SHAFT SLEEVE Oil Pump Shaft 65 Chevelle w Sp H Per 396 65 70 All w Sp H Per 396 427 454 71 All w Sp H Per 454 3877674 1 13 dist to 0ll pump inter sleeve retalner 72 75 All 8 cyl 3836903 2 13 0 738 44 64 70 All 8 cyl exc 396 427 454 65 70 All 396 427 454 exc Sp H Per 71 75 All B cyl 3764554 I 13 RETAINER dist to pump inter shaft Note 1 64 67 Chew 8 cyl 3790872 1 2 40 SHAFT dist to pump inter 2 372 64 69 All 283 302 307 327 350 70 75 All 307 350 400 w 2BC 3998287 1 3 10 SHAFT dist to pump inter 2 372 Note 1 65 69 All 396 400 w 460 427 exc Sp H Per 70 71 All 454 71 All 396 400 w 4BC exc Sp H Per 73 75 All 454 3998289 1 2 50 SHAFT dist to pump inter 2 372 65 70 All w Sp H Per 396 427 3865886 1 4 05 SHAFT dist to pump inter 2 372 65 Chevelle 396 65 70 All w Sp H Per 396 427 454 71 All w Sp H Per 454 3877672 1 1 15 SLEEVE dist to oll pump inter shaft NOTE I For use with pump having retainer ring groove 1 652 PUMP ASSEMBLY BOLT STUD Oil 64 67 Chevelle Camaro 8 cyl exc 396 65 69 Pass 283 307 327 350 65 Pass 409 exc H Per dual 4BC 68 69 Chevy Chevelle Camaro 307 327 350 70 72 All 307 350 exc Sp H Per 70 72 All w ZBC 400 V 73 75 All 8 cyl exc 454 75 Monza 8 cyl 3784547 I 23 80 64 72 Chevelle Camaro 6 cyl 65 72 Pass Chevy exc B cyl 73 15 All 6 cyl 3832449 1 24 80 cast 3832182 64 67 Chevy 8 cyl 3793310 1 20 55 65 69 Chevy 4 cyl 3832449 1 24 80 r 65 Pass w H Per dual 4BC 409 t t GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 T 1 609 1 662 1 72 REV 4 77