Manual Transmission Case & Related Parts fit your 1991 GMC Jimmy

Currently shopping for

1991 GMC Jimmy

Change Vehicle

Vehicle Options

Jimmy 1/2 Ton

Vehicle Options

Jimmy 1/2 Ton

Categories Close X

Currently selected

Transmission - Manual

Other Categories

Body Mounting, Air Conditioning, Audio/Entertainment

Brakes

Brakes, Rear Axle, Propeller Shaft, Wheels, Tires

Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers

Cooling System, Grille, Oil System

Engine

Frames, Springs, Shocks, Bumpers

Front Axle, Front Suspension, Steering

Front End Sheet Metal, Heater

Fuel System, Exhaust, Emission System

Maintenance Parts, Fluids, Capacities, Electrical Connectors

Rear Body Structure, Moldings & Trim, Cargo Stowage

Starter, Generator, Ignition, Electrical, Lamps

Transfer Case

Transmission - Automatic

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

VENT, Transmission Case

25892279
VENT, TRANS(4.510)
$4.33 $2.73
5
Add To Cart
8652580
VENT, TRANS

12471606
BEARING, Transmission Countershaft Gear, BEARING, COUNTER GEAR FRONT (5.855)(1987-91)(*KIT2)
$14.39 $8.03

12547312
COVER, Transmission Power Take-Off, COVER, POWER TAKE OFF (2 REQUIRED)
$17.07 $10.31
1
Add To Cart

12337932
GASKET, Transmission Main Drive Gear Bearing Retainer, GASKET, MAIN DRIVE GEAR BEARING RETAINER(*KIT1,KIT2)

HUB, Transmission Synchronizer

3901164
HUB, 3RD & 4TH SPEED CLUTCH
$135.23 $49.28
1
Add To Cart
3946776
HUB, 1ST & 2ND SPEED CLUTCH

9422666
BEARING, Transmission Mainshaft Front Pilot to Main Drive Gear, BEARING, MAIN SHAFT PILOT ROLLER (17 REQUIRED)(*KIT2)

3932253
BUSHING, Transmission Second Speed Gear, BUSHING, 2ND SPEED GEAR
$50.15 $24.87
1
Add To Cart

3932274
BUSHING, Transmission Main Shaft Gear Retaining, BUSHING,3RD GEAR
$72.59 $35.98
1
Add To Cart

TRANSMISSION KIT, Transmission Overhaul

8672987
TRANSMISSION KIT, MANUAL(SERVICE OVERHAUL)(1985-89)(INCLUDE ITEMS #2,5-7,16,22-24,29-31,33,34,38,41-44,46-48,55,65)
$418.97 $262.69
1
Add To Cart
8672987
TRANSMISSION KIT, MANUAL(SERVICE OVERHAUL)(1990-91)(INCLUDE ITEMS #2,5-7,11,16,22-24,29-31,33,34,38,41-44,46-48,55,65)
$418.97 $262.69
1
Add To Cart

3866358
KEY, Transmission Synchronizer, KEY, 1ST & 2ND,3RD & 4TH SPEED CLUTCH (6 REQUIRED)(*KIT2)

3950367
RING, Transmission Synchronizer, RING, 2ND SPEED GEAR SYNCHRONIZER

12471607
MAGNET, Transmission Case, MAGNET, TRANS CHIP COLLECTOR
$13.57 $8.20
1
Add To Cart

15595878
SEAL, Transmission Rear Main Bearing, SEAL, U JOINT, FRONT FLANGE(MANUAL TRANSMISSION(M20))(*KIT1)
$16.90 $12.60
1
Add To Cart

23046538
WHEEL, Speedometer Drive, WHEEL,VEHICLE SPEED SENSOR RELUCTOR(M20)
$53.68
1
Add To Cart

336978
BOLT, Transmission Power Take-Off, BOLT, POWER TAKE OFF COVER (12 REQUIRED)
$23.25
1
Add To Cart

SPRING, Transmission Synchronizer

3866359
SPRING, 3RD & 4TH SPEED CLUTCH KEY (2 REQUIRED)(*KIT2)
$12.60
1
Add To Cart
3866646
SPRING, 1ST & 2ND SPEED CLUTCH KEY FRONT & REAR (2 REQUIRED)(*KIT2)

3901161
GEAR, Transmission Third & Fourth Gear, GEAR, 3RD SPEED
$272.83 $135.30
1
Add To Cart

3901165
CLUTCH, Transmission Synchronizer, CLUTCH, 3RD & 4TH SPEED
$207.81 $75.71
1
Add To Cart

3920784
BOLT, Transmission Main Drive Gear Bearing(Clutch), BOLT, W/LOCK WASHER, MAIN DRIVE GEAR BEARING RETAINER (4 REQUIRED)
$12.60
1
Add To Cart

3993036
CONE, CONE, 3RD & 4TH SPEED GEAR SYNCHRONIZER (2 REQUIRED)
$82.84 $41.09
1
Add To Cart

BEARING, Transmission Main Drive Gear(Clutch)

8672405
BEARING, W/SLINGER, MAIN DRIVE GEAR (INCLUDE ITEMS #42,44)(1990 2ND DESIGN,1991)(*KIT2)
$148.85 $54.24
1
Add To Cart
8672061
BEARING, W/SLINGER, MAIN DRIVE GEAR (INCLUDE ITEMS #42,44)(1988-89,1990 1ST DESIGN)(*KIT2)
8672061
BEARING, W/SLINGER, MAIN DRIVE GEAR (INCLUDE ITEMS #42,44)(1985-86)(*KIT2)

BEARING

8672404
BEARING, MAIN SHAFT REAR(*KIT2)
$147.31 $92.54
1
Add To Cart
8672404
BEARING, COUNTER GEAR REAR(*KIT2)
$147.31 $92.54
1
Add To Cart

RING, Transmission Countershaft Gear

12337982
RING, CLUTCH COUNTER GEAR RETAINING(*KIT2)
2600236
RING, COUNTER GEAR REAR BEARING RETAINING(*KIT2)
3866346
RING, COUNTER GEAR RETAINING(*KIT2)

12338118
SLINGER, Transmission Main Drive Gear Bearing, SLINGER, MAIN DRIVE GEAR BEARING OIL (ALSO PART OF ITEM #43)(*KIT2)

12388448
NUT, NUT, SPECIAL BEARING (1 9/16-18)(4 SLOTS)(ROUND)

14020811
SPACER, SPACER, COUNTER GEAR (1.56 INCH LONG)

SHAFT, Transmission Mainshaft

14020859
SHAFT, MAIN (32 TEETH OUTPUT)(K/V)
3932265
SHAFT, MAIN (35 TEETH OUTPUT)(CROSS RECESS)

GEAR, Transmission Countershaft

14053671
GEAR, COUNTER
3968038
GEAR, 3RD SPEED COUNTER

143195
PLUG, Gearshift Detent, PLUG, EXPANSION (1" TYPE A)(AS REQUIRED)

15592255
SHAFT, Gear Shifter, SHAFT, TRANS 1ST & 2ND SHIFT FORK

15592256
SHAFT, SHAFT, TRANS 3RD & 4TH SHIFT FORK

ADAPTER, Transfer Case

15597792
ADAPTER, TRANSFER CASE (K3/V3)
15597793
ADAPTER, TRANSFER CASE (K1,2/V1,2)

19108029
SENSOR, Computer Control Sensors, SENSOR, TRANS SPEED(M20)

2059927
BOLT, Transmission Case, BOLT, ADAPTER TO TRANS (8 REQUIRED)

2059927
BOLT, Transmission Case Extension, BOLT, TRANS COVER (8 REQUIRED)

RING, Transmission Rear Bearing and Mainshaft

2600236
RING, MAIN SHAFT REAR BEARING RETAINING
3866655
RING, MAIN DRIVE GEAR BEARING RETAINING (3.7 INCH DIAMETER)(ALSO PART OF ITEM #43)(*KIT2)

