I AUTOMATIC TRANSMISSION I 4 294 PA VL P LUG SHAFT SHAFT KIT Transmission Parking Brake l on t 87 S1 MD2 u 8958728 1 19 40 PAWL PK LK 82 85 S1 MV9 8620318 1 43 PLUG CUP 9 65 DIA STEEL PG4 87 712 90 ST1 MD8 V 8620318 1 43 PLUG CUP 9 65 DIA STEEL PG4 87 712 82 84 S1 MV9 8628084 1 2 15 SHAFT W PLUG PK BRK PAWL PG4 87 71 1 82 83 S1 MV9 8628940 1 2 20 SHAFT W PLUG PIN PK BRK PG4 87 71 1 83 90 ST1 MD8 8669911 1 1 65 SHAFT KIT W PLUG PARK BRK PAWL PG4 71 712 4 295 SPRING Transmission Parking Brake 82 84 S1 MV9 8628337 1 1 90 SPRING PK PAWL RTN PG4 87 714 83 90 ST1 MD8 8642193 1 27 SPRING PK PAWL RTN PG4 71 714 I 4 317 EXTENSION Transmission Case A 83 90 S1 MD8 8667634 1 43 75 I EXTENSION CASE PG4 54 36 4 318 SEAL SLEEVE Rear Bearing Retaining 82 84 S1 MV9 3932255 1 N L SEAL EXT OIL PG4 7 24 83 90 S1 MD8 1358899 1 1 25 SEAL EXT TO CASE PG4 54 35 83 87 S1 MD8 3932255 1 N L SEAL EXT OIL PG4 7 24 87 90 T1 4 3Z LB4 A TRNS MD8 3932255 1 N L SEAL TRANS EXTENSION OIL PG4 7 24 88 90 ST1 A TRNS MD8 3932255 1 N L SEAL TRANS EXTENSION OIL PG4 7 24 83 84 S1 MD8 8654063 1 2 40 SLEEVE OUTPUT SHAFT PG4 61 690 4 319 BUSHING Rear Mainshaft 82 84 S1 MV9 6260048 1 1 70 BUSHING CASE RR PG4 29 103 83 90 S1 MD8 6260048 1 1 70 BUSHING EXT PG4 29 103 88 T1 4 3Z MD8 6260048 1 1 70 BUSHING EXT PG4 29 103 4 329 ROTOR SPEEDO Speedometer Driven Gear I NOTE FORSPEEDO GEAR USAGE APPLICATION SEE CHART IN GROUP 4 450 NOTE ADAPTERS SHOULD BE STAMPED WITH RATIO CODE OR PART NUMBER I 89 90 S1 MD8 8663090 1 3 95 ROTOR SPEED SENSOR PG4 61 699 f 89 90 T1 TYPE 231C PART TIME 15580221 1 12 10 SPEEDO TONE WHEEL PG4 95 11 4 330 KEY Speedometer Gear I 82 88 ST1 474299 1 2 75 KEY SPEEDO DRIVEN GEAR ADAPTER 4 337 SENSOR Speedometer Drive NOTE MECHANICAL SPEEDO GEARS ARE NOT REOU RED FOR ELECTRICAL VEHICLE SPEED SENSOR BUFFER REFER TO GROUP 3 682 NOTE EFFECTIVE 1989 MECHANICAL SPEEDO GEARS ARE NOT REQUIRED FOR ELECTRICAL VEHICLESPEED SENSOR BUFFER REFER TO GROUP 3 682 88 90 T1 TYPE 231C PART TIME 15547452 1 57 25 SENSOR VEH SPEED PG4 95 9 89 90 S1 MD8 8673299 1 31 95 SENSOR VEH SPEED PG4 55 100 4 338 RETAINER RING SEAL Speedometer Driven Gear NOTE FOR SPEEDO GEARS USAGE APPLICATION SEE CHART IN GROUP 4 450 82 S1 2 8B 1254856 1 1 20 RETAINER SPEEDO DRIVEN GEAR f A SLEEVE PG4 54 40 82 84 ST1 3708148 1 45 RETAINER SPEEDO DRIVEN GR FTG PG4 75 47 83 89 S1 MD8 1254856 1 1 20 RETAINER SPEEDO DRIVEN GEAR SLEEVE PG4 54 40 85 86 T1 3708148 1 45 RETAINER SPEEDO DRIVEN GEAR FTG PG4 75 47 82 88 ST1 1361618 AR 40 RING OIL SEAL RET PG4 54 53 82 S1 2 8B MV9 15552872 1 38 SEAL SPEEDO DRIVEN GEAR SLEEVE PG4 54 42 82 88 ST1 1240382 AR 81 SEAL SPEEDO DRIVEN GEAR 82 88 ST1 3869910 AR 2 35 SEAL SPEEDO PINION 83 88 S1 MD8 15552872 1 38 SEAL SPEEDO DRIVEN GEAR SLEEVE PG4 54 42 I 4 342 CABLE CLIP Speedometer Flex 82 S1 CRUISE CONT 6480373 1 N L CABLE SPEEDO FLEX LWR W CASING 1525MM 82 S1 CRUISE CONT 25032869 1 N L CABLE SPEEDO FLEX UPR W CASING 1075MM I 82 S1 MV9 EXC CRUISE CONT 25033161 1 N L CABLE SPEEDOFLEX W CASING 1750MM 83 84 S1 MV9 25033161 1 N L CABLE SPEEDO FLEX W CASING 1700MM I I 1990 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 528 i REV 10 90 4 61 4 294 4 342