Part No. & Part Description
Price & Qty.
Part No. &
Part Description
GASKET, Transmission Main Drive Gear Bearing Retainer
BEARING, Transmission Mainshaft Center/Rear
88996720BEARING, OUTPUT SHAFT (1989 2ND DESIGN W/0CCU,1990-91)(INCLUDE 34-38)
11092971BOLT, HEXAGON SOCKET (M8X1.25X50, 12.9 PHOSPHATE ZINC ORGANIC)(AS REQUIRED)
RING, Transmission Synchronizer
23049987RING, 3RD & 4TH GEAR SYN RETAINER(44X52X1.95)(4.416)
23049988RING, 3RD & 4TH GEAR SYN RETAINER(44X52X1.90)(4.416)
23049989RING, 3RD & 4TH GEAR SYN RETAINER(44X51X1.85)(4.416)
3901166RING, 3RD & 4TH SPEED CLUTCH HUB RETAINING(*KIT2)
BEARING, Transmission Reverse Idler Gear/Shaft
HUB, Transmission Synchronizer
BEARING, Transmission Countershaft Gear
BUSHING, Transmission Shift Shaft Detent
SENSOR, Computer Control Sensors
12382860SENSOR, VEHICLE SPEED (2ND DESIGN 1989 W/TRANS CODE OCCU,1990-91)(INCLUDE 315)
24232617SENSOR, VEHICLE SPEED (1988, 1ST DESIGN 1989 W/TRANS CODE 9CCU)(INCLUDE 315)
PLUNGER, Transmission Shift Shaft Detent
SEAL, Transmission Main Drive
TRANSMISSION KIT, Transmission Overhaul
8672987TRANSMISSION KIT, MANUAL(SERVICE OVERHAUL)(1988-89)(INCLUDE 2,5-7,16,22-24,29-31,33,34,38,41-44,46-48,55,65)
8672987TRANSMISSION KIT, MANUAL(SERVICE OVERHAUL)(1990-91)(INCLUDE 2,5-7,11,16,22-24,29-31,33,34,38,41-44,46-48,55,65)
SYNCHRONIZER, Transmission Synchronizer
SHAFT, Transmission Mainshaft
PIN, Transmission Shift Shaft Detent
8672207WHEEL, VEHICLE SPEED SENSOR RELUCTOR OCCU,OKDU (1989 2ND DESIGN W/0CCU,1990-91)
23049717WHEEL, VEHICLE SPEED SENSOR RELUCTOR9CCU,9KDU (1988,1989 1ST DESIGN W/9CCU)
BEARING, Transmission Gear
8672405BEARING, W/SLINGER, MAIN DRIVE GEAR (INCLUDE 42,44)(1990 2ND DESIGN,1991)(*KIT2)
GEAR, Transmission Second Speed
SPRING, Transmission Synchronizer
3866646SPRING, 1ST & 2ND SPEED CLUTCH KEY FRONT & REAR (2 REQUIRED)(*KIT2)
GEAR, Transmission Third & Fourth Gear
BEARING, Transmission Main Drive Gear(Clutch)
8672061BEARING, W/SLINGER, MAIN DRIVE GEAR (1988-89,1990 1ST DESIGN)(*KIT2)
WASHER, Transmission Countershaft Gear
GEAR, Transmission First/Reverse Gear
GEAR, Transmission Countershaft
BEARING, Transmission Internal Shift Shaft
FORK, Transmission Internal Shift
SPRING, Transmission Interlock
SOCKET, Transmission Internal Shift
GASKET, Transmission Case
23049822PLUG, PLUG, CUP (15.15 OUTSIDE DIAMETER,5 THICK,STEEL,ZINC COATED (DIPPED OR PLATED))(AS REQUIRED)
PIN, Transmission Internal Shift
TRANSMISSION, Manual (4 Speed)
RING, Transmission Countershaft Gear
2600236RING, COUNTER GEAR REAR BEARING RETAINING(*KIT2)
RING, Transmission Rear Bearing and Mainshaft
