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

Centerforce SST Clutch and Flywheel Kits 412614820

Clutch and Flywheel Kit, SST, 1 1/8 in. Diameter Shaft, 26-Spline, 10.4 in. Diameter Disc, Chevy, Kit

Part Number: CTF-412614820

Not Yet Reviewed

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

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

Yukon Gear & Axle Differential Pinion Nuts YSPPN-018

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

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

FAG USA Wheel Bearings DB0669

Wheel Bearings, Tapered Roller, Steel, 1.313 in. Inside Diameter, 2.687 in. Outside Diameter, Each

Part Number: FWB-DB0669

Not Yet Reviewed

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

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

Motive Gear Ring and Pinion Sets GM10-342 GM 8.5/8.6 in. 3.42 Gears

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

Dorman Clutch Pilot Bushings and Bearings 14650

Clutch Pilot Bushing, Solid, Powdered Metal, Each

Part Number: RNB-14650

3.71 out of 5 stars ( 7 )

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

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

Yukon Gear & Axle Carrier Installation Kits CK GM9.5

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

Part Number: YGA-57015

Not Yet Reviewed

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

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

McLeod Steel 153-Tooth Flywheel 460320

Flywheel, Steel, 153-Tooth, 20 lb., Internal Engine Balance, Chevy, Each

Part Number: MCL-460320

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

ATP Flywheel and Flexplate Ring Gears ZA-500

Flexplate Ring Gear, 168-Tooth, Replacement, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-ZA500

4.83 out of 5 stars ( 12 )

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

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

Pioneer Automatic Transmission Kickdown Cables CA-1933

Detent Cable, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PIO-CA-1933

5.0 out of 5 stars ( 1 )

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

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

Timken Pinion Bearing Races HM89410

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

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

Hays Classic Conversion Clutch Kits 83-1102

Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 11 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1102

5.0 out of 5 stars ( 1 )

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

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

Yukon Gear & Axle Differential Pinion Yokes YY GM15579602

Differential Pinion Yoke, 30-spline Inner, 1350, Steel, GM 9.5 in., Each

Part Number: YGA-41077

3.0 out of 5 stars ( 2 )

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

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

ATP Detent Cables Y-754

Detent Cable, Adjustable, 28-48 in. Length, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each

Part Number: ATP-Y754

4.14 out of 5 stars ( 14 )

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

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

Timken Differential Bearings SET42

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

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

Fidanza Billet Aluminum 168-Tooth Flywheel 198681

Fidanza Billet Aluminum 168-Tooth Flywheel 198681

Flywheel, Aluminum, 13.5 lbs., Chevy, Each

Part Number: FIZ-198681

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Timken Pinion Bearings HM803149

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

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

Yukon Gear & Axle U-Joint Straps YY STR-007

U-Joint Straps, Spicer 1350-1410 Style, Differential Location, GM 10.5 in. (14-bolt), Each

Part Number: YGA-41200

5.0 out of 5 stars ( 2 )

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

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

Timken Axle Bearings 25523

Bearing Race, Axle, Outer, Each

Part Number: TMK-25523

Not Yet Reviewed

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

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

Warn Service Kits 20825

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

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

Yukon Gear & Axle 1541H Alloy Axles YA D41677

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

Yukon Gear & Axle 14 Bolt GM 10.5 Inch Differential Cover YHCC-GM14T-S

Differential Cover, 14-bolt, Nodular Iron, Black Powdercoated, GM 10.5 in. (14-bolt), Chevrolet, GMC, Each

Part Number: YGA-29105

5.0 out of 5 stars ( 1 )

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

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

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-213 GM 8.5 in. 4.56 Gears

DIFFERENTIAL

Part Number: MGR-MGK-213

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Yukon Gear & Axle Cut-to-Fit Axle Shafts YA GM14T-30-42

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

Anchor Industries Driveshaft Center Support Bearings 6056

Driveshaft Support Bearing, Rubber, Black, Chevy, Dodge, Ford, GMC, Each

Part Number: ANI-6056

5.0 out of 5 stars ( 1 )

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

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

American Powertrain Hydramax Hydraulic Clutch Release Systems CAGM-40007

Hydraulic Throwout Bearing Conversion Kits, American Powertrain Hydramax Hydraulic Clutch Release Systems, Pedal Kit, Chevrolet, GMC, Sold as a Kit

Part Number: AWR-CAGM40007

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today