1981 CHEVROLET K20 Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

Powertrax Cross Shaft Pins 3991055RDZ

Pinion Shaft, SHAFT, SHORT, RDZ, 3991055

Part Number: PWT-3991055RDZ

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 4211005

GAUGE RING

Part Number: PWT-4211005

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Powertrax Replacement Drivers 424003DGE2

SLOTTED DRIVER

Part Number: PWT-424003DGE2

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-207 GM 8.5/GM 8.875 in. (12-bolt) truck 3.73 Gears

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-207

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Dorman Axle C-Clips 13851

Rear Axle Shaft C-Clip Locks

Part Number: RNB-13851

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Rugged Ridge Manual Locking Hubs 15001.18

Locking Hubs, Manual, Cast Aluminum, Dodge, Ford, GMC, Jeep, Pair

Part Number: RGG-1500118

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-033

Standard open side gear and thrust washer for 9.5" GM

Part Number: YGA-33303

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Yukon Gear & Axle Full Spools YP FSGM14T-3-30

Spool, Full, Steel, 30-spline, 14-bolt, GM 10.5 in., 4.10 Gear Ratio and Down, Each

Part Number: YGA-32048

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Yukon Gear & Axle Ring Gear Bolts YSPBLT-017

Ring Gear Bolt, Hex Head, 12mm x 1.50 Thread Size, Steel, Natural, Each

Part Number: YGA-33047

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Yukon Gear & Axle Pinion Shims SK GM9.5

Pinion depth shims for Chrysler 8.75", 9.25", GM 9.5" & Ford 10.25"

Part Number: YGA-55059

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Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM9.5-373 GM 9.5 in. 3.73 Gears

USA Standard Ring & Pinion gear set for GM 9.5" in a 3.73 ratio

Part Number: SPZ-36224

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

USA Standard Gear Master Overhaul Kits ZK GM9.5-A

USA Standard Master Overhaul kit for the '79-'97 GM 9.5" differential

Part Number: SPZ-37062

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

USA Standard Gear Bearing Kits ZBKGM14T-A

Ring and Pinion, Installtion Kit, GM, 10.5 in., Kit

Part Number: SPZ-58046

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK022 GM 10.5 in. (14-bolt) Dana 60 5.13 Gears

This is a complete package that includes front & rear ring & pinion sets along with the most complete master o

Part Number: SPZ-40018

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

USA Standard Gear Master Overhaul Kits ZK GM14T-A

USA Standard Master Overhaul kit for the '88 and older GM 10.5" 14T differential

Part Number: SPZ-37044

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Yukon Gear & Axle Minimum Install Kits MK GM8.5-F

Ring and Pinion Gear Installation Kit, Minimum Install, 30-spline, Standard Rotation, Front, GM 8.5 in. (Truck, Front), Kit

Part Number: YGA-12056

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Yukon Gear & Axle Bearing Kits BK GM14T-A

Yukon Bearing install kit for '88 and older 10.5" GM 14 bolt truck differential

Part Number: YGA-11056

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Yukon Gear & Axle Bearing Kits BK GM8.5-HD-F

Yukon Bearing install kit for GM 8.5" HD front differential

Part Number: YGA-11070

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Yukon Gear & Axle Pinion Installation Kits PK GM14T-A

Yukon Pinion install kit for '88 and older 10.5" GM 14 bolt truck differential

Part Number: YGA-13058

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Bearings YB PB-004

14T 10.5" PILOT BEARING (2.050" OD)

Part Number: YGA-18041

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Yukon Gear & Axle Super Carrier Shims YPKGM9.5-PC-SHI

Eaton positraction Shim kit for 9.5" GM

Part Number: YGA-16059

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Powertrax Grip Pro Traction Systems GM 8.875 Inch (12-bolt), truck GT238730

Differential Carrier, Rear - Grip Pro GM 8.875" Truck 30 Spline 2.76-3.42

Part Number: PWT-GT238730

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM95342 GM 9.5 in. 3.42 Gears

Ring and Pinion Kit

Part Number: RMG-GM95342

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM95410 GM 9.5 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM 9.5 in., Set

Part Number: RMG-GM95410

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Yukon Gear & Axle Ring and Pinion Sets YG GM9.5-411 GM 9.5 in. 4.11 Gears

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-209 GM 8.5/GM 8.875 in. (12-bolt) truck 4.11 Gears

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-209

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today