3866655RING, MAIN DRIVE GEAR BEARING RETAINING (3.7 INCH DIAMETER)(*KIT2)
3901152RING, MAIN DRIVE GEAR RETAINING (2.0 INCH DIAMETER)(*KIT2)
274621RING, RETAINER, PINION STRADDLE BEARING LOCK (AS REQUIRED)
RING, Transmission Countergear
3866346RING, CLUTCH COUNTER GEAR RETAINING (1.450X.28X.097)(*KIT2)
GEAR, Transmission Reverse Idler
8672202GEAR, REVERSE (24T)(2ND DESIGN 1989 W/0CCU,1990)
SHAFT, Transmission Reverse Idler
8672200SHAFT, REVERSE IDLER (1989 2ND DESIGN W/0CCU,1990-91)
SPRING, Transmission Internal Shift
551946SPRING, 3RD & 4TH SHIFT LEVER DETENT BALL (AS REQUIRED)
SHAFT, Transmission Internal Shift Shaft
8672260SHAFT, 3RD & 4TH SHIFT(1989 2ND DESIGN W/0CCU,1990-91)(INCLUDE 107-109)
8672260SHAFT, 3RD & 4TH SHIFT(1988,1989 1ST DESIGN W/9CCU)(INCLUDE 107-109)
LEVER, Transmission Internal Shift
GEAR, Transmission Main Drive(Clutch)
8672408GEAR, TRANS CLUTCH(17 TEETH)(1988-89,1990 1ST DESIGN)(MUST ALSO USE 08672405 BEARING & DISCARD OIL SLINGER)
8672408GEAR, MAIN DRIVE (17 TEETH)(1990 2ND DESIGN,1991)(*01)
HOUSING, Engine Clutch Housing
RING KIT, Transmission Main Shaft Gear Retaining
HOUSING, Transmission Shift Control Shaft
8672973HOUSING, REAR (COMPLETE)(REMANUFACTURE)(1988-89)(INCLUDE #308,309,318,323)(FOR SERVICE USE REMANUFACTURE TRANSMISSION)
8672973HOUSING, COMPLETE REAR (REMANUFACTURE)(1988-89)(FOR SERVICE USE REMANUFACTURE TRANSMISSION)
9438486SCREW, SCREW, PAN HEAD SLOTTED (#10-24X3/8)(AS REQUIRED)
Standard Parts
11501033NUT, HEXAGON PRVG TORQUE (M10X1.5, 10 CADMIUM)(AS REQUIRED)
11503867BOLT, HEXAGON (M6X1X20, PHOSPHATE ZINC ORGANIC 9.8)(ALSO PART OF 237)(AS REQUIRED)
11092971BOLT, HEXAGON SOCKET (M8X1.25X50,12.9 PHOSPHATE ZINC ORGANIC)(AS REQUIRED)
11561048BOLT, HEX FLANGED HEAD (3/8-16X5/8, 280M PHOSPHATE ORGANIC)(AS REQUIRED)
11509419BOLT, HEXAGON (M10X1.5X25, 10.9 PHOSPHATE ORGANIC)(AS REQUIRED)
11509417BOLT, HEXAGON (M6X1X25, 10.9 PHOSPHATE)(ALSO PART OF 237)(AS REQUIRED)
11509589BOLT, HEXAGON,M8X1.25X16,FULL THREAD,9.8,PC(AS REQUIRED)
12338111PIN, SPRING (3/16X1 1/8, STAINLESS STEEL PLAIN)(TYPE A)(AS REQUIRED)
444746PLUG, SQUARE HEAD FILL & DRAIN (1/2-14)(AS REQUIRED)(*KIT2)
14080573PLUG, 3RD & 4TH SHIFT SHAFT HOLE(CUP)(17OD,1 THICK,5 DEEP,1010 STEEL,PC)(AS REQUIRED)
23047261BOLT, HEX FLANGED HEAD (3/8X16X3.75, 280M, PLATE STEEL)(AS REQUIRED)
23049820PLUG, (M12,3 THICK,STEEL,ZINC COATED (DIPPED OR PLATED))(AS REQUIRED)
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1989
GMC C2500 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 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel. Model Code: C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB.