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

ARB Air Locker 28 Spline Differential GM 8.5 Inch RD221

Differential Carrier, Air Locker, Nodular Iron, GM 8.5 in., Kit

Part Number: ARB-RD221

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Yukon Gear & Axle Pinion Kits PK GM9.5-A

Ring and Pinion Installation Kit, 30 Spline, GM 9.5 in., Kit

Part Number: YGA-13075

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

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK024 GM 10.5 in. (14-bolt) Dana 60 5.38 Gears

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

Part Number: SPZ-40019

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 Axle Shafts, Direct Fit ZA K630137

Axle 9.5" GM REAR, '81-'95 TRK & '83-'96 G30 VAN, 32-3/4", 8 LUG, 33spl, RH, 1561 BRG

Part Number: SPZ-11947

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

Richmond Gear Differential Carrier Rebuild Kits XL-4048

Differential Carrier Gear Kit

Part Number: RMG-XL-4048

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 Differential Carrier Rebuild Kits XL-4062

Differential Carrier Gear Kit

Part Number: RMG-XL-4062

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

Powertrax Differential Carrier Replacement Parts 1920604SAJ

SPACER

Part Number: PWT-1920604SAJ

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 1950604SBS

Differential Rebuild Kit, Active Spacer

Part Number: PWT-1950604SBS

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 8011001ZAT

Spring, SPRING,COMPRSN, .25D,250 LB/IN

Part Number: PWT-8011001ZAT

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 8021001ZBG

Spring, SPRING,COMPRSN,15 LB/IN,IN, NS

Part Number: PWT-8021001ZBG

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 8031001ZAV

Spring, SPRING,COMPRSN, 500 LB/IN,OUTR

Part Number: PWT-8031001ZAV

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

Eaton Master Differential Installation Kits K-GM9.5-96

Ring and Pinion Installation Kit, GM 9.5 in., Rear, Chevrolet, GMC, Kit

Part Number: ETN-K-GM95-96

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

USA Standard Gear Differential Carrier Replacement Parts SL SPRING-SM

SPRING AND PIN KIT

Part Number: SPZ-17011

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 Sets ZG GM14T-456 GM 10.5 in. (14-bolt) 4.56 Gears

USA Standard Ring & Pinion gear set for 10.5" GM 14 bolt truck in a 4.56 ratio

Part Number: SPZ-36184

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 Sets ZG GM14T-513T GM 10.5 in. (14-bolt) 5.13 Gears

Ring and Pinion Gears, 5.13:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: SPZ-36187

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

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-208 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-208

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

Motive Gear Differential Pinion Nuts 15994582

Pinion Nut

Part Number: MGR-15994582

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM9.5-411 GM 9.5 in. 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 9.5 in., Chevy, GMC, Hummer, Saab, Rear, Set

Part Number: SPZ-36225

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

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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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK044 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-40020

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 Differential Carrier Replacement Parts YSPTW-046

14T 10.5" GM P/G T/W

Part Number: YGA-33384

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 Cross Shafts YSPXP-037

14T 10.5" GM STD X/PIN SHAFT, CROSS TYPE FOR 4 PIN DESIGN

Part Number: YGA-33405

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 Mini Spools YP MINSGM14T-30

Spool, Mini, 30-spline, Steel, GM 10.5 in. (14-bolt), Each

Part Number: YGA-32301

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

Motive Gear Differential Cross Shafts and Fasteners 3663696

Cross Pin, GM, 14-Bolt, 10.5 in. Each

Part Number: MGR-3663696

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

Motive Gear Differential Pinion Shims GM14SK

Pinion Shims, Steel, GM, 10.5 in., Kit

Part Number: MGR-GM14SK

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

Motive Gear Super Ring and Pinion Gear Installation Kits R10RASKT

Ring and Pinion Installation Kit, Super Kit, GM, 8.5 in., Kit

Part Number: MGR-R10RASKT

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