1981 GMC K1500 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

Yukon Gear & Axle 1541H Alloy Axles YA D660276-1

Axle Shaft, Front Inner, Driver Side, 1541H Alloy Steel, 28-spline, GM 8.5 in., Each

Part Number: YGA-21122

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

B&M Holeshot 3,400-3,800 Stall Torque Converter 20425

Torque Converter, Holeshot, 3,400-3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20425

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

Motive Gear Ten Factory Axle Shafts MG20127B

Axle Shaft, Direct Fit, 4340 Chromoly, 19-Spline, 9.940 in. Length, Chevy, GMC, Jeep, Each

Part Number: MGR-MG20127B

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

SVL Drivetrain Products Differential Carrier Rebuild Kits and Spider Gears 10020478

Differential Inner Gear Kit; GM 8.5 - 30 Spline, Open Diff

Part Number: SVL-10020478

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Powertrax Replacement Active Spacers 624004SDG2

Spacer, Replacement, Active Spacer, Each

Part Number: PWT-624004SDG2

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Yukon Gear & Axle Bearing Kits BK GM8.5

Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-11067

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

QuickTime 168-Tooth Flexplate RM-902

Flexplate, 168 Tooth, Internal Balance, 2-Piece Rear Main Seal, Steel, Chevy, Each

Part Number: QTI-RM-902

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

Powertrax Grip Pro Traction Systems GM 8.5 Inch GT201028

Differential, Grip Pro Traction System, 28-Spline, GM 8.5 in., Each

Part Number: PWT-GT201028

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Richmond Gear Spool Bearings 29-0005-1

Carrier Bearings, GM 12 Bolt

Part Number: RMG-29-0005-1

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Yukon Gear & Axle Differential Carriers YDGGM12T-4-33-1

DIFFERENTIAL CARRIER

Part Number: YGA-11241

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

FTI Performance SR Series 3,800 Stall Torque Converter SR7082

GM NON LOCK-UP TH350, TH400 3600-3800 STALL

Part Number: FTI-SR7082

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Hays Street 650 Clutch Conversion Kits 92-1103

Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Lever, 1.125 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1103

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Timken Transmission Shift Shaft Seals 240735

SEAL

Part Number: TMK-240735

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman U-Joint Fasteners 929-722

U-Bolt Repair Kit

Part Number: RNB-929-722

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Motive Gear Differential Pinion Gear Thrust Washers 3880141

WASHER PIN GR 12BLT 8 7/8

Part Number: MGR-3880141

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Richmond Gear Full Spools 81-1030-1

Spool, Full Size, Steel, 30-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: RMG-81-1030-1

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Dorman Axle Shafts 630-102

Axle, Rear, 28-Spline, 31.313 in. Length, Chevy, GMC, 8.50 in. Axle, Each

Part Number: RNB-630-102

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Richmond Gear Cross Pins and Shafts CSPGM85

Cross Shaft Pin, Mini Spool, GM, 8.5 in., 28-Spline, Each

Part Number: RMG-CSPGM85

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

FAG USA Wheel Bearing Seals SS2698

Seal Various Makes 64-14

Part Number: FWB-SS2698

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-308 GM 8.5/8.6 in. 3.08 Gears

Ring and Pinion Gears, 3.08:1 Ratio, 30-spline, Standard Rotation, GM 8.5/8.6 in., Set

Part Number: YGA-24492

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Yukon Gear & Axle Crosspin Bolts YSPBLT-065

Crosspin Bolt, Each

Part Number: YGA-33344

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Richmond Gear EXCel Pinion Yokes 96-2511

Pinion Yoke, Bolt-On, Steel, 1350, 30-Spline, GM 8.875, Each

Part Number: RMG-96-2511

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 GM12T

Yukon Pinion install kit for GM 12 bolt truck differential

Part Number: YGA-13057

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Yukon Gear & Axle Ring Gear Bolts YSPBLT-016

Ring Gear Bolt, Hex Head, 3/8-24 in. Thread Size, Steel, Natural, GM 8.2 in., Each

Part Number: YGA-33046

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

TCI PRO-X TH400 Center Support Rings 223603

TCI PRO-X TH400 Center Support Rings 223603

PRO-X TH400 CENTER SUPPORT RING

Part Number: TCI-223603

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today