1991 GMC Trucks C3500 Pickup Sierra XC 2WD transmission manual m/t parts catalog

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Transmission, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672072
  • Manual (code 0cmy, 9cmy)

$?

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Transmission, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672073
  • Manual (code 0kny, 9kny)

$?

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Transmission, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672105
  • Manual (code ksy, yby, ggg)

$?

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Transmission, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672106
  • Manual (code cry, yay, ggd)

$?

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Roller, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 09422666
  • Main shaft pilot (17 required)

$?

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Cone, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03993036
  • Third & fourth speed gear synchronizer (2 required)

$?

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Sleeve, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03901165
  • Third & fourth speed

$?

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Ring, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03901166
  • Third & fourth speed clutch hub retaining

$?

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Insert, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03866358
  • First & second, third & fourth speed clutch (6 required)

$?

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Spring, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03866359
  • Third & fourth speed clutch key (2 required)

$?

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Hub, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03901164
  • Third & fourth speed clutch

$?

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Gear, 4-speed manual transmission (m20, case and related parts)

$?

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Bushing, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03932274
  • Third speed gear

$?

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Washer, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03932267
  • Third speed gear thrust

$?

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Gear, 4-speed manual transmission (m20, case and related parts)

$?

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Ring, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03950367
  • Second speed gear synchronizer

$?

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Bushing, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03932253
  • Second speed gear

$?

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Shaft, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03932265
  • Main (35 teeth output) (c)

$?

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Shaft, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 14020859
  • Main (32 teeth output) (k)

$270.13

Available in 1 shop

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Spring, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03866646
  • First & second speed clutch key front & rear (2 required)

$?

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Hub, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03946776
  • First & second speed clutch

$?

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Gear, 4-speed manual transmission (m20, case and related parts)

$?

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Bushing, 4-speed manual transmission (m20, case and related parts)

$?

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Pinion, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 00456587
  • Shift lever pivot spring (5/16x3/4)

$?

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Gear, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 00476766
  • With pinion, first speed

$?

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Bearing, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 12471606
  • Counter gear front

$16.2532.68

Available in 38 shops

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Ring, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03866346
  • Clutch counter gear retaining (1.450x.28x.097)

$?

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Washer, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 12337982
  • Clutch counter gear retaining (1.940x.00x.111)

$2.10

Available in 1 shop

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Washer, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03901153
  • Counter gear thrust

$?

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Gear, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672344
  • Fourth (on 1989 & prior vehicles may need 2 discard old thrust washer)

$?

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Gear, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672344
  • With spacer, clutch counter

$?

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Spacer, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 14020811
  • Counter gear (1.56 inch long)

$5.45

Available in 1 shop

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Gear, 4-speed manual transmission (m20, case and related parts)

$?

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Gear, 4-speed manual transmission (m20, case and related parts)

$270.73304.64

Available in 2 shops

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Bearing, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672404
  • Counter gear rear

$?

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Ring, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 02600236
  • Counter gear rear bearing retaining

$?

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Ring, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03866346
  • Counter gear retaining

$?

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Retainer, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03901178
  • Trans main drive gear bearing

$?

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Gasket, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 12337932
  • Main drive gear bearing retainer

$1.822.02

Available in 2 shops

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Seal, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03987937
  • Main drive gear bearing oil

$?

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Bolt, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03920784
  • With lock washer, main drive gear bearing retainer (4 required)

$?

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Adhesive/sealant, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 89021297
  • Threadlocker high strength 10ml eri (adhesive kit, thread lock (10 ml)) (89021297 serviced together with bolt 11517188)

$12.9414.56

Available in 2 shops

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Bolt, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 11561048
  • Hex flanged head (3/8-16x5/8, 280m por)

$2.382.93

Available in 38 shops

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Cover, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 12547312
  • Power take off (2 required)

$15.3717.21

Available in 38 shops

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Gasket, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672163
  • Power take off cover (2 required)

$?

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Case, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 00465451
  • With magnet & plugs

$?

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Magnet, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 12471607
  • Chip collector

$5.317.60

Available in 38 shops

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Ring, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03901152
  • Main drive gear retaining (2.0 inch diameter)

$?

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Ring, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03866655
  • Main drive gear bearing retaining (3.7 inch diameter)

$?

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Bearing, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672061
  • With slinger, main drive gear (1988-89, 1990 first design)

$?

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Bearing, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672405
  • With slinger, main drive gear (1990 second design, 1991)

$?

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Slinger, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 12338118
  • Main drive gear bearing oil (1988-89, 1990 first design)

$5.155.79

Available in 2 shops

Add to cart


Gear, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672408
  • Trans clutch (17 teeth) (1988-89, 1990 first design) (must also use 08672405 bearing & discard oil slinger)

$?

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Gear, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672408
  • Main drive (17 teeth) (1990 second design, 1991)

$?

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Ring, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03901166
  • Main drive gear pilot bearing retainer oil

$?

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Washer, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 00465450
  • First speed gear thrust

$?

