Manual Transmission fit your 1991 GMC K2500

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1991 GMC K2500

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Transmission - Automatic

Parts Questions

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Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

SWITCH, Back Up Lamp

14014559
SWITCH, BACK UP SWITCH
$30.46 $16.14
1
Add To Cart
14014559
SWITCH, BACK-UP LAMP
$30.46 $16.14
1
Add To Cart
19152823
SWITCH, BACK UP LAMP
$34.97 $17.62
1
Add To Cart

BEARING, Transmission Countershaft Gear

8677696
BEARING, COUNTERSHAFT (1991)(PART OF 201)
$63.15 $38.16
1
Add To Cart
8677696
BEARING, COUNTERSHAFT (1991)(INCLUDE 202,203)
$63.15 $38.16
1
Add To Cart
9436775
BEARING, COUNTERSHAFT FRONT (K)(INCLUDE 63)
$18.75 $13.05
1
Add To Cart
12471606
BEARING, COUNTER GEAR FRONT(*KIT2)
$14.39 $8.03
12350936
BEARING, COUNTERSHAFT REAR (C)(INCLUDE 67)
12350939
BEARING, COUNTERSHAFT FRONT (C)(INCLUDE 63)

COVER, Transmission Power Take-Off

12547312
COVER, POWER TAKE OFF (2 REQUIRED)
$17.07 $10.31
1
Add To Cart
12547312
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)

SYNCHRONIZER, Transmission Synchronizer

88891103
SYNCHRONIZER, 1ST & 2ND GEAR (INCLUDE 17,21 THROUGH 26)
$90.62 $64.56
1
Add To Cart
88934829
SYNCHRONIZER, 3/4 (INCLUDE 8-12)
$251.17 $189.70
1
Add To Cart
12540300
SYNCHRONIZER, OVER DRIVE GEAR (INCLUDE 74 THROUGH 77)
12542865
SYNCHRONIZER, 3RD & 4TH GEAR (INCLUDE 36 THROUGH 9,41)

BEARING, Transmission Mainshaft Center/Rear

88996720
BEARING, OUTPUT SHAFT (1989 2ND DESIGN W/0KDU,1990-91)
$29.58 $17.87
1
Add To Cart
12544738
BEARING, PILOT
$18.74 $11.74
1
Add To Cart
9418223
BEARING, MAINSHAFT REAR

23049797
STUD, Engine Clutch Release Fork, STUD, CLUTCH FORK BALL (W/STUD)
$53.21 $32.54
1
Add To Cart

8672316
PIN, Transmission Internal Shift Shaft, PIN, ROLL(*KIT1)
$0.09 $0.06

RING, Transmission Synchronizer

12382857
RING, OVERDRIVE SYNCHRONIZER
$59.12 $37.58
1
Add To Cart
23049986
RING, 3RD & 4TH GEAR SYN RETAINER(44X52X2.0)
$9.51 $7.36
1
Add To Cart
89058652
RING, TRANS SYN RETAINER
$32.98 $19.93
1
Add To Cart
8672050
RING, SYN BLOCKING(2 REQUIRED)
$30.50 $19.38
3950367
RING, 2ND SPEED GEAR SYNCHRONIZER
15635216
RING, MAINSHAFT SYNCHRONIZER (INNER)(2 REQUIRED)
15635219
RING, MAINSHAFT SYNCHRONIZER (MIDDLE)(2 REQUIRED)
15635233
RING, 3RD GEAR RETAINING
15635274
RING, 5TH GEAR SYN RETAINER(CLUTCH GEAR RETAINING)
15637274
RING, MAINSHAFT SYNCHRONIZER (OUTER)(2 REQUIRED)
23049724
RING, 5TH & REV GEAR SYN RETAINER(52X60X2.2)
23049725
RING, 5TH & REV GEAR SYN RETAINER(52X60X2.15)
23049726
RING, 5TH & REV GEAR SYN RETAINER(52X60X2.1)
23049727
RING, 5TH & REV GEAR SYN RETAINER(52X60X2.05)
23049987
RING, 3RD & 4TH GEAR SYN RETAINER(44X52X1.95)(4.416)
23049988
RING, 3RD & 4TH GEAR SYN RETAINER(44X52X1.90)(4.416)
23049989
RING, 3RD & 4TH GEAR SYN RETAINER(44X51X1.85)(4.416)

BEARING, Transmission Clutch Gear

88996721
BEARING, INPUT SHAFT (1991)(INCLUDE 215,216,217,218)
$147.61 $53.72
1
Add To Cart
23049494
BEARING, INPUT SHAFT(1988-90)(INCLUDE 215,216,217,218)(*02)

89059625
PIPE, Transfer Case, PIPE, VENT
$12.56 $7.98
1
Add To Cart

BEARING, Transmission Reverse Idler Gear/Shaft

8672201
BEARING, NEEDLE (1989 2ND DESIGN W/0KDU,1990-91)(3 REQUIRED)
12350042
BEARING, TRANS REVERSE IDLER GEAR (2 REQUIRED)
12382905
BEARING, REVERSE GEAR
23049741
BEARING, NEEDLE (1988,1989 1ST DESIGN W/9KDU)(3 REQUIRED)

