4 3 SPEED MANUAL TRANSMISSION K 4 354 SEAL Main Drive Gear Bearing Oil Retaining 85 86 C1 M62 M64 3987936 1 3 45 SEAL MAIN DR GR BRG OIL 87 R1 M64 3987936 I 3 45 VSEAL MAIN DR GR BRG OIL V 4 355 BEARING Transmission Main Drive Gear 85 86 C1 M62 M64 907929 I N L BEARING MAIN DR GR L j 87 R1 M64 907929 1 N L BEARING MAIN DR GR 4 356 RETAINER Transmission Main Drive Gear Bearing 85 86 C1 M62 M64 n 3920738 I 23 55 RETAINER MAIN DR GEAR BRG 4 358 GASKET Transmission Main Drive Gear Bearing Retainer 85 86 C1 M62 M64 3916113 I 74 GASKET MAIN DR GR BRG RET 4 376 RING Transmission Main Drive Gear Bearing 85 86 C1 M62 M64 590849 I 74 RING MAIN DR GR BRG LOC 85 86 C1 M62 M64 3709351 1 45 RING CLU GR BRG RET 87 R1 M64 590849 I 74 RING MAIN DR GR BRG LOC 87 R1 M64 3709351 1 45 RING CLU GR BRG RET x 4 380 SYNCHRONIZER Transmission Synchronizing 85 86 C1 M62 M64 E 1 4094866 2 N L SYNCHRONIZER 1ST REV 2ND 3RD 4 383 RING Transmission Synchronizing 85 86 C1 M62 M64 3859027 3 N L RING SYN BLOCKING 4 384 KEY RING Transmission Synchronizing NOTE I IST DES IDENT BY KEY HEIGHT OF 1870 AT CENTERL NE 2ND BY KEY HEIGHT OF 2040 AT CENTERLINE I 85 C1 M62 M64 1ST DES 3871250 6 1 20 KEY IST REV 2ND 3RD SYN NOTE 1 85 C1 M62 M64 2ND DES 14094870 6 68 KEY IST REV 2ND 3RD SYN NOTE I 1 86 CI M62 M64 14094870 6 68 KEY 1ST REV 2ND 3RD SYN 87 R1 M64 14094870 6 68 KEY 1ST REV 2ND 3RD SYN 85 86 CI M62 M64 3859025 2 45 RING SYN RET 4 395 GEAR Transmission Second Speed 85 86 C1 305F H 350L M62 M63 3859019 I 67 25 GEAR 2ND SPEED A 85 86 C1 4 3N M64 14073720 1 70 25 GEAR 2ND SPEED 87 R1 M64 14073720 I 70 25 GEAR 2ND SPEED 4 403 SHAFT Transmission Main 85 86 C1 M62 M64 468253 1 107 00 SHAFT MAIN 4 408 BEARING Transmission Rear I 85 86 C1 M62 M64 EXC TREMAC 907763 1 N L BEARING MAINSHAFT 4 412 RING Transmission Rear Bearing and Mainshaft 85 86 C1 M62 M64 3707174 I 75 RING RR BRG LOC 85 86 C1 M62 M64 3707189 1 45 RING MAIN SHAFT RR RET 87 R1 M64 3707174 I 75 RING RR BRG LOC 4 413 SPRING Transmission Synchronizing 85 86 CI M62 M64 368055 4 70 SPRING SYN 1ST AND REV 2ND AND 3RD 87 R1 M64 368055 4 70 SPRING SYN 1ST AND REV 2ND AND 3RD 4 41 7 GEAR Transmission Ist and Reverse Sliding 85 86 C1 M62 M64 3859014 I 65 75 GEAR IST SPD 85 86 C1 M62 M64 3859015 1 50 75 GEAR REV 87 R1 M64 I 3859014 I 65 75 GEAR IST SPD 87 RI M64 3859015 I 50 75 GEAR REV 4 419 WASH ER Transmission Reverse Gear Thrust 85 86 C1 M62 M64 3869940 I 82 WASHER REV GR THRUST 13 16 I D X2I3 32 0 D 85 86 C1 M62 M64 3884595 I 45 WASHER REV GR THRUST WAVED 17 32 D X 1 27 32 O D V 87 R1 M64 3869940 1 82 WASHER REV GR THRUST I3 16 I D X213 32 0 D 87 R1 M64 3884595 1 45 WASHER REV GR THRUST WAVED 17 32 D X 1 27 32 O D i 1988 GENERAL MOTORS SERVICE PARTS 0PERATIONS LTTRUCK 52R 4 354 4 419 4 4 REV 1 88