Add to cart


Bearing, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672404
  • Main shaft rear

$?

Add to cart


Gear, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03901141
  • With bushing, reverse idler

$?

Add to cart


Shaft, 4-speed manual transmission (m20, case and related parts)

$?

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Ring, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 02600236
  • Main shaft rear bearing retaining

$?

Add to cart


Screw, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 09438486
  • Pan head slotted (#10-24x3/8)

$?

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Cap, 4-speed manual transmission (m20, case and related parts)

$?

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Gasket, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672162
  • Counter gear front bearing cap

$?

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Plug, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 00444746
  • Square hd. fill & drain (1/2-14)

$?

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Plug, 4-speed manual transmission (m20, case and related parts)

$?

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Gasket, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672160
  • Adapter to trans

$?

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Wheel, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 23046538
  • Vehicle speed sensor reluctor

$27.4730.91

Available in 2 shops

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Retainer, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 15521967
  • Rear bearing, with seal (m20)

$?

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Retainer, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 15592354
  • Rear bearing, with pinion (k)

$155.79

Available in 1 shop

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Seal, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 15595878
  • Unit joint front flange (manual transmission (m20))

$8.659.52

Available in 2 shops

Add to cart


Flange, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03915056
  • Unit joint front (type m) (manual transmission (m20))

$?

Add to cart


Nut, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 03830575
  • Unit joint front flange lock (m20)

$?

Add to cart


Pinion, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 00141242
  • Dowel (3/8x7/8)

$?

Add to cart


Bolt, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 02059927
  • Adapter to trans (8 required)

$?

Add to cart


Sensor, 4-speed manual transmission (m20, case and related parts)

$46.4152.22

Available in 2 shops

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Washer, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 00335366
  • Main shaft bearing lock

$?

Add to cart


Nut, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 12388448
  • Special bearing (1 9/16-18) (4 slots) (round)

$?

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Adapter, 4-speed manual transmission (m20, case and related parts)

$?

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Gasket kit, 4-speed manual transmission (m20, case and related parts)

$?

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Transmission kit, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672987
  • Manual (service overhaul) (1988-89)

$?

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Transmission kit, 4-speed manual transmission (m20, case and related parts)

  • OEM part number: 08672987
  • Manual (service overhaul) (1990-91)

$?

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Cover, 4-speed manual transmission (m20, control housing)

$?

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Cover, 4-speed manual transmission (m20, control housing)

$?

Add to cart


Gasket, 4-speed manual transmission (m20, control housing)

$?

Add to cart


Bolt, 4-speed manual transmission (m20, control housing)

  • OEM part number: 23047261
  • Hex flanged head (3/8x16x3.75, 280m, plate steel)

$3.044.66

Available in 38 shops

Add to cart


Plug, 4-speed manual transmission (m20, control housing)

  • OEM part number: 00172545
  • Expansion (1" type b)

$?

Add to cart


Pinion, 4-speed manual transmission (m20, control housing)

  • OEM part number: 00141242
  • Dowel (3/8x7/8)

$?

Add to cart


Pinion, 4-speed manual transmission (m20, control housing)

  • OEM part number: 15590193
  • Shift interlock (.37x.75)

$15.1717.07

Available in 2 shops

Add to cart


Fork, 4-speed manual transmission (m20, control housing)

  • OEM part number: 08672001
  • First & second shifter

$?

Add to cart


Plunger, 4-speed manual transmission (m20, control housing)

  • OEM part number: 03864968
  • Reverse shift fork

$?

Add to cart


Spring, 4-speed manual transmission (m20, control housing)

  • OEM part number: 03978731
  • Reverse shift fork (2 11/32 free length)

$?

Add to cart


Stop, 4-speed manual transmission (m20, control housing)

  • OEM part number: 08672019
  • Third & fourth shifter gate

$?

Add to cart


Spacer, 4-speed manual transmission (m20, control housing)

  • OEM part number: 08672531
  • Third & fourth stop

$?

Add to cart


Fork, 4-speed manual transmission (m20, control housing)

  • OEM part number: 15590189
  • Third & fourth shifter

$101.99

Available in 1 shop

Add to cart


Fork, 4-speed manual transmission (m20, control housing)

  • OEM part number: 08672665
  • Trans reverse shift

$?

Add to cart


Retainer, 4-speed manual transmission (m20, control housing)

  • OEM part number: 03727182
  • Reverse shift fork plunger

$?

Add to cart


Shaft, 4-speed manual transmission (m20, control housing)

  • OEM part number: 08672014
  • Reverse shift fork

$?

Add to cart


Ball, 4-speed manual transmission (m20, control housing)

  • OEM part number: 07826284
  • 3/8" diameter steel

$?

Add to cart


Pinion, 4-speed manual transmission (m20, control housing)

  • OEM part number: 03901139
  • Shift interlock (.185x.63)

$?

Add to cart


Pinion, 4-speed manual transmission (m20, control housing)

  • OEM part number: 15590194
  • Shift fork detent

$7.97

Available in 1 shop

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