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

Richmond Gear Complete Ring and Pinion Installation Kits 83-1063-1

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

Part Number: RMG-83-1063-1

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 Gear Installation Kits XL-1020-1

Ring and Pinion Kit

Part Number: RMG-XL-1020-1

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

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

Alloy USA Differential Master Overhaul Kits 352021

Ring and Pinion Gear Installation Kit, 10-Bolt, 30 Pinion Spline Count, Gear Rotation Standard, Chevy, GMC, Buick, Pontiac, Oldsmobile, Cadillac, Kit

Part Number: ALY-352021

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

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

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

USA Standard Gear Ring and Pinion Sets ZG GM8.5-538 GM 8.5/8.6 in. 5.38 Gears

Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: SPZ-36221

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK020 GM 10.5 in. (14-bolt) Dana 60 4.88 Gears

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

Part Number: SPZ-40017

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

USA Standard Gear Axle Shafts ZA W24120

GM 8.5" 28spl FRONT AXLE KIT, w/ Super-Joint, 79-87 1/2TON TRK & BLAZER (ASSM_REQ)

Part Number: SPZ-35130

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

USA Standard Gear Spartan Locker Replacement Crosspins SL XP-GM8.5

Crosspin, Replacement, Steel, Spartan, GM 8.5 in., Each

Part Number: SPZ-17024

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

USA Standard Gear Spools and Mini Spools ZP MINSGM8.5-28

8.5" GM 28spl MINI SPOOL

Part Number: SPZ-59011

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-273 GM 8.5/8.6 in. 2.73 Gears

Gear, Ring and Pinion, 2.73:1, GM, 8.5 in., 8.6 in., Set

Part Number: SPZ-36346

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 Spider Gear Sets ZIKGM8.5-S-30

USA Standard Gear standard spider gear set for GM 8.5", 30 spline

Part Number: SPZ-39027

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 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 Crosspin Bolts YSPBLT-063

9.5" & 9.25IFS GM X/PIN BOLT, STD & G/L, M10x1.5 THREAD

Part Number: YGA-33342

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 Replacement Parts YSPTW-045

14T 10.5" GM S/G T/W

Part Number: YGA-33383

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 1541H Alloy Axles YA BFF35-40-ND

Axle Shaft, 35-Spline, 40 in. Length, Rear, Dana 60, Chevy, GMC, Jeep, Plymouth, Each

Part Number: YGA-21005

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

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: SPZ-36185

1.0 out of 5 stars ( 1 )

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 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 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 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 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