1981 CHEVROLET K20 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

Richmond Gear Differential Carrier Rebuild Kits XL-4060

Differential Carrier Gear Kit

Part Number: RMG-XL-4060

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 Mini Spools XL-5140

Mini Spool, MINI SPOOL GM 10 BOLT 8.5"

Part Number: RMG-XL-5140

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

ATP Automotive Flexplates Z-460

AT HD FLEX PLATE

Part Number: ATP-Z460

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

Richmond Gear EXCel Ring and Pinion Sets 12BT456 GM 8.875 in. (12-bolt) truck 4.56 Gears

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT456

5.0 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

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

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

Not Yet Reviewed

Estimated Ship Date: Today

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Dana Spicer Drivetrain Products Yokes 10025466

PINION YOKE

Part Number: SDH-10025466

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

VEGE Remanufactured Stock Stall Torque Converter TQBU16AL

Torque Converters, Remanufactured, OEM Style, 1.875 in. Slotted Hub, 3 Pad Mount, 12.00 in. Diameter, Stock Stall, 30 Spline Input, GM, Each

Part Number: CCV-TQBU16AL

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

VEGE Remanufactured 1,700-1,800 Stall Torque Converter TQBU3HS

Torque Converters, Remanufactured, OEM Style, 1.875 in. Slotted Hub, 3 Pad Mount, 13 in. Dia., 1,700-1,800 Stall, Avanti, Checker, Excalibur, GM, Each

Part Number: CCV-TQBU3HS

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 Differential Clutch Sets YPKGM14T-PC-14

Differential Clutch, Carbon Fiber Pack, Posi, GM, 8.875 in., Set

Part Number: YGA-16112

5.0 out of 5 stars ( 1 )

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 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 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: Today

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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

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

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

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 Pinion Nuts 15994582

Pinion Nut

Part Number: MGR-15994582

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

RAM Concept 9.5 Dual Disc Clutch Kits with Billet Flywheel 75-2120NS

Clutch Kit, Force 9.5 Dual Disc, Metallic Disc, 1 1/8 in. 10 Spline Disc, Steel Flywheel, Chevy, GMC, Kit

Part Number: RAM-75-2120NS

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

RAM Concept 9.5 Dual Disc Clutch Kits with Billet Flywheel 75-2120S

Clutch Kit, Force 9.5 Dual Disc, Organic Disc, 1 1/8 in. 10 Spline Disc, Steel Flywheel, Chevy, GMC, Kit

Part Number: RAM-75-2120S

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

RAM Pro Street Dual Disc Clutches 60-2120

RAM Pro Street Dual Disc Clutches 60-2120

Clutch Kit, Pro Street Dual Disc, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Flywheel, Chevy, GMC, Kit

Part Number: RAM-60-2120

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

RAM Pro Street Dual Disc Clutches 60-2120N

Clutch Kit, Pro Street Dual Disc, 1.125 in. - 10-spline, Metallic Disc, Pressure Plate, Flywheel, Chevy, GMC, Kit

Part Number: RAM-60-2120N

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

RAM Pro Street Dual Disc Clutches 60-2120NS

Clutch Kit, Pro Street Dual Disc, 1.125 in. - 10-spline, Metallic Disc, Pressure Plate, Flywheel, Chevy, GMC, Kit

Part Number: RAM-60-2120NS

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