I TRANSMISSION 4 226 BALL BOLT BEARING BUSHING GASKET O RING PIN I RING SEAL SPACER SPRING VALVE WASHER I TRANSMISSION OIL PUMP Con t I I 69 75 T H 350 4 332505 2 36 SPACER pump thrust 4 4 4 4 I 75 T H 350 4 332505 1 36 SPACER pump thrust 4 69 T4H 350 4 4 3850850 1 12 SPRING pump priming 4 69 T H 350 4 4 44 3850849 1 78 VALVE oil pump priming 4 71 5400 T H 350 3850849 1 478 VALVE oil pump priming 4 4 4 65 74 T4H 400 6 8626281 7 8 24 WASHER pump to case bolt s I4D x 0 04 4 72 74 T H 375 6 44 8626281 8 24 WASHER pump to case bolt I D x I SH O D 4 4 I I 4 228 COVER PIN PISTON RETAINER RING ROD SEAL WASHER TRANSMISSION FRONT SERVO ACCUMULATOR I 1 1968 lst type die case piston with separate metal oil ring I 2 1968 2nd type stamped piston with integral bonded rubber seal I rr ist type use with mu asiersa I 69 75 T H 350 4 1243476 1 1 65 COVER inter clutch accum piston 4 I I 71 75 T H 400 4 44 8626879 I 1 72 PIN front servo piston I 7I 75 T H 425 4 4 8626880 I 1 44 PIN front servo piston 4 4 72 75 T H 375 4 8626579 1 1 72 PIN front servo piston 4 4 I 65 70 T H 400 425 4 4 8623649 I 3 71 PISTON servo 4 4 I 66 68 J4T 1 1372055 1 2 35 PISTON primary 4 68 69 l T 2 44 1384396 1 2 65 PISTON primary 4 I 69 74 T H 350 4 I243383 1 1 45 FISTON direct clutch accurn 4 I 69 75 T4H 350 4 4 342494 1 3 80 PISTON inter clutch servo w seal I I 69 75 T H 350 4 1239836 1 4 40 PISTON inter clutch accum vv seal rings I 71 75 T H 400 425 4 4 8626878 1 4 08 PISTON front servo 4 4 4 75 L6 V6 260 Eng T H 350 1246318 1 9 75 PISTON inter clutch 4 166 4 I I 75 350 Eng T H 350 4 1246319 1 12460 PISTON inter clutch 4 4 71 75 T H 400 425 4 8626883 1 6 55 PISTON front accumulator 4 4 I 72 75 T H 375 4 8626878 1 4 08 PISTON front senio 72 75 T H 375 44 4 4 8626883 1 6 55 PISTON front accumulator 4 I 74 T H 350 44 4 342494 1 3 80 PISTDN inter servo 4 4 I 64 J T 7 8 934 455564 1 18 RETAINER low servo 1st type 44 69 75 T H 350 4 44 6260138 I 31 RETAINER inter clutch accum piston 1 cover 4 4 I 71 75 T H 400 425 8626884 1 39 RING front servo spring retg I I 72 75 T H 375 44 8626884 1 39 RING front servo spring retg 69 75 T H 350 6261008 1 3 40 ROD inter clutch servo 2 u 4 I 64 69 J T 4 4 4 4 44 1191493 1 78 SEAL cover oil 4 44 4 I 66 69 J T 4 4 4 446363 1 10 WASHER secondary servo piston I 65 70 T H 400 425 4 8623362 1 29 WASHER frt servo piston 4 69 75 T H 350 4 4 8623362 1 29 WASHER front servo piston 4 I 4 229 RING SEAL PISTON TRANSMISSION FRONT SERVO ACCUMULATOR I PISTON I I NOTE The 1961 thru 1964 H4 lZ lst type rubber 0 Ring for the upper accumulator piston is no longer I available for service It is necessary to order and install one 8621977 piston aluminum ring pkg if I seal needs replacing I 1 1968 lst type See note in Group 4 228 66 68 J T 1 444 4 1372058 1 84 RING primary piston oil 4 65 75 T H 400 425 4 8623131 1 1 35 RING senro piston oil 4 4 I 65 75 T H 400 425 4 4 8623653 I 77 RING accumulator piston oil 44 Z 69 75 T H 350 4 4 6261322 1 26 RING direct clutch accum4 piston retg 72 75 T H 375 4 8623131 1 1 35 RING senxo piston oil 4 4 72 75 T H 375 4 44 8623653 1 77 RING accumulator piston oil 64 69 J T 4 4 1356964 1 1 55 SEAL secondary piston 4 I 69 74 T H 350 6281150 1 79 SEAL direct clutch accum piston 74 75 T H 350 4 4 6260320 I 78 SEAL inter servo piston 4 69 75 T H 350 44 338926 1 37 SEAL inter4 clutch accum piston cover 1 GIVI PARTS DIVISION GENERAL MOTORS CORPORATION OLDSMOBILE 30 t REV 5 80 442 4 226 4 229