1981 CHEVROLET K20 Differential & Rear-End Components

Differential Carrier Rebuild Kit, GM 10.5 in. (14-Bolt), Rear, Open Carrier, Dura Grip, Chevy, GMC, Kit

Part Number: YGA-16167

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Pinion Nut, Steel, Each

Part Number: YGA-33152

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-342

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Carrier Installation Kit, GM 9.5/9.76, Bearings, Races, Shims, Kit

Part Number: YGA-57015

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Bearing Race, Differential Pinion, 3.000 in. Diameter, Each

Part Number: TMK-HM89410

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Differential Carrier Bearing, Steel, Each

Part Number: TMK-SET42

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Pinion Bearing, 1.750 in. Inside Diameter, Each

Part Number: TMK-HM803149

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Hub Service Kit, Premium, Chevy, GMC, Dodge, Ford, International, Jeep, Kit

Part Number: WRN-20825

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

DIFFERENTIAL

Part Number: MGR-MGK-213

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Axle Shaft, Outer Stub, 1541H, 19 Spline, 9.94 in. Length, Dana 44, Each

Part Number: YGA-21086

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Axle Shaft, Cut-To-Fit, Rear, 30-spline, 38.200 in./42.200 in., GM 10.5 in. (14-bolt), GM 11.5 in.

Part Number: YGA-21641

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential Cover, 10-bolt, Steel, Chrome, GM 8.5 in., Front Only, Each

Part Number: YGA-32016

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Axle Shaft, Rear, 4340 Chromoly, 30-spline, 35.000 in. Length, Full Floating, GM 10.5 in (14-bolt), GM 11.5 in

Part Number: YGA-21716

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential, Lock-Right, Locker, 33-Spline, GM, 9.2 in./9.5 in., Each

Part Number: PWT-1950-LR

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 2.73:1 Ratio, GM 8.5 in., Set

Part Number: RNB-697-812

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential, Auburn, Locker, Select-A-Loc, 35-Spline, Dana 60, 10-Bolt, Each

Part Number: AUB-545023

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Ring and Pinion Installation Kit, GM, 10-Bolt, 8.5 in. Diameter Ring Gear, 30-Spline Pinion, Kit

Part Number: RMG-831021B

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Pinion Bearing Race, 2.844 in. Diameter, Each

Part Number: TMK-HM88610

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Differential Carrier Bearing, Races Included, Koyo Bearing, Steel, Set

Part Number: MGR-706016XR

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Differential Shims, Pinion Shim Type, Steel, Set

Part Number: MGR-1100

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Replacement Springs, Powertrax Lock-Right, Kit

Part Number: PWT-1025350KAP

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Bearing Race, Differential Pinion, 3.750 in. Diameter, Cadillac, Each

Part Number: TMK-HM804810

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901711

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential, No-Slip Traction System, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-9207852805

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, 3 Series, Set

Part Number: RMG-4900721

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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