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

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

  • OEM part number: 00551946
  • Reverse shift lever detent ball

$?

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

$?

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

  • OEM part number: 00551946
  • Third & fourth shift lever detent ball

$?

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

$?

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

$?

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

  • OEM part number: 09416325
  • Spring transmission shift tower (2 required)

$?

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

  • OEM part number: 12338111
  • Spring (3/16x1 1/8, stainless steel plain) (type a)

$1.382.48

Available in 38 shops

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

$?

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

  • OEM part number: 14014559
  • Back up switch

$14.0715.67

Available in 38 shops

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Transmission, 5-speed manual transmission (mt8, assembly)

  • OEM part number: 15691901
  • Complete (k1, 2, 3)

$?

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Transmission, 5-speed manual transmission (mt8, assembly)

  • OEM part number: 15691902
  • Complete (c1, 2, 309) (c310, 314 with c7a, c7e)

$?

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Transmission, 5-speed manual transmission (mt8, assembly)

  • OEM part number: 15691903
  • Complete (c310, 314 except c7a, c7e) (c318 with c5b)

$?

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Lever, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15637305
  • Gear shift stub

$?

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Boot, 5-speed manual transmission (mt8, case and cover section)

$?

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Cap, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15637307
  • Master control housing

$?

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Seat, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 02458324
  • Control lever spring

$?

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Spring, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15636798
  • Manual transmission control lever

$?

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Plug, 5-speed manual transmission (mt8, case and cover section)

$?

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Screw, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 09442300
  • , hexagon with washer 5/16-18 x 1 po

$?

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Pinion, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635315
  • Cover (diameter 468, len .485) (2 required)

$5.246.31

Available in 38 shops

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Cover, 5-speed manual transmission (mt8, case and cover section)

$?

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Pinion, 5-speed manual transmission (mt8, case and cover section)

$?

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Pinion, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 02462226
  • Fifth shift fork (shift rod interlock (5 required))

$?

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Fork, 5-speed manual transmission (mt8, case and cover section)

$?

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Padding, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 12382866
  • Shift fork side (6 required)

$5.646.31

Available in 2 shops

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Padding, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635277
  • Shift fork center (3 required)

$?

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Fork, 5-speed manual transmission (mt8, case and cover section)

$?

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Plug, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15637304
  • Automatic square hd. pipe (3/4x14 steel zp)

$5.646.31

Available in 2 shops

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Extension, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635333
  • Trans (c310, 314 with c5b) (c318)

$478.58538.53

Available in 38 shops

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Spacer, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635332
  • Vehicle speed sensor

$107.33123.44

Available in 38 shops

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Bearing, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 12547173
  • Rear oil seal retainer

$16.3929.49

Available in 38 shops

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Ring, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635283
  • Main shaft rear bearing retain

$2.445.80

Available in 38 shops

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Seal, 5-speed manual transmission (mt8, case and cover section)

$32.8659.12

Available in 38 shops

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Extension, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635280
  • Trans (c1, 2, 309) (c310, 314 with c7a, c7e)

$?

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Seal, 5-speed manual transmission (mt8, case and cover section)

$8.019.63

Available in 38 shops

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Yoke, 5-speed manual transmission (mt8, case and cover section)

$?

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Washer, 5-speed manual transmission (mt8, case and cover section)

$2.722.86

Available in 2 shops

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Nut, 5-speed manual transmission (mt8, case and cover section)

$283.41

Available in 1 shop

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Extension, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 12546147
  • Trans (k model)

$253.11435.90

Available in 38 shops

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Balancer, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635329
  • Propeller shaft

$308.19530.47

Available in 38 shops

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Washer, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635326
  • Mainshaft nut (1.52x2.2x.17) (no longer req'd)

$3.674.05

Available in 2 shops

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Nut, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 12377811
  • Mainshaft (1.5-18x.52.24)

$16.3929.49

Available in 38 shops

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Bolt, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635285
  • Retainer (m10x1.5x333.2, 27.5) (8 required)

$2.122.49

Available in 38 shops

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Pinion, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635284
  • Trans case location (2 required)

$2.723.00

Available in 2 shops

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Pinion, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 00273937
  • Spring, 1/8x1 1/4, steel, zinc coated

$?

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Luggage, 5-speed manual transmission (mt8, case and cover section)

$31.0534.77

Available in 2 shops

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Bolt, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635311
  • Reverse inhibitor cam (2 required)

$0.69

Available in 1 shop

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Rail, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635303
  • Overdrive & reverse

$?

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Poppet, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635314
  • Shift fork & bar (3 required)

$?

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Spring, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635313
  • Shift rod poppet ball (3 required)

$?

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Plug, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15619131
  • Shift bar housing expansion (7/8 odx5/64 thick) (3 required)

$1.212.08

Available in 37 shops

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Bolt, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 11515755
  • Hexagon with conical washer (m8x1.25x16, 9.8 pzor)

$2.864.27

Available in 38 shops

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Sensor, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 12382860
  • Speed (includes "o" ring)

$43.5751.32

Available in 38 shops

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Gasket, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 03929530
  • Back-up lamp switch

$?