PIN, Transmission Internal Shift

2462229
PIN, SHIFT ROD INTERLOCK
15590193
PIN, SHIFT INTERLOCK (.37X.75)(AS REQUIRED)
23049829
PIN, 3RD & 4TH SHIFT INTERLOCK
2462226
PIN, 5TH SHIFT FORK(SHIFT ROD INTERLOCK (5 REQUIRED))(*KIT1,KIT2)
2462226
PIN, 5TH SHIFT FORK(OVERDRIVE SHIFT ROD)

HUB, Transmission Synchronizer

3901164
HUB, 3RD & 4TH SPEED CLUTCH
$135.23 $49.28
1
Add To Cart
12547203
HUB, 1ST & REV GEAR CLUTCH
3946776
HUB, 1ST & 2ND SPEED CLUTCH

14037974
RING, Transmission First/Reverse Gear, RING, CLUTCH GEAR RETAINING (NICKEL PLATED OR BRIGHT 15207)

BUSHING, Transmission Shift Shaft Detent

23049803
BUSHING, SHIFT SHAFT DETENT(5TH & REVERSE DETENT (ALSO PART OF 200)(2 REQUIRED)
23049803
BUSHING, SHIFT SHAFT DETENT(ALSO PART OF 200)(2 REQUIRED)

PLUG, Transmission Shift Shaft Detent

23049887
PLUG, SHIFT SHAFT DETENT
9421743
PLUG, SHIFT SHAFT DETENT
$8.46 $5.37

9422666
ROLLER, Transmission Mainshaft Center/Rear, ROLLER, MAIN SHAFT PILOT (17 REQUIRED)(*KIT2)

BEARING, Transmission Main Drive Gear(Clutch)

8672405
BEARING, W/SLINGER, MAIN DRIVE GEAR (INCLUDE 42,44)(1990 2ND DESIGN,1991)(*KIT2)
$148.85 $54.24
1
Add To Cart
8680487
BEARING, NEEDLE (1ST,2ND,REV GEARS)(3 REQUIRED)
$26.11 $16.37
1
Add To Cart
12351648
BEARING, MAIN DRIVE GEAR
15635245
BEARING, MAIN DRIVE GEAR(ALSO PART OF 92)
8672061
BEARING, W/SLINGER, MAIN DRIVE GEAR (1988-89,1990 1ST DESIGN)(*KIT2)

SENSOR, Computer Control Sensors

12382860
SENSOR, SPEED (INCLUDE "O" RING)
$81.37 $45.55
1
Add To Cart
19108029
SENSOR, TRANS SPEED

SEAL, Transmission Main Drive

23049814
SEAL, INPUT SHAFT OIL(*KIT1)
$12.60
1
Add To Cart
12386077
SEAL, MAIN DRIVE GEAR BEARING CAP(ALSO PART OF 59)
$4.06 $2.58
1
Add To Cart

MAGNET, Transmission Case

24239049
MAGNET, CASE CHIP CARRIER
$12.11 $7.68
1
Add To Cart
12471607
MAGNET, CHIP COLLECTOR
$13.57 $8.20
1
Add To Cart

PLUNGER, Transmission Shift Shaft Detent

12475440
PLUNGER, SHIFT SHAFT DETENT
$9.70 $6.17
1
Add To Cart
3864968
PLUNGER, REVERSE SHIFT FORK

SEAL, Rear Bearing Retaining

15595878
SEAL, U JOINT FRONT FLANGE(MANUAL TRANSMISSION(M20))(*KIT1)
$16.90 $12.60
1
Add To Cart
23049636
SEAL, OUTPUT SHAFT OIL(*KIT1)
12478060
SEAL, EXTENSION OIL

12547173
BEARING, Transfer Case, BEARING, REAR OIL SEAL RETAINER
$29.49 $23.59
1
Add To Cart

PLUG, Transmission Case

23049841
PLUG, OIL DRAIN (M24X1.5)
$10.15 $5.82
1
Add To Cart
23049841
PLUG, TRANS OIL DRAIN(M24X1.5)(4.195)
$10.15 $5.82
1
Add To Cart
3738198
PLUG, VENT HOLE
$23.73
1
Add To Cart

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 SPEED GEAR
$72.59 $35.98
1
Add To Cart

457232
BEARING, Front Wheel Inner, BEARING, COUNTERSHAFT REAR (K)(INCLUDE 67)
$50.52 $29.25
1
Add To Cart

TRANSMISSION KIT, Transmission Overhaul

8672987
TRANSMISSION 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)
$418.97 $262.69
1
Add To Cart
8672987
TRANSMISSION KIT, MANUAL(SERVICE OVERHAUL)(1988-89)(INCLUDE 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
8672952
TRANSMISSION KIT, MANUAL (INCLUDE 120,122,209,320,323,324)(*01)
8672952
TRANSMISSION KIT, MANUAL (INCLUDE 6,9,10,40,42,52)(*01)

