Part No. & Part Description
Price & Qty.
Part No. &
Part Description
BEARING, Transmission Countergear
HUB, Transmission Synchronizer
OVERHAUL KIT, Transmission Overhaul
8672987OVERHAUL KIT, TRANS (1990)(INCLUDE ITEMS #2,5-6,7,11,16,22-24,29-31,33,38,41-44,46-48,55)
8672987OVERHAUL KIT, (INCLUDE ITEMS #2,5-7,11,16,22-24,29-31,33,38,41-44,46-48,55)
RING, Transmission Synchronizer
SPRING, Transmission Synchronizer
BEARING, Transmission Main Drive Gear(Clutch)
RING, Transmission Countergear
GEAR, Transmission Countershaft
SHAFT, Transmission Internal Shift Shaft
RING, Transmission Countershaft Gear
2600236RING, COUNTER GEAR REAR BEARING RETAINING(*KIT2)
RING, Transmission Main Drive Gear Bearing(Clutch)
3866655RING, MAIN DRIVE GEAR BEARING RETAINING (3.7 IN. DIAMETER)(*KIT2)
3901152RING, MAIN DRIVE GEAR BEARING RETAINING (2.0 IN. DIAMETER)(*KIT2)
3901166RING, MAIN DRIVE GEAR ROLLER BEARING RETAINER OIL(*KIT2)
FORK, Transmission Internal Shift
GEAR, Transmission First/Reverse Gear
SPRING, Transmission Internal Shift
551946SPRING, TRANS REVERSE SHIFT LEVER DETENT BALL (3 REQUIRED)
GEAR, Transmission Main Drive(Clutch)
8672408GEAR, TRANS CLUTCH(17 TEETH)(1985-89)(1990 1ST DESIGN)(MUST ALSO REPLACE BEARING W/08672405 & DISCARD OIL SLINGER)
8672408GEAR, MAIN DRIVE (17 TEETH)(1990 2ND DESIGN)(*01)
GASKET KIT, Transmission Overhaul
Standard Parts
11561048BOLT, HEXAGON W/FLAT WASHER-3/8-16X.625,.82 OUTSIDE DIAMETER,GM275 STEEL, GMW3200 FINISH(BOLT, HEX FLANGED HEAD (3/8-16X5/8, 280M PHOSPHATE ORGANIC)(AS REQUIRED))(AS REQUIRED)
12338111PIN, SPRING (3/16X1 1/8 STAINLESS STEEL, TYPE A)(AS REQUIRED)
444746PLUG, SQUARE HEAD FILL & DRAIN (.500-14)(AS REQUIRED)(*KIT2)
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1985
GMC P2500 parts. Parts like Manual Transmission are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel. Model Code: CHASSIS 3/4 TON DELIVERY.