I I AUTOMATIC TRANSMISSION 4 4 279 I LEVER LINK Transmission Detent I A I I 85 89 M1 MD8 8642243 1 I 1 10 LEVER I S DETENT PG4 49 703 A 90 91 LM1 MD8 8642243 1 1 10 LEVER I S DETENT PAG4 49 703 85 89 M1 MD8 8654113 1 I 46 LINK MAN VLV PG4 49 705 I I 90 91 LM1 MD8 8654113 1 46 LINK MAN VLV PG4 49 705 4 282 SEAL Range Selector I I J 85 89 M1 MD8 I 8657163 1 1 35 SEAL MAIN SHAFT PG4 49 708 I 90 91 LM1 MD8 8657163 1 A 1 35 SEAL MAIN SHAFT PG4 49 708 4 290 ACTUA I O R BRACKET Transmission Parking Brake I 85 91 M1 MD8 8642241 1 10 40 ACTUATOR PK LK PG4 49 701 I I 85 87 M1 MD8 8642626 1 8 15 BRACKET PK LK PG4 49 710 88 89 M1 MD8 I 8667574 1 I 6 95 BRACKET PK LK PG4 49 710 I I 90 91 LM1 MD8 8667574 1 6 95 BRACKET PK LK PG4 49 710 I 4 294 PAVIIL PLUG SHAFT KIT Transmission Parking Brake A A 87 88 M1 MD8 8642239 1 7 00 PAWL PK LK PG4 49 71 1 I 90 91 LM1 MD8 8620318 1 43 PLUG CUP 9 65 DIA STEEL PG4 49 713 85 89 M1 MD8 866991 1 1 1 65 SHAFT KIT W PLUG PARK BRK PAWL PG4 49 712 90 91 LM1 MD8 866991 1 1 1 65 SHAFT KIT W PLUG PARK BRK PAWL A PG4 49 712 A 4 295 SPRING Transmission Parking Brake 85 89 M1 MD8 A 8642193 1 27 SPRING PK PAWL RTN PG4 49 714 90 91 LM1 MD8 8642193 1 27 SPRING PK PAWL RTN PG4 49 714 4 317 EXTENSION Transmission Case I I 85 90 M1 2 5E MD8 8667634 1 43 75 EXTENSION CASE PG4 30 36 85 87 M1 4 3N Z I MD8 8667636 1 43 75 EXTENSION CASE PG4 30 36 r I 88 89 M1 4 3Z MD8 UWB 8667636 1 43 75 EXTENSION CASE PG4 30 36 90 M1 4 3B Z MD8 A 8667636 1 43 75 EXTENSION CASE PG4 30 36 4 318 SEAL SLEEVE Rear Bearing Retaining Y I 85 91 M1 MD8 1358899 1 1 25 SEAL EXT TO CASE PG4 30 35 85 91 M1 MD8 3764601 1 43 SEAL OUTPUT SHAFT PG4 37 691 85 90 M1 MD8 3932255 1 N L SEAL EXT OIL PG4 9 19 85 91 M1 MD8 1 8654063 1 2 40 SLEEVE OUTPUT SHAFT PG4 37 690 I A 4 319 BUSHING Rear Mainshaft I I I A I 85 91 M1 6260048 1 A 1 70 BUSHING EXT PG4 3 680 4 329 ROTOR SENSOR Speedometer Driven Gear I A NOTE FOR SPEEDO GEAR USAGE APPLICATION SEE CHART IN GROUP 4 450 NOTE ADAPTERS SHOULD BE STAMPED WITH RATIO CODE OR PART NUMBER I 88 M1 4 32 MD8 8663090 1 3 95 ROTOR SPEED SENSOR PG4 37 699 89 91 M1 MD8 8663090 1 3 95 ROTOR SPEED SENSOR PG4 37 699 I 90 L1 15546837 1 34 75 SENSOR TRANSFER CASE SPEED PG4 I A I 15 1 03 4 337 SENSOR Speedometer Drive NOTE MECHANICAL SPEEDO GEARS ARE NO T REQUIRED FOR ELECTRICAL VEHICLE SPEED SENSOR BUFFER REFER TO GROUP 3 682 I I NOTE REFER TO SPEEDO GEAR USAGE CHART FOR ADDITIONAL RELATED INFORMATION A 89 91 M1 M D8 A 8673299 1 31 95 SENSOR VEH SPEED PG4 31 99 4 338 RETAINER SEAI Speedometer Driven Gear NOTE FOR SPEEDO GEARS USAGE APPLICATION SEE CHART IN GROUP 4 450 85 88 M1 I 1254856 1 1 20 RETAINER SPEEDO DRIVEN GEAR SLEEVE PG4 30 40 85 91 LM1 10054241 2 I 27 SEAL VEH SPD SEN O RING PG4 30 34 85 88 M1 3869910 AR 2 35 SEAL SPEEDO PINION 85 88 M1 I I 15552872 1 38 SEAL SPEEDO DRIVEN GEAR SLEEVE PG4 30 42 4 342 CABLE Speedometer Flex I 85 88 M1 14035518 1 9 40 CABLE SPEEDO W CAS NG 88 5 IN A 4 345 CLIP Speedometer Drive Gear 88 M1 MD8 6261781 1 38 CLIP SPEEDO DRIVE GEAR PG4 9 33 1 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 452M 4 219 4 345 I 4 48 I1 91