15635329
BALANCER, Propeller, BALANCER,PROPELLER SHAFT(4.303)

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

GASKET, Back Up Lamp

3929530
GASKET, BACK UP LAMP SWITCH
3929530
GASKET, BACK-UP LAMP SWITCH

12382783
WASHER, Transmission Rear Bearing & Mainshaft, WASHER, MAINSHAFT NUT
$3.58
1
Add To Cart

BEARING, Transmission Gear

12382813
BEARING, OVERDRIVE GEAR (2 REQUIRED)
$56.58 $35.96
1
Add To Cart
12549371
BEARING, TRANS GEAR
$56.58 $28.06
1
Add To Cart
23049697
BEARING, NEEDLE (3RD GEAR)
$17.08 $10.32
1
Add To Cart
12549372
BEARING, 3RD SPEED GEAR (2 REQUIRED)

12382814
SPACER, Transmission Rear Bearing and Mainshaft, SPACER, MAINSHAFT GEAR BEARING
$4.56 $2.97
1
Add To Cart

PAD, Transmission Internal Shift Fork

12382866
PAD, SHIFT FORK SIDE (6 REQUIRED)
$3.76 $2.39
1
Add To Cart
15635277
PAD, SHIFT FORK CENTER (3 REQUIRED)

12382897
SPRING, Transmission Shift Shaft Detent, SPRING, SHIFT SHAFT DETENT (1989 2ND DESIGN W/0KDU,1990-91)
$9.40 $4.91
1
Add To Cart

GEAR, Transmission Main Drive(Clutch)

12386535
GEAR, MAIN DRIVE CLUTCH DIG
$31.09 $23.92
1
Add To Cart
12547204
GEAR, OVERDRIVE CLUTCH

EXTENSION, Transmission Case Extension

12546147
EXTENSION, TRANS(K MODEL)(4.412)
$435.90 $275.80
1
Add To Cart
15635280
EXTENSION, TRANS(C1,2,309)(C310,314 W/C7A,C7E)

SHAFT, Transmission Internal Shift Shaft

12548394
SHAFT, 5TH SHIFT LUGGAGE & FORK
$37.86 $24.06
1
Add To Cart
8672013
SHAFT, 3RD & 4TH SHIFT FORK
8672119
SHAFT, 1ST & 2ND SHIFT(INCLUDE 101,102,105)
8672260
SHAFT, 3RD & 4TH SHIFT(1988,1989 1ST DESIGN W/9KDU)(INCLUDE 107,108,109)
8672260
SHAFT, 3RD & 4TH SHIFT(1989 2ND DESIGN W/0KDU,1990-91)(INCLUDE 107,108,109)
8672310
SHAFT, SHIFT (INCLUDE 117,119,121)
8672310
SHAFT, SHIFT(PART OF 116)(MG5)

SHAFT, Transmission Reverse Idler

12548476
SHAFT, REVERSE IDLER GEAR
$30.94 $21.53
1
Add To Cart
3901144
SHAFT, REVERSE IDLER
8672200
SHAFT, REVERSE IDLER (1989 2ND DESIGN W/0KDU,1990-91)

GEAR, Transmission Countershaft

15637296
GEAR, COUNTERSHAFT OVERDRIVE (ALSO PART OF 91)
$334.30 $165.78
1
Add To Cart
14053671
GEAR, COUNTER
3968038
GEAR, 3RD COUNTER

15590194
PIN, Transmission Shift Shaft Detent, PIN, SHIFT FORK DETENT (AS REQUIRED)
$12.60
1
Add To Cart

15619131
PLUG, Transmission Internal Shift, PLUG, SHIFT BAR HOUSING EXPANSION (7/8 ODX5/64 THICK)(3 REQUIRED)
$6.75
1
Add To Cart

RING, Transmission Rear Bearing and Mainshaft

15635217
RING, MAINSHAFT BEARING RETAINER (4 REQUIRED)
$13.05
1
Add To Cart
2600236
RING, MAIN SHAFT REAR BEARING RETAINING
3866655
RING, MAIN DRIVE GEAR BEARING RETAINING (3.7 INCH DIAMETER)(*KIT2)

WASHER, Transmission First/Reverse Gear

15635252
WASHER, REVERSE GEAR THRUST (FLAT 1.88X3.5X.27)
$22.21 $8.73
1
Add To Cart
23049744
WASHER, THRUST (SPECIAL)(1988,1989 1ST DESIGN W/9KDU)(M40.1X57X4.95)(*KIT1)
8672203
WASHER, REV IDLER GEAR THRUST(SPECIAL)(1989 2ND DESIGN W/0KDU,1990-91)(*KIT1)

