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

National Bearing Axle Spindle Bearings NNTSBK1

Axle Spindle Bearing, Front, Steel, Each

Part Number: NTL-SBK1

5.0 out of 5 stars ( 1 )

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Richmond Gear Crush Sleeves 19-0004-1

Differential Crush Sleeve; Fits GM 8.5 in.

Part Number: RMG-19-0004-1

5.0 out of 5 stars ( 1 )

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USA Standard Gear Spider Gear Sets ZIKGM8.5-S-28

Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, 28-spline, 10-bolt, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: SPZ-39026

5.0 out of 5 stars ( 1 )

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Dura-Bond Automatic Transmission Bushings GMT-3-2TG

Automatic Transmission Bushings, Extension Housing, GM Transmission, Each

Part Number: DUR-GMT-3-2TG

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Yukon Gear & Axle Pinion Nut Washers YSPPN-033

Pinion Nut Washer, GM, Each

Part Number: YGA-33167

5.0 out of 5 stars ( 2 )

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Yukon Gear & Axle 28/30 Spline Differential Carrier Cases GM 8.5 Inch YC G26010481-XHD

Differential Carrier Cases, Extreme Heavy Duty, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20084

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Lokar Transmission Kickdown Brackets XKDB-4350

Lokar Transmission Kickdown Brackets XKDB-4350

Automatic Transmission Kickdown Bracket, Carburetor, Chevy, TH350, Each

Part Number: LOK-XKDB-4350

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Yukon Gear & Axle Ring and Pinion Sets YG GM12T-456 GM 8.875 in. (12-bolt) truck 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.875 in. Truck, Set

Part Number: YGA-24132

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Hays Twister Full Race 2,400-2,800 Stall Torque Converter 97-1D24F

Torque Converters, Twister Full Race, 2,400-2,800 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D24F

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

TCI PRO-X Transmission Overflow Canisters 228005

Transmission Overflow Tank, Pro-X, Aluminum, Black, 1 qt. Capacity, GM TH400, Each

Part Number: TCI-228005

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FTI Performance MR Series 3,800 Stall Torque Converter MR7082

Torque Converters, MR Series, Hard Hitting, 1.703 in. Crank Pilot Diameter, 30-spline, 9.500 in. Diameter, Race Usage, TH350, TH400, Each

Part Number: FTI-MR7082

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USA Standard Gear Ring and Pinion Sets ZG GM8.5-390 GM 8.5/8.6 in. 3.90 Gears

Ring and Pinion Gear, 3.90:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36215

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Moog U-Joint Fasteners 360-10

U-Bolts, Steel, Fits 354, 368, 369, 455, and 455 U-Joints, Pair

Part Number: MOG-360-10

3.0 out of 5 stars ( 2 )

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Dorman Flywheel Fasteners 14557

Flywheel Fasteners, 12-point, 7/16-20 in. Thread, Steel, Black, AMC, Ford, GM, Set of 6

Part Number: RNB-14557

4.0 out of 5 stars ( 4 )

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B&M Nitrous Holeshot 3,400-3,800 Stall Torque Converter 20482

Torque Converter, Nitrous Holeshot,3.400 3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20482

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

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Hughes Performance Billet 3,500 Stall Torque Converter GM35BILLET

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RAM Premium Replacement Clutch Kits 88793

Clutch Kit, Organic, 1 1/8 in.- 10-Spline, 12 in. Disc, Chevy/GMC, Pickup, SUV, Van, 5.0, 5.7, 7.4L, Kit

Part Number: RAM-88793

5.0 out of 5 stars ( 2 )

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ATP Detent Cables Y-233

Detent Cable, Black, 38.0 in. Length, for TH250C or TH350C, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-Y233

4.5 out of 5 stars ( 16 )

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Sachs Stock Replacement 168-Tooth Flywheel NFW1007

Flywheel, Replacement, 168-tooth, 6-bolt, Cast Iron, 14.150 in. Diameter, Chevrolet, Each

Part Number: SXR-NFW1007

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FAG USA Multi-Purpose Oil Seals SS2569

Seal, Nitrile Rubber, Red, 1.50 in. Shaft, Each

Part Number: FWB-SS2569

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Hurst Ring and Pinion Sets 02-126 GM 8.875 in. (12-bolt) truck 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 12-Bolt Truck, Set

Part Number: HUU-02-126

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Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

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Richmond Gear Ring and Pinion Sets 49-0068-1 GM 8.875 in. (12-bolt) truck 3.08 Gears

5 out of 5 stars ( 3 )

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TransGo Automatic Transmission Rebuild Components 400 RK

Specialty Components, TH400 Reverse Cushion Kit

Part Number: TRG-400RK

Not Yet Reviewed

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TCI High-Flow Transmission Filