3 SPEED MANUAL TRANSMISSION 4 107 SEAL Gearshift Cover to Shaft 85 86 G1 2 3 M62 M64 6255517 I 1 39 SEAL TRANS 1ST REV SHIFT SHAFT PG4 3 51 87 G1 2 M62 M64 3831716 1 1 25 SEAL TRANS 2ND 3RD SHIFT SHAFT PG4 3 55 87 G1 2 M62 M64 6255517 1 39 SEAL TRANS IST REV SHIFT SHAFT PG4 3 51 4 109 GASKET Transmission Cover 85 86 G1 2 3 M62 M63 M64 3858990 1 81 GASKET TRANS COVER 87 G1 2 M62 M64 10181246 1 1 67 GASKET TRANS COVER PG4 3 60 87 G1 2 I62 M64 10181246 1 1 67 GASKET CVR PG4 3 60 4 133 INDICATOR Transmission Oil Fill 87 90 G1 2 3 4 3Z LB4 5 0H L03 5 7K L05 A TRNS M40 15677056 1 INDICATOR TRANS FLUID LVL 4 303 FORK Transmission Gearshift 85 86 G1 2 3 M62 M63 M64 3858997 2 16 80 FORK TRANS SHIFT 1ST REV 2ND 3RD PG4 3 45 87 G1 2 3 M62 M64 3858997 2 16 80 FORK TRANS SHIFT 1ST REV 2ND 3RD PG4 3 45 4 309 SHAFT Gear Shifter 85 86 G1 305H IVI62 14066998 1 25 25 SHAFT TRANS 2ND 81 3RD PG4 3 59 85 86 G1 2 3 M62 M64 3950472 1 18 85 SHAFT TRANS 1ST 81 REV SHIFT PG4 3 47 85 86 G1 2 3 M64 3952649 1 18 85 SHAFT TRANS 2ND 3RD SHIFT PG4 5 59 87 G1 M62 14066998 1 25 25 SHAFT TRANS 2ND 3RD PG4 3 59 87 G1 2 M62 M64 3950472 1 18 85 SHAFT TRANS 1ST REV SHIFT PG4 3 47 87 G1 2 M64 3952649 1 18 85 SHAFT TRANS 2ND 3RD SHIFT PG4 5 59 4 311 CAM PIN SPRING Transmission Shift Shaft Detent 85 86 G1 2 3 M62 M63 M64 346399 2 3 00 CAM TRANS DETENT PG4 3 57 87 G1 2 M62 M64 346399 2 3 00 CAM TRANS DETENT PG4 3 57 85 86 G1 2 3 M62 M63 M64 3831715 1 45 PIN TRANS DETENT CAM RET PG4 3 48 87 G1 2 M62 M64 3831715 1 45 PIN TRANS DETENT CAM RET PG4 3 48 85 86 G1 2 3 M62 M63 M64 3831718 1 45 SPRING TRANS DETENT CAM PG4 3 58 T 87 G1 2 M62 M64 3831718 1 45 SPRING TRANS DETENT CAM PG4 3 58 4 317 EXTENSION STUD Transmission Extension 85 86 G1 2 3 M62 M64 14056631 1 80 25 EXTENSION TRANS PG4 3 14 87 G1 2 M62 M64 14056631 1 80 25 EXTENSION TRANS PG4 3 14 85 86 G1 2 3 M62 M64 14056633 2 1 35 STUD EXT PG4 3 17 87 G1 2 M62 M64 14056633 2 1 35 STUD EXT PG4 3 17 4 318 GASKET SEAL Transmission Rear Main Bearing 85 86 G1 2 3 M62 M63 M64 3876752 1 39 GASKET EXT PG4 3 13 87 G1 2 M62 M64 3876752 1 39 GASKET EXT PG4 3 13 85 86 G1 2 3 3932255 1 N L SEAL EXT OIL PG4 3 19 87 G1 2 3932255 1 N L SEAL EXT OIL PG4 3 19 4 319 BUSHING Transmission Extension 85 86 G1 2 3 6260048 1 1 70 BUSHING TRANS EXT PG4 3 18 4 338 RING SEAL Speedometer Driven Gear NOTE FOR SPEEDO GEAR USAGE APPL CAT ON SEE CHART IN GROUP 4 450 85 87 G1 2 3 1361618 1 40 RING OIL SEAL RET PG4 16 53 85 87 G1 2 3 1240382 1 81 SEAL SPEEDO DRIVEN GEAR PG4 15 42 85 87 G1 2 3 3869910 1 2 35 SEAL SPEEDO PINION 4 342 CABLE Transmission to Speedometer 85 87 G1 2 3 25033510 1 28 50 CABLE SPEEDO FLEX W CASING 2875MM 4 345 CLIP Speedometer Drive Gear 85 87 G1 2 3 6261781 1 38 CLIP SPEEDO DRIVE GEAR PG4 3 33 4 351 GEAR Transmission Main Drive CIutch 85 86 G1 305F M 35OL M62 M63 3859030 1 157 00 GEAR MAIN DR 19 TEETH PG4 3 5 85 86 G1 2 3 4 3N M64 340621 1 157 00 GEAR MAIN DR 16 TEETH PG4 5 5 87 G1 M62 3859030 1 157 00 GEAR MAIN DR 19 TEETH PG4 3 5 t jY 1991 GENERAL MOTORS SERVICE PARTS 0PERAT ONS LT TRUCK 52G i 4 107 4 351 4 16 1 91