IGM CHEVROLET I 1962 65 POWERGLtDE ALUMINUM TRANSMISSION OIL PUMPS AND CASE NOTE USED ON 1962 MODELS WITH 327 ENGINE ONLY Key Description Part No Qty Group Key Description Part No Qty Group 1 Seal Assy Extension Oi1 1962 63 3746213 1 4 318 1963 with 327 Eng 3823410 1 4 137 1964 65 3748353 1 4 318 1964 with 230 Eng First Jobs 2 Bushing Extension 3786292 1 4 408 1 08 Thick 3845857 1 4 137 3 Extension Bushing Assy 1964 with 230 Eng After Jobs 1962 3789079 1 4 317 0 90 Thick 3845855 1 4 137 1963 with Console 3827143 1 4 317 1964 65 with 283 Eng 3845855 1 4 137 1963 Exc Console 3789079 1 4 317 1964 65 with 327 409 Eng 3845856 1 4 137 1964 3789079 1 4 317 1965 with 230 Eng 3845857 1 4 137 1965 3864431 1 4 317 20 Plate Reverse Clutch Drive 3832386 AR 4 163 4 Gear Speedometer Driven 21 Gear Reverse Ring 1962 19 Teeth Natural 3813088 1 4 337 1962 63 with 327 Eng 3789060 1 4 187 1963 64 18 Teeth Brown 3777083 1 4 337 1963 64 with 230 8 283 Eng 3790168 1 4 187 1963 64 19 Teeth Natural 3813088 1 4 337 1964 with 327 8 409 Eng 3843441 1 4 187 1963 64 20 Teeth Blue 3777053 1 4 337 1965 with 230 Eng With Taxi 1963 64 21 Teeth Red 3777052 1 4 337 or Police or HD Trans 3790168 1 4 187 1963 64 22 Teeth Green 3775590 1 4 337 1965 with 230 Eng Exc Taxi 1965 18 Teeth Brown 3860341 1 4 337 or Police or HD Trans 3843441 1 4 187 1965 19 Teeth Natural 3860342 1 4 337 1965 with 283 327 8 409 Eng 3843441 1 4 187 1965 20 Teeth Blue 3860343 1 4 337 22 Ring Reverse Clutch Pack Snap 3796576 1 4 138 1965 21 Teeth Red 3860344 1 4 337 23 Plate Reverse Clutch Pressure 6257025 1 4 163 5 Retainer Speedometer Driven Gear 24 Plate Reverse Clutch Driven 1962 63 6256553 AR 4 163 Fitting 3708148 1 4 338 NOTE For 1964 65 Use Reverse 6 Bolt 1 4 20x S S 1 8 900 Clutch Reaction Plate 7 Seal Speedometer Driven Gear 25 Plate Reverse Clutch Reaction Fitting O Ring 3708146 1 4 338 1962 65 070 Thick 3799210 AR 4 163 8 Fitting Speedometer Driven Gear 3775589 1 4 338 1962 63 102 Thick 3799212 1 4 163 9 Seal Rear Oil Pump 3789056 1 4 203 1962 63 134 Thick 3799214 1 4 163 10 Gear Speedometer Drive 26 Spring Reverse Clutch Cushion 1962 3708144 1 4 343 1963 3792482 1 4 164 1963 11 39 47 69 with 230 1964 65 3845858 1 4 164 283 Eng with 7 OOx14 Tires 8 27 Bearing Output Shaft Needle Thrust 3742922 1 4 115 a 3 55 Axle Ratio 3708145 1 4 343 28 Seat Reverse Clutch Piston Retain 1963 11 39 47 69 with 230 ing Spring 3789062 1 4 138 283 Eng Exc 7 OOx14 Tires 29 Spring Reverse Clutch Piston Return 3789061 17 4 138 a 3 55 Axle Ratio 3708144 1 4 343 30 Seal Unit Reverse Clutch Piston 3799008 1 4 137 1963 35 45 67 with 230 8 31 Spring Low Servo Piston Return 283 Eng 3708144 1 4 343 1962 65 with 327 409 Eng 3815914 1 4 228 1963 with 327 Eng 3708144 1 4 343 1963 with 230 Eng 3830235 1 4 228 1964 65 3708144 1 4 343 1963 with 283 Eng 3795173 1 4 228 11 Governor Assy Transmission 1964 65 with 230 Eng with Taxi 1962 63 3850510 1 4 256 or Police or HD Trans 3815914 1 4 228 1964 65 with 230 283 Eng 3850510 1 4 256 1964 65 with 230 Eng Exc Taxi 1964 65 with 250 HP 327 Eng or Police or HD Trans 3830235 1 4 228 Exc Hiway Police Equip 3850510 1 4 256 1964 65 with 283 Eng 3830235 1 4 228 1964 65 with 250 HP 327 Eng 32 Rod Low Servo Piston 1962 63 3789083 1 4 228 with Hiway Police Equip 3850511 1 4 256 1964 65 3846168 1 4 228 1964 65 with 300 HP 327 33 Ring Low Servo Piston 3789084 1 4 228 409 Eng 3850511 1 4 256 34 Piston Low Servo 1962 63 3789082 1 4 228 12 Part of Rear Oil Pump Assy 3818871 1 4 200 1964 65 3846173 1 4 228 13 Plate Rear Oil Pump Wear 3789055 1 4 203 35 Retainer Low Servo Piston Rod Spring 3713624 1 4 228 14 Bushing Rear Oil Pump Body 3789877 1 4 203 36 Bolt Low Servo Cover 3 e 16x a S S 3 8 900 15 Bolt Rear Pump 5 16 18x1 Ya S S 4 8 900 37 Cover Low Servo 3789085 1 4 212 16 Bolt Extension 3 s 16x13 e S S 5 8 900 38 Gasket Low Servo Cover 3789086 1 4 212 17 Bushing Case 3789009 1 4 104 39 Seal Low Servo Cover 3789087 1 4 212 18 Case Bushing Low Servo Piston 40 Spring Low Servo Piston Apply 1962 3710388 1 4 228 Unit 1962 64 3848015 1 4 103 1963 3830016 1 4 228 1965 3869187 1 4 103 1964 3846166 1 4 228 19 Piston Reverse Clutch 41 Washer Low Servo Piston Apply 1962 with 327 Eng 3789058 1 4 137 Spring Seat 3702807 1 4 228 1963 with 230 Eng 3791029 1 4 137 1963 with 283 Eng 3789058 1 4 137 S S Standard Stock