Genuine GMC K2500 Pinion Washer

Pinion Nut Washer

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53 Pinion Washers found

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GMC K2500 Washer,Pinion Thrust
Part Number: 14039026
$12.40 MSRP: $20.52
You Save: $8.12 (40%)
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Product Specifications
- Other Name: WASHER, Differential Pinion Thrust; Pinion Washer, Side Gear Washer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC K2500 | K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC K2500 Washer, Differential Drive Pinion Gear
Part Number: 517900
$5.98 MSRP: $8.73
You Save: $2.75 (32%)
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Product Specifications
- Other Name: WASHER, Propeller Shaft Pinion Flange; Pinion Bearing Spacer, Pinion Washer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC K2500 | K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC K2500 Washer, Differential Pinion Gear Thrust
Part Number: 3984818
$4.72 MSRP: $6.91
You Save: $2.19 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: WASHER, Differential Pinion Thrust; Pinion Washer, Thrust Washer, Washer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC K2500 Washer, Differential Png Thrust
Part Number: 14012699
$16.40 MSRP: $40.17
You Save: $23.77 (60%)
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Product Specifications
- Other Name: WASHER, Differential Pinion Thrust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 GMC K2500 | K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC K2500 Wa, Propeller Shaft Png Flange
Part Number: 15552845
$5.50 MSRP: $9.11
You Save: $3.61 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: WASHER, Propeller Shaft Pinion Flange
- Replaces: 02292300, 2292300
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2000 GMC K2500 | K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L
- 1988-1995 GMC K2500 | K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC K2500 Washer, Differential Pinion Gear Thrust
Part Number: 3977346
$21.44
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: WASHER, Differential Pinion Thrust; Pinion Washer, Side Gear Washer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC K2500 | K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC K2500 Differential Side Gear Shim
Part Number: 14063586
$4.35 MSRP: $7.21
You Save: $2.86 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SHIM, Differential Side Gear Thrust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC K2500 Differential Side Gear Thrust Washer
Part Number: 3977345
$4.75 MSRP: $6.96
You Save: $2.21 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: WASHER, Differential Side Gear Thrust; Side Gear Washer, Side Washer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC K2500 | K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC K2500 Washer, Differential Side Gear(Eaton Eds 99529).045 Thick LH
Part Number: 15599633
$6.66 MSRP: $10.62
You Save: $3.96 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SHIM, Differential Side Gear Thrust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC K2500 | K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC K2500 Washer, Differential Side Gear(Eaton Eds 99529).025 Thick LH
Part Number: 15599629
$6.58 MSRP: $10.91
You Save: $4.33 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SHIM, Differential Side Gear Thrust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC K2500 | K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC K2500 Washer,Locking Differential Clutch Disc Thrust
Part Number: 26012909
$9.32 MSRP: $14.67
You Save: $5.35 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: WASHER, Differential Side Gear Thrust; Side Washer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC K2500 Washer,Locking Differential Clutch Disc Thrust
Part Number: 26012913
$10.89 MSRP: $17.15
You Save: $6.26 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: WASHER, Differential Side Gear Thrust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC K2500 Washer, Differential Png Thrust
Part Number: 15588350
$1.93 MSRP: $3.20
You Save: $1.27 (40%)
ADD TO CART
Product Specifications
- Other Name: WASHER, Differential Pinion Thrust; Side Washer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1995 GMC K2500 | K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L
View related parts
GMC K2500 Washer, Differential Side Gear(Eaton Eda 99529).010 Thick LH
Part Number: 15599626
$4.82 MSRP: $7.58
You Save: $2.76 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: SHIM, Differential Side Gear Thrust; Side Washer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC K2500 | K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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GMC K2500 Washer, Differential Thrust (.048 Thick)
Part Number: 462772
$3.76 MSRP: $5.50
You Save: $1.74 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: WASHER, Differential Side Gear Thrust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC K2500 | K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
View related parts
GMC K2500 Washer, Differential Side Gear(Eaton Eds 99529).035 Thick LH
Part Number: 15599631
$4.82 MSRP: $7.62
You Save: $2.80 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: SHIM, Differential Side Gear Thrust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC K2500 | K2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
View related parts
GMC K2500 Washer, Pinion Thrust
Part Number: 14048388
Product Specifications
- Other Name: WASHER, Differential Pinion Thrust; Pinion Washer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
View related parts
GMC K2500 Differential Side Gear Shim
Part Number: 14063581
$1.12 MSRP: $1.76
You Save: $0.64 (37%)
Product Specifications
- Other Name: SHIM, Differential Side Gear Thrust; Side Washer, Washer
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
View related parts
GMC K2500 Differential Side Gear Shim
Part Number: 14063582
$0.45 MSRP: $0.70
You Save: $0.25 (36%)
Product Specifications
- Other Name: SHIM, Differential Side Gear Thrust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
View related parts
GMC K2500 Differential Side Gear Thrust Washer
Part Number: 1235873
$4.57 MSRP: $7.21
You Save: $2.64 (37%)
Product Specifications
- Other Name: WASHER, Differential Side Gear Thrust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 GMC K2500 | REGULAR CAB | 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel

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1-20 of 53 Results

GMC K2500 Pinion Washer

The Pinion Washer in the GMC K2500 secures the pinion shaft nut so the forces your drivetrain puts on the wheels or the steering system cannot shake this assembly loose. As a result, drivers enjoy responsive handling and leak-free performance. Manufactured utilizing tempered steel, drivers' Pinion Washer uniformly distributes torque at the flange, prevents galling, and provides lasting trustworthiness on all GMC pickups. Whether mounted at the front rack or rear differential, the Pinion Washer has bore, width, and shaft specs unique to the K2500, allowing enthusiasts to service early workhorses as well as later Vortec models. Earlier flat designs did their job, but the cupped upgrade on the later K2500 trucks provides spring tension to fight the vibration that can work the nut loose and damage the oil seal. As every Pinion Washer is machined to exacting tolerances, the installation retains lubricant, limits heat, and improves drivetrain efficiency, a vital advantage for a GMC towing or hauling at the top of its class. This component fits gasoline or diesel powered K2500 variants in multiple trims, so a single trusted part will do the trick for fleets or restorations with factory geometry. The Pinion Washer does its job behind the scenes with no noise whatsoever. However, it enhances the precision of steering and stabilizes the axle to ensure everyday safety as well as the rugged GMC. This specialized Pinion Washer features just the right amount of play with solid strength. As a result, the K2500 runs and runs without needing to retighten or downtime issues. By choosing the genuine Pinion Washer designed for your GMC, you ensure that every K2500, from snowplow setups to camper haulers, experiences dependable torque retention and smooth power delivery. This reliability makes the brand a frontrunner in durability discussions. Owners who value uptime swear by this Pinion Washer, which reinforces GMC's legacy of trucks that simply refuse to quit.

Each OEM GMC K2500 Pinion Washer we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

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