WASHER, Transmission Countershaft Gear

15635262
WASHER, COUNTERSHAFT THRUST (FLAT, 1.58X2.66X.35)
$43.44 $34.11
1
Add To Cart
3901153
WASHER, COUNTER GEAR THRUST(*KIT2)

WHEEL, Speedometer Drive

23046538
WHEEL, VEHICLE SPEED SENSOR RELUCTOR
$53.68
1
Add To Cart
15635279
WHEEL, SPEEDOMETER DRIVE MAGNETIC

15635283
RING, Transmission Rear Bearing & Mainshaft, RING,MAIN SHAFT REAR BEARING RETAINER(4.319)
$8.31 $4.64
1
Add To Cart

15635285
BOLT, Transmission Mount and Support, BOLT, RETAINER (M10X1.5X333.2,27.5)(8 REQUIRED)
$0.18 $0.11
1
Add To Cart

15635286
YOKE, Universal Joint and Power Divider, YOKE, PROPELLER SHAFT (INCLUDE 25)
$493.42 $342.69
1
Add To Cart

WASHER, Transmission Mount and Support

15635289
WASHER, TRANS(MAINSHAFT)
$2.76 $1.76
1
Add To Cart
15635289
WASHER, TRANS (1.0X1.52X.162)(AS REQUIRED)
$2.76 $1.76
1
Add To Cart

15635332
SPACER, Speedometer Drive, SPACER,VEHICLE SPEED SENSOR(4.343)
$184.82 $116.94
1
Add To Cart

15635333
EXTENSION, Transmission Case, EXTENSION,TRANS(C310,314 W/C5B)(C318)
$787.58 $127.65
1
Add To Cart

SHIM, Transmission Main Shaft Gear Retaining

15636196
SHIM, MAIN SHAFT BEARING(.0176-.0186)(AS REQUIRED)(4.412)
$9.21 $7.51
1
Add To Cart
15636198
SHIM, MAIN SHAFT BEARING(.0231-.0241)(AS REQUIRED)(4.412)
$9.21 $7.51
1
Add To Cart
15636199
SHIM, MAIN SHAFT BEARING(.0253-.0263)(AS REQUIRED)(4.412)
$9.21 $7.51
1
Add To Cart
15636201
SHIM, MAIN SHAFT BEARING(.0297-.0307)(AS REQUIRED)(4.412)
$13.05
1
Add To Cart
15636195
SHIM, MAIN SHAFT BEARING(.0165-.0175)(AS REQUIRED)(4.412)
15636197
SHIM, MAIN SHAFT BEARING(.0209-.0219)(AS REQUIRED)(4.412)
15636200
SHIM, MAIN SHAFT BEARING(.0275-.0285)(AS REQUIRED)(4.406)
15636202
SHIM, MAIN SHAFT BEARING(.0320-.0330)(AS REQUIRED)(4.412)

SHIM, Transmission Countershaft Gear

15636208
SHIM, COUNTER GEAR BEARING(.0150-.0160)(AS REQUIRED)
$9.21 $3.38
1
Add To Cart
15636210
SHIM, COUNTER GEAR BEARING(.0194-.0204)(AS REQUIRED)
$9.21 $3.38
1
Add To Cart
15636211
SHIM, COUNTER GEAR BEARING(.0216-.0226)(AS REQUIRED)(4.423)
$9.14 $7.45
1
Add To Cart
15636212
SHIM, COUNTER GEAR BEARING(.0238-.0248)(AS REQUIRED)
$9.12 $3.33
1
Add To Cart
15636213
SHIM, COUNTER GEAR BEARING(.0260-.0270)(AS REQUIRED)(4.423)
$9.21 $7.51
1
Add To Cart
15636207
SHIM, COUNTER GEAR BEARING(.0128-.0138)(AS REQUIRED)(4.423)
15636209
SHIM, COUNTER GEAR BEARING(.0172-.0182)(AS REQUIRED)(4.423)

GEAR, Transmission Second Speed

23049698
GEAR, 2ND SPEED (1988-90)(*03)
$129.03 $89.78
1
Add To Cart
15637281
GEAR, MAINSHAFT 2ND SPEED (CK1,2,3)
8672629
GEAR, 2ND SPEED (1991)

15637285
STRUT, Transmission Synchronizer, STRUT, TRANS 3RD & 4TH GEAR SYN (4 REQUIRED) (ALSO PART OF 93)
$3.80 $2.42
1
Add To Cart

SPRING, Transmission Synchronizer

15637912
SPRING, SYNCHRONIZER (3 REQUIRED) (ALSO PART OF 91)
$13.05
1
Add To Cart
15637912
SPRING, SYNCHRONIZER (4 REQUIRED) (ALSO PART OF 93)
$13.05
1
Add To Cart
15637912
SPRING, GEAR SYNCHRONIZER (ALSO PART OF 92)
$13.05
1
Add To Cart
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)