335366
WASHER, Transmission Rear Bearing and Mainshaft, WASHER, MAIN SHAFT BEARING LOCK(*KIT2)

3727182
RETAINER, Transmission Shift Shaft Detent, RETAINER, TRANS REVERSE SHIFT FORK PLUNGER

3830575
NUT, Transmission/Propshaft, NUT, U JOINT, FRONT FLANGE LOCK(M20)

3864968
PLUNGER, Transmission Shift Shaft Detent, PLUNGER, TRANS REVERSE SHIFT FORK

3866347
CAP, Transmission Countershaft Gear, CAP, COUNTER GEAR FRONT BEARING

FORK

3901137
FORK, TRANS 1ST & 2ND SHIFT
3901138
FORK, TRANS 3RD & 4TH SHIFT

3901139
PIN, Transmission Internal Shift, PIN, SHIFT INTERLOCK

GEAR

3901141
GEAR, W/BUSHING, REVERSE IDLER
3901158
GEAR, 2ND SPEED
3901170
GEAR, REVERSE
8672408
GEAR, MAIN DRIVE (17 TEETH)

3901144
SHAFT, Transmission Reverse Idler, SHAFT, REVERSE IDLER

RING

3901152
RING, MAIN DRIVE GEAR RETAINING (2 INCH DIAMETER)(*KIT2)
3901166
RING, 3RD & 4TH SPEED CLUTCH HUB RETAINING(*KIT2)
3901166
RING, MAIN DRIVE GEAR PILOT BEARING RETAINER OIL(*KIT2)

3901153
WASHER, Transmission Countershaft Gear Bearing, WASHER, COUNTER GEAR THRUST(*KIT2)

3901178
RETAINER, Transmission Main Drive Gear Bearing(Clutch), RETAINER,TRANS MAIN DRIVE GEAR BEARING

3915056
FLANGE, Universal Joint and Power Divider, FLANGE, U JOINT, FRONT (TYPE M)(35 SPLINES)(MANUAL TRANSMISSION(M20))

3932267
WASHER, WASHER, 3RD SPEED GEAR THRUST

3952668
COVER, Transmission Case, COVER, TRANS

SPRING, Transmission Internal Shift

3978731
SPRING, TRANS REVERSE SHIFT FORK
551946
SPRING, TRANS REVERSE SHIFT LEVER DETENT BALL (3 REQUIRED)

3987937
SEAL, SEAL, MAIN DRIVE GEAR BEARING OIL(*KIT1,KIT2)

PIN, Auxiliary Internal Shift

456587
PIN, TRANS SHIFT LEVER PIVOT
456587
PIN, TRANS SHIFT LEVER PIVOT (5/16X3/4)(AS REQUIRED)

465450
WASHER, Transmission First/Reverse Gear, WASHER, 1ST SPEED GEAR THRUST(*KIT2)

465451
CASE, Transmission Case, CASE, W/MAGNET & PLUGS

465455
BUSHING, BUSHING, 1ST SPEED GEAR

476766
GEAR, Transmission First/Reverse Gear, GEAR, W/PINION, 1ST SPEED

GASKET

8672160
GASKET, ADAPTER TO TRANS(*KIT1)
8672187
GASKET, TRANS COVER(*KIT1)

8672162
GASKET, Transmission Countershaft Gear Bearing, GASKET, COUNTER GEAR FRONT BEARING CAP(*KIT1)

8672163
GASKET, Transmission Power Take-Off, GASKET, POWER TAKE OFF COVER (2 REQUIRED)(*KIT1,KIT2)

FORK, Transmission Internal Shift

8672666
FORK, TRANS REVERSE SHIFT (1990-91)
8672666
FORK, TRANS REVERSE SHIFT (1985-89)

GASKET KIT

8672945
GASKET KIT, W/SEALS (INCLUDE ITEMS #33,34,38,54,56,59)
8672945
GASKET KIT, TRANS W/SEALS (INCLUDE ITEM #5)

9438486
SCREW, SCREW, PAN HEAD SLOTTED (#10-24X3/8)(AS REQUIRED)

12338111
PIN, SPRING (3/16X1 1/8, STAINLESS STEEL)(AS REQUIRED)
$3.93 $2.63
10
Add To Cart

444746
PLUG, SQUARE HEAD FILL & DRAIN (1/2-14)(AS REQUIRED)(*KIT2)
$8.62 $5.45
1
Add To Cart

7826284
BALL, STEEL (3/8)(AS REQUIRED)

141242
PIN, DOWEL (3/8X7/8)

141242
PIN, DOWEL (3/8X7/8)(AS REQUIRED)

3968034
PLUG, MAGNETIC PIPE

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1991 GMC Jimmy parts. Parts like Manual Transmission Case & Related Parts 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 5.7L, 8 Cyl 6.2L Diesel. Model Code: 1/2 TON.