13 SPEED TRANSMISSION GMPD GMC N w Q2 TRANSMISSION See GMPD Group 4 505 GMC Group 17 5200 for Auxiliary Section 4 003 17 0010D BEARING MAIN DRIVE GEAR 4 355 17 1110D BEARING REVERSE IDLER GEAR 4 431 17 1680D CAP MAIN DRIVE GEAR BEARING 4 356 17 1130D CAP MAINSHAFT REAR BEARING 4 412 17 0490D CASE TRANSMISSION 4 103 17 0330D COUNTERSHAFT TRANSMISSION 4 428 17 1320D DRNE GEAR MAIN 4 351 17 1100D FORK SHIFT 1ST AND REVERSE SPEED 4 303 17 1940D GASKET SET TRANSMISSION 4 005 17 0020D GEAR COUNTERSHAFT DRIVE 4 421 17 1390D GEAR MAIN DRIVE 4 351 17 1100D GEAR MAINSHAFT 1ST SPEED 4 417 17 0619D GEAR REVERSE IDLER 4 430 17 1670D KEY OOUNTERSHAFT GEAR 4 429 17 1470D KEY MAINSHAFT GEAR 4 384 17 0B10D MAINSHAFT TRANSMISSION 4 403 17 0460D ROD SHIFT 1ST AND REVERSE 4 309 17 2010D SHAFT MAIN DRIVE GEAR 4 351 17 1253D SHAFT REVERSE IDLER GEAR 4 433 17 1750D SHIFT FORK 1ST AND REVERSE SPEED 4 303 17 1940D SHIFT ROD 1ST AND REVERSE 4 309 17 2010D WASHER MAINSHAFT GEAR 4 416 17 1080D 4 51