15665236
CONE, Transmission Clutch Gear, CONE,INPUT SHAFT BEARING(4.105)
$62.85 $35.17
1
Add To Cart

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
23049693
BEARING, NEEDLE (5TH GEAR)

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

3901165
SLEEVE, Transmission Synchronizer, SLEEVE, 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

LEVER, Transmission Internal Shift

8672979
LEVER, SHIFT SHAFT (REMANUFACTURE)(1988-89)(INCLUDE 230,231)(*02)
$18.75 $13.05
1
Add To Cart
8672244
LEVER, SHIFT SHAFT (1990-91)(INCLUDE 230,231)

8672266
RETAINER, Transmission Rear Bearing & Mainshaft, RETAINER,MAIN SHAFT BEARING(1990-91)(C SHAPED)(4.353)
$8.65 $5.50
1
Add To Cart

8672923
BALL, Transmission Shift Shaft Detent, BALL, W/SPRING DETENT (ALSO PART OF 200,301)(INCLUDE 324)(*KIT1)
$26.18
1
Add To Cart

88958818
SEAL, Transmission Extension, SEAL, EXTENSION OIL
$59.12 $35.72
1
Add To Cart

11513033
PIN, Coiled Spring, PIN, COILED SPRING (M6.35X35,1070, PLAIN)(ALSO PART OF 106)(AS REQUIRED)

RING, Transmission Countershaft Gear

12337982
WASHER, CLUTCH COUNTER GEAR RETAINING (1.940X.00X.111)(*KIT2)
2600236
RING, COUNTER GEAR REAR BEARING RETAINING(*KIT2)
3866346
RING, COUNTER GEAR RETAINING(*KIT2)
3866346
RING, CLUTCH COUNTER GEAR RETAINING (1.450X.28X.097)(*KIT2)

12338118
SLINGER, Transmission Main Drive Gear Bearing, SLINGER, MAIN DRIVE GEAR BEARING OIL (1988-89,1990 1ST DESIGN)(*KIT2)

LEVER

12376615
LEVER, SHIFT (LEVER ONLY)
15637305
LEVER, GEAR SHIFT STUB(*01)
8678461
LEVER, SHIFT LOWER (COMPLETE)(INCLUDE 129-131,134)

12377811
NUT, Transmission Rear Bearing and Mainshaft, NUT, MAINSHAFT (1.5-18X.52.24)

12382812
WASHER, Transmission Reverse Idler Gear, WASHER, REVERSE IDLER GEAR (FLAT 099X1.76X.09)(2 REQUIRED)

12382815
SPACER, Transmission Main Shaft Gear Retaining, SPACER, MAINSHAFT GEAR

SHAFT, Transmission Mainshaft

12382817
SHAFT, MAIN (C W/MT8)(USE TOGETHER WITH 12546679 TONE WHEEL)
12382819
SHAFT, MAIN (C W/C5B)(ALSO USE 12546679 TONE WHEEL)
12382861
SHAFT, MAIN (K)
14020859
SHAFT, MAIN (32 TEETH OUTPUT)(K)
3932265
SHAFT, MAIN (35 TEETH OUTPUT)(C)

NUT

12388448
NUT, SPECIAL BEARING (1 9/16-18)(4 SLOTS)(ROUND)(AS REQUIRED)
23049525
NUT, HEXAGON JAM (M16X1.5X8,4T, PLAIN, LH THREAD)(AS REQUIRED)

RETAINER, Transmission Clutch Gear

12388895
RETAINER, INPUT SHAFT BEARING(1991 W/CODES CAU,KMU,UEU,UJU,CCU,KDU,CHU)(INCLUDE 206-208)
12388895
RETAINER, INPUT SHAFT BEARING(1988-1990) (INCLUDE 206-208)
12388896
RETAINER, INPUT SHAFT BEARING(1991 W/CODES UMU,UNU,UPU,URU,UXU,UYU,UZU)(INCLUDE 206-208)

12475007
PLATE, Transmission Rear Bearing & Mainshaft, PLATE, MAINSHAFT BEARING RETAINING

SHAFT, Transmission Countershaft

12542557
SHAFT, COUNTER GEAR
12542557
SHAFT, TRANS COUNTER
8677746
SHAFT, COUNTER (1991)(INCLUDE 55)

12542558
KEY, Transmission Countershaft Gear, KEY, COUNTER GEAR (.031"WIDTH,1.35 LENGTH,.4"HEIGHT)(2 REQUIRED)

CASE, Transmission Case

12542903
CASE, TRANS
465451
CASE, W/MAGNET & PLUGS

GEAR, Transmission First/Reverse Gear

12543818
GEAR, REVERSE SPEED (1991)
12543819
GEAR, 1ST SPEED (1991)
15637279
GEAR, MAINSHAFT 1ST SPEED (INCLUDE 15)
15637292
GEAR, MAINSHAFT REVERSE SPEED
23049701
GEAR, 1ST SPEED (1988-90)(*03)
476766
GEAR, W/PINION, 1ST SPEED

