COOLANT GRlLLE OlL SYSTEM 1 652 PUMP ASSEMBLY PUMP UNIT BOLT SCREW STUD Oil C0n t 71 Corvette w Sp H Per 454 3904826 1 17 95 w mechanical cam w o screen 36 Corvette 427 exc Sp H Per rl I D 67 71 Corvette 396 427 454 exc 13 2BC Sp H Per H D AL Cyl and Case Y2 74 Corvette 454 3904827 1 17 95 57 69 Corvette w H D 427 71 Corvette w Sp H Per 454 3964259 1 20 90 w screen 69 Corvette w AL Cyl and Case 427 3969870 1 26 00 w screen 73 75 Corvette 350 3764547 1 17 65 55 58 Corvette 8 cyl 3755420 1 20 00 PUMP UNIT cast 3704180 on cover Note 1 NOTE 7 nc udes pump assy screen assy intermediate shaft and retainen When insta ing on mode s with 348 engine discard the intermediate shaft and use oid shaft 55 62 Corvette 8 cyl 3754998 1 20 BOLT Ia 14 x 2 re hex lock 67 75 Corvette 327 350 3892678 1 20 BOLT pump and screen Is 14 x 2 53 62 Corvette 6 cyl 838172 1 15 SCREW 7 14 x 1 B O L hex hd 65 74 Corvette 396 427 454 3866604 1 56 STUD pump and screen assy 3 0 L 1 4556 SCREEN Oil Pump Intake 55 57 Corvette 8 cyl 3754942 1 2 24 2 O L w suction pipe 58 62 Corvette 3764113 1 2 13 Note 1 NOTE I For use with pump having retainer ring groove 63 75 Corvette 327 350 3830080 1 2 13 yellow stain on pipe near screen 65 66 Corvette 396 427 3860366 1 2 13 67 69 Corvette 427 exc H D 70 74 Corvette 454 3955282 1 2 24 1 723 COVER Oil Pump 55 59 Corvette 8 cyl 63 Corvette lst design 65 Corvette 327 exc F Sp H Per w Mech lifters 66 69 Corvette 327 69 Corvette w H Per 350 70 72 Corvette 350 exc Sp H Per 3821981 1 4 26 63 Corvette 54 65 Corvette exc 396 69 72 Corvette w Sp H Per 350 3848909 1 4 42 65 68 Corvette 396 427 exc H Per 3906627 1 4 26 67 74 Corvette 396 427 454 exc Sp H Per 3 2BC H D AL Cyl and Case 3906628 1 4 26 73 75 Corvette 350 3836980 1 4 26 1 7 24 GASKET Oil Pump Cover 53 62 Corvette 6 cyl 838451 1 10 3 w x 25 rt overall 1974 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET P A 3OB 1 652 1 724 1 24 REV 9 74