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

Richmond Gear Ring and Pinion Sets 69-0175-1 GM 8.5/8.6 in. 5.57 Gears

Gear, Ring and Pinion, 5.57:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901751

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

Centerforce DFX Clutch Kits 315735552

Clutch Kit, DFX, Performance, Single Disc, 10-Spline, 1.125 in. Diameter, 11 in. Disc Diameter, Cerametallic, 6-Paddle, Sprung Hub, Kit

Part Number: CTF-315735552

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

SKF Bearings Axle Spindle Bearings BK1

Caged needle roller bearing

Part Number: SKF-BK1

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

Yukon Gear & Axle Full Spools YP FSGM12T-4-30

Yukon steel spool for GM 12 bolt truck with 30 spline axles, 3.73 & up

Part Number: YGA-32190

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-043

Thrust Washer, Differential Carrier Replacement Part, GM 8.875 in. (12-bolt), Each

Part Number: YGA-33381

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

USA Standard Gear Ring and Pinion Sets ZG GM8.5-430 GM 8.5/8.6 in. 4.30 Gears

Ring and Pinion Gear, 4.30:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36217

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

Centerforce Aluminum 168-Tooth Flywheel 901120

Flywheel, Billet Aluminum, 168-Tooth, Internal Engine Balance, SFI 1.1, Chevy, Each

Part Number: CTF-901120

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Timken Axle Seals 722108

Axle Seal, Each

Part Number: TMK-722108

3.0 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

McLeod 1400 Series Hydraulic Throwout Bearings 14065-10

Throwout Bearing, 1400 Series, Hydraulic, 1.250 in. Diameter, Billet Aluminum Bearing, Includes Master Cylinder and Hardware, Mopar, A833, Each

Part Number: MCL-14065-10

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Motive Gear Light-Duty Axle Shafts 14039547

Axle Shaft, OEM Replacement, Rear, C-clip, 1541H Alloy Steel, 28-spline Inner, 31.500 in. Length, Chevy, Each

Part Number: MGR-14039547

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

Hays Street 450 Clutch Conversion Kits 91-1006

Clutch Kit, Hays Street 450 Clutch, 10-spline, 12 in. Disk, Diaphragm Pressure Plate, Chevy/GMC, Kit 10-spline

Part Number: HAY-91-1006

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

B&M Automatic Transmission Filter Extensions 30284

Transmission Filter Extension, Cast Aluminum, for BMM-30280/BMM-30289, Each

Part Number: BMM-30284

5.0 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

Yukon Gear & Axle Ring and Pinion Sets YG GM12T-488 GM 8.5/8.875 in. (12-bolt) truck 4.88 Gears

High performance Yukon Ring & Pinion gear set for GM 12 bolt truck in a 4.88 ratio

Part Number: YGA-24133

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

PRW Pressure Plate Fasteners 1050101

Pressure Plate Bolts, 12 Point, 4135 Chromoly, Black Oxide, Chevy, Big, Small Block, Kit

Part Number: PQX-1050101

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

USA Standard Gear Bearing Kits ZPKGM8.5

8.5" GM PINION KIT, KOYO BRGS

Part Number: SPZ-60012

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

Motive Gear Basic Ring and Pinion Gear Installation Kits R10RTPK

Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RTPK

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

Dura-Bond Automatic Transmission Bushings 44034TG

Transmission Bushing, Actual OD - 2.0035; Length - 0.605; Max Wall - 0.0622

Part Number: DUR-44034TG

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 Spider Gear Kits 10020477

Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, Rear, Open, 28-spline, 10-bolt, GM 8.5 in., Kit

Part Number: SVL-10020477

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-044

Thrust Washer, Positraction Differential, GM 8.875 in. Passenger Car, Truck, Each

Part Number: YGA-33382

3.33 out of 5 stars ( 3 )

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

Hurst Ring and Pinion Sets 02-127 GM 8.875 in. (12-bolt) truck 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 12-Bolt Truck, Set

Part Number: HUU-02-127

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

USA Standard Gear Ring and Pinion Sets ZG GM12T-456T GM 8.875 in. (12-bolt) truck 4.56 Gears

USA Standard Ring & Pinion "thick" gear set for GM 12 bolt truck in a 4.56 ratio

Part Number: SPZ-36180

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

Yukon Gear & Axle Mini Spools YP MINSGM8.5-28

Mini Spool, Steel, 28-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32232

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Anchor Industries Driveshaft Center Support Bearings 6038

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

Part Number: ANI-6038

1.0 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

VEGE Remanufactured 1,200 Stall Torque Converter TQBU6

Torque Converters, Remanufactured, OEM Style, 1.875 in. Slotted Hub, 6 Pad Mount, 13 in. Diameter, 1,200 Stall, Avanti, Checker, Excalibur, GM, Each

Part Number: CCV-TQBU6

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Yukon Gear & Axle Differential Cover Bolts YSPBLT-075

Differential Cover Bolt, Steel, Black, Hex Head, 0.500 in. Wrench Size, Dana 25, 27, 30, 44, Model 35, GM 7.5 in., GM 8.2 in., Each

Part Number: YGA-33286

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