GEAR,Fourth & Fifth Gear

12547205
GEAR, MAINSHAFT 3RD SPEED (INCLUDE 34)
8672616
GEAR, 5TH SPEED (1991)
88934831
GEAR, 3RD SPEED (1991)
$87.27 $55.46

FORK, Transmission Internal Shift

12547836
FORK, OVERDRIVE
15590189
FORK, 3RD & 4TH SHIFTER
8672665
FORK, TRANS REVERSE SHIFT

COVER, Transmission Case

12548459
COVER, TRANS
8672011
COVER, TRANS
8672111
COVER, TRANS

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

14071774
NUT, Transmission Internal Shift, NUT, HEXAGON JAM (M16X1.5X8, 510M PLAIN)(ALSO PART OF 136)

BEARING, Transmission Internal Shift Shaft

14080583
BEARING, SHIFT RAIL (1-2,3-4,5)(ALSO PART OF 301)
23049549
BEARING, DETENT PLUNGER (ALSO PART OF 200)

15535364
NUT, Mainshaft, NUT, MAINSHAFT

15548812
PIPE, Transmission Case, PIPE, TRANS VENT

15592354
RETAINER, Transmission Case, RETAINER, REAR BEARING, W/PINION (K)

15597793
ADAPTER, Transfer Case, ADAPTER, TRANSFER CASE

15635196
BUSHING, Transmission Rail End, BUSHING, OVERDRIVE (2 REQUIRED)

CAP, Transmission Countershaft Gear

15635197
CAP, COUNTER GEAR BEARING
3866347
CAP, COUNTER GEAR FRONT BEARING

15635200
LUG, Transmission Internal Shift, LUG, OVERDRIVE

GEAR, Transmission Reverse Idler

15635201
GEAR, REVERSE IDLER
8672202
GEAR, REV IDLER(24T)(1990-91)
8672202
GEAR, REV IDLER(24T)(1989 W/TRANS CODES OCCU,CODU- 2ND DESIGN)

15635203
SPACER, Transmission Reverse Idler Gear/Shaft, SPACER, REVERSE IDLER GEAR BEARING

15635232
WASHER,Fourth & Fifth Gear, WASHER, 3RD GEAR THRUST FLAT (1.9X3.28X.188)

15635261
BOLT, Transmission Main Shaft Gear Retaining, BOLT, DRIVE GEAR BEARING RETAINER (ALSO PART OF 59)(4 REQUIRED)

15635267
RETAINER, Transmission Countershaft Gear, RETAINER,COUNTER GEAR REAR BEARING(UPC/FNA: RETAINER,COUNTER GEAR REAR BEARING)(REAR)(4.423)

15635271
SPACER,Fourth & Fifth Gear, SPACER, OVERDRIVE GEAR BEARING

15635278
GEAR, Transmission Mainshaft, GEAR, MAINSHAFT OVERDRIVE

PIN, Transmission Case

15635284
PIN, TRANS CASE LOCATING(2 REQUIRED)
15635315
PIN, COVER (DIAMETER 468, LEN .485)(2 REQUIRED)

15635311
BOLT, Transmission Shift Shaft Detent, BOLT, REVERSE INHIBITOR CAM (2 REQUIRED)

15635326
WASHER, Universal Joint Sleeve Yoke, WASHER, MAINSHAFT NUT (1.52X2.2X.17)(NO LONGER REQ'D)

SLEEVE, Transmission Shift Shaft Detent

15637291
SLEEVE, REVERSE SHIFT SHAFT DETENT SPRING
15637291
SLEEVE, OVERDRIVE SYNCHRONIZER (ALSO PART OF 91)

SHAFT, Transmission Main Drive(Clutch)

15637293
SHAFT, INPUT
88959246
SHAFT, INPUT (1991)

PLUG

15637304
PLUG, TRANS OIL DRAIN
15637304
PLUG, AUTO SQUARE HEAD PIPE (3/4X14 STEEL ZINC COATED (DIPPED OR PLATED))(AS REQUIRED)
23049822
PLUG, CUP (15.15 OUTSIDE DIAMETER,5 THICK,STEEL,ZINC COATED (DIPPED OR PLATED))(AS REQUIRED)
23049884
PLUG, 5TH & REVERSE DETENT

15637307
CAP, Transmission Control Lever, CAP, MASTER CONTROL HOUSING(*01)

BOOT

15662923
BOOT, MANUAL TRANSMISSION CONTROL LEVER
15662923
BOOT, CONTROL LEVER(*01)

RETAINER

15665238
RETAINER, MAIN DRIVE GEAR BEARING (INCLUDE 58,60,61)
274621
RETAINER, PINION STRADDLE BEARING LOCK (AS REQUIRED)