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Switch, 5-speed manual transmission (mt8, case and cover section)

$14.0715.67

Available in 38 shops

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Plug, 5-speed manual transmission (mt8, case and cover section)

$5.646.31

Available in 2 shops

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Pipe, 5-speed manual transmission (mt8, case and cover section)

$5.697.12

Available in 38 shops

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Boot, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15662923
  • Manual transmission control lever

$?

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Nut, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 23049525
  • Hexagon jam (m16x1.5x8, 4t, plain, left-hand thread)

$4.30

Available in 1 shop

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Washer, 5-speed manual transmission (mt8, case and cover section)

  • OEM part number: 15635289
  • Trans (mainshaft)

$3.854.91

Available in 38 shops

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Fork, 5-speed manual transmission (mt8, case and cover section)

$?

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Luggage, 5-speed manual transmission (mt8, case and cover section)

$?

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Wheel, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15635279
  • Speedometer drive magnetic

$?

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Gear, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15635278
  • Mainshaft overdrive

$?

Add to cart


Bearing, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 09418223
  • Mainshaft rear

$?

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Washer, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15635252
  • Reverse gear thrust (flat 1.88x3.5x.27)

$13.6615.08

Available in 2 shops

Add to cart


Gear, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637292
  • Mainshaft reverse speed

$?

Add to cart


Sleeve, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637291
  • Reverse shift shaft detent spring

$107.87126.24

Available in 38 shops

Add to cart


Bearing, 5-speed manual transmission (mt8, main gear section)

$33.4737.47

Available in 2 shops

Add to cart


Spacer, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 12382815
  • Mainshaft gear

$5.636.21

Available in 2 shops

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Ring, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 14037974
  • Clutch gear retaining (np 15207)

$5.208.89

Available in 38 shops

Add to cart


Hub, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 12547203
  • First & reverse reversible revision revised revolution(s) gear clutch

$?

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Bearing, 5-speed manual transmission (mt8, main gear section)

$32.8636.79

Available in 2 shops

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Gear, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637279
  • Mainshaft first speed

$359.58404.62

Available in 2 shops

Add to cart


Shaft, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 12382817
  • Main (c with mt8) (use together with 12546679 tone wheel)

$?

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Shaft, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 12382819
  • Main (c with c5b) (also use 12546679 tone wheel)

$465.01523.27

Available in 2 shops

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Shaft, 5-speed manual transmission (mt8, main gear section)

$423.49474.16

Available in 38 shops

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Pinion, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 09431704
  • Thrust washer retaining

$?

Add to cart


Ring, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15635217
  • Mainshaft bearing retainer (4 required)

$5.646.31

Available in 2 shops

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Spring, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637278
  • Second speed inhibitor (c310, 314 & c5b, c318)

$?

Add to cart


Ring, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15635216
  • Mainshaft synchronizer (inner) (2 required)

$49.1455.77

Available in 38 shops

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Ring, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15635219
  • Mainshaft synchronizer (middle) (2 required)

$31.6335.40

Available in 2 shops

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Ring, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637274
  • Mainshaft synchronizer (outer) (2 required)

$31.9135.74

Available in 38 shops

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Spring, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637277
  • First & second gear synchronizer

$?

Add to cart


Spring, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637912
  • Synchronizer (4 required)

$2.504.61

Available in 38 shops

Add to cart


Strut, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637285
  • Trans third & fourth gear synchronizer (4 required)

$5.646.31

Available in 38 shops

Add to cart


Block, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15635224
  • Synchronizer (4 required)

$?

Add to cart


Sleeve, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637276
  • First & second gear synchronizer

$?

Add to cart


Gear, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637281
  • Mainshaft second speed (ck1, 2, 3)

$332.73372.55

Available in 2 shops

Add to cart


Washer, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15635232
  • Third gear thrust flat (1.9x3.28x.188)

$8.559.57

Available in 38 shops

Add to cart


Ring, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15635233
  • Third gear retaining

$5.586.24

Available in 2 shops

Add to cart


Spacer, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 12382814
  • Mainshaft gear bearing

$2.813.09

Available in 2 shops

Add to cart


Gear, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 12547205
  • Mainshaft third speed

$?

Add to cart


Bearing, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 12549372
  • Third speed gear (2 required)

$16.3918.36

Available in 2 shops

Add to cart


Ring, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 89058652
  • Trans syn retain

$20.2852.74

Available in 38 shops

Add to cart


Hub, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637287
  • Synchronizer sliding clutch

$?

Add to cart


Spring, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637912
  • Gear synchronizer

$2.504.61

Available in 38 shops

Add to cart


Strut, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637275
  • Trans first & second gear synchronizer

$?

Add to cart


Sleeve, 5-speed manual transmission (mt8, main gear section)

  • OEM part number: 15637287
  • Mainshaft gear

$?

Add to cart

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