PLUG, Engine Clutch Housing

15677601
PLUG, CLUTCH FORK ACCESS HOLE
15677601
PLUG, CLUTCH FORK ACCESS HOLE(1)(1988-91)K(1,2)(MG5)

TRANSMISSION, Manual(5 Speed)

15691901
TRANSMISSION, COMPLETE (K1,2,3)
15691902
TRANSMISSION, COMPLETE (C1,2,309)(C310,314 W/C7A,C7E)
15691903
TRANSMISSION, COMPLETE (C310,314 EXCEPT C7A,C7E)(C318 W/C5B)

19369733
ADHESIVE, Truck Maintenance, ADHESIVE,THREADLOCKER(HIGH-STRENGTH)(HIGH-TEMPERATURE)(RED)(0.20 OUNCE)(ADHESIVE KIT, THREAD LOCK (10 ML)(AS REQUIRED))(AS REQUIRED)
$11.47 $6.39

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

SPRING, Transmission Internal Shift

23049477
SPRING, BIAS LOAD TORSION (1988,1989 1ST DESIGN W/9KDU)
3978731
SPRING, REVERSE SHIFT FORK (2 11/32 FREE LENGTH)
551946
SPRING, 3RD & 4TH SHIFT LEVER DETENT BALL (AS REQUIRED)
8678655
SPRING, BIAS LOAD TORSION (1991)
8678655
SPRING, BIAS LOAD TORSION (1989-90 2ND DESIGN W/0KDU)

SOCKET, Transmission Internal Shift

23049485
SOCKET, SHIFT SHAFT ACT (INCLUDE 124-128)(1988-90)
8677555
SOCKET, SHIFT SHAFT ACT (INCLUDE 124-128)(1991)

23049489
BOOT, Shift Lever, BOOT, SHIFT LEVER (1988)(ALSO PART OF 136)

GASKET

23049572
GASKET, SHIFT HOUSING
8672160
GASKET, ADAPTER TO TRANS(*KIT1)
8672187
GASKET, COVER

23049579
SEAL, Floor Mounted Control Lever, SEAL, SHIFT LEVER BOOT UPPER (1988)(ALSO PART OF 136)

23049747
RETAINER, Transmission Reverse Idler Gear, RETAINER,REV IDLER GEAR SHAFT

23049817
BUSHING, Transmission Internal Shift Shaft, BUSHING,SHIFT SHAFT(ALSO PART OF 301)

23049843
TUBE, Oil Delivery, TUBE, OIL DELIVERY

23049866
SEAT, Transmission Internal Shift, SEAT, BIAS SPRING & SLEEVE

23049899
ROLLER, Transmission Shift Shaft Detent, ROLLER, SHIFT SHAFT DETENT

2458324
SEAT, Transmission Control Lever, SEAT, CONTROL LEVER SPRING(*01)

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

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

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

3901139
PIN, PIN, SHIFT INTERLOCK (.185X.63)

GEAR

3901141
GEAR, W/BUSHING, REVERSE IDLER
3901158
GEAR, 2ND SPEED
3901170
GEAR, REVERSE
8672408
GEAR, TRANS CLUTCH(17 TEETH)(1988-89,1990 1ST DESIGN)(MUST ALSO USE 08672405 BEARING & DISCARD OIL SLINGER)
8672408
GEAR, MAIN DRIVE (17 TEETH)(1990 2ND DESIGN,1991)(*01)

RING

3901152
RING, MAIN DRIVE GEAR RETAINING (2.0 INCH DIAMETER)(*KIT2)
3901166
RING, MAIN DRIVE GEAR PILOT BEARING RETAINER OIL(*KIT2)
3901166
RING, 3RD & 4TH SPEED CLUTCH HUB RETAINING(*KIT2)
8672914
RING, W/BALL & WASHER(*KIT1,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)(MANUAL TRANSMISSION(M20))

3932267
WASHER, WASHER, 3RD SPEED GEAR THRUST

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

456587
PIN, Auxiliary Internal Shift, PIN, SHIFT LEVER PIVOT SPRING (5/16X3/4)(AS REQUIRED)

465450
WASHER, Transmission Main Shaft Gear Retaining, WASHER, 1ST SPEED GEAR THRUST(*KIT2)

465455
BUSHING, BUSHING, 1ST SPEED GEAR

551946
SPRING, Transmission Interlock, SPRING, REVERSE SHIFT LEVER DETENT BALL (AS REQUIRED)

8652580
VENT, Transmission Case, VENT, TRANS

8672001
FORK, 1st & 2nd Shifter, FORK, 1ST & 2ND SHIFTER

8672019
STOP, Transmission Internal Shift, STOP, 3RD & 4TH SHIFTER GATE

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)

8672222
RING, Transmission Shaft and 2nd Speed Gear, RING,2ND GEAR THRUST WASHER RETAINER(AS REQUIRED)(INCLUDE 9,10,20,21)

8672243
PLUG, Transmission Countershaft Gear, PLUG, COUNTERSHAFT BEARING

8672247
SUPPORT, Transmission Shift Shaft Detent, SUPPORT, 5TH & REVERSE DETENT CAM (1989 2ND DESIGN W/0KDU,1990-91)(INCLUDE 204,236,240-1)

HOUSING, Engine Clutch Housing

8672597
HOUSING, CLUTCH(1991)(INCLUDE 220,228,242,246,323)
8672597
HOUSING, CLUTCH(1991)

8672645
SPACER, Transmission Internal Shift Shaft, SPACER, INPUT SHAFT BEARING (1991)

8672909
COVER, Transmission Shift Shaft Detent, COVER, DETENT SPRING

8672912
BLOCK, Transmission Internal Shift, BLOCK,1ST & 2ND SHIFT(INCLUDE 104)

8672921
SHIM KIT, Transmission Overhaul, SHIM KIT,MANUAL TRANSMISSION(OUTPUT SHAFT BEARING)

RING KIT, Transmission Main Shaft Gear Retaining

8672928
RING KIT, INPUT SHAFT SNAP (INCLUDE 213)
8672928
RING KIT, INPUT SHAFT SNAP(*KIT2)
8672928
RING KIT, OUTPUT SHAFT SNAP

8672933
IDLER KIT, IDLER KIT, REVERSE (INCLUDE 40,47,48,52)(*01)

8672945
GASKET KIT, GASKET KIT, W/SEALS (INCLUDE 33,34,38,54,56,59)

TRANSMISSION, Manual

8672969
TRANSMISSION, MANUAL (REMANUFACTURE)(CODE 1UNU)
8672969
TRANSMISSION, MANUAL (CODE GKC)(SERVICE BY REMANUFACTURE TRAN)
8672969
TRANSMISSION, MANUAL (REMANUFACTURE)(CODE 0KDU,9KDU,GKC)

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

11515755
BOLT, HEXAGON W/CONICAL WASHER (M8X1.25X16, 9.8 PHOSPHATE ZINC ORGANIC)(AS REQUIRED)
$13.05
1
Add To Cart

15531205
WASHER, FLAT,13.4X24.8X2.9,FLATS ON SIDES FOR INSIDE DIAMETER,HARD,PLATE STEEL(AS REQUIRED)
$11.42 $6.05
1
Add To Cart

11501033
NUT, HEXAGON PRVG TORQUE (M10X1.5, 10 CADMIUM)(AS REQUIRED)
$7.37 $4.69
1
Add To Cart

11503867
BOLT, HEXAGON (M6X1X20, 9.8 PHOSPHATE ZINC ORGANIC)(ALSO PART OF 237)(AS REQUIRED)
$2.22 $1.40
10
Add To Cart

11092971
BOLT, HEXAGON SOCKET (M8X1.25X50,12.9 PHOSPHATE ZINC ORGANIC)(AS REQUIRED)
$13.05
1
Add To Cart

11561048
BOLT, HEX FLANGED HEAD (3/8-16X5/8, 280M PHOSPHATE ORGANIC)(AS REQUIRED)
$5.10 $3.24
1
Add To Cart

11509417
BOLT, HEXAGON (M6X1X25, 9.8 PHOSPHATE ZINC ORGANIC)(ALSO PART OF 237)(AS REQUIRED)
$3.39 $2.15
1
Add To Cart

12338111
PIN, SPRING (3/16X1 1/8, STAINLESS STEEL PLAIN)(TYPE A)(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

9431704
PIN, THRUST WASHER RETAINING
$11.70 $9.52
1
Add To Cart

9431704
PIN, (1/8X17/64, PLAIN)(AS REQUIRED)
$11.70 $9.52
1
Add To Cart

11509419
BOLT, HEXAGON (M10X1.5X25, 10.9 PHOSPHATE ORGANIC)(AS REQUIRED)

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

11513805
BOLT, HEXAGON (M8X1.25X22,FULL THREAD,9.8)(AS REQUIRED)

14080573
PLUG, CUP (17OD,1 THICK,5 DEEP,1010 STEEL)(AS REQUIRED)

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

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

172545
PLUG, EXPANSION (1" TYPE B)(AS REQUIRED)

23047261
BOLT, HEX FLANGED HEAD (3/8X16X3.75, 280M, PLATE STEEL)(AS REQUIRED)

23049820
PLUG, (M12,3 THICK,STEEL,ZINC COATED (DIPPED OR PLATED))(AS REQUIRED)

273937
PIN, SPRING,1/8X1 1/4,STEEL,ZINC COATED(AS REQUIRED)(*KIT1,KIT2)

3968034
PLUG, MAGNETIC PIPE(*KIT2)

9416325
PIN, SPRING TRANS SHIFT TOWER (2 REQUIRED)

9442300
SCREW, ,HEXAGON W/WASHER 5/16-18 X 1 PO(AS REQUIRED)(4.720)

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1991 GMC K2500 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, 8 Cyl 7.4L. Model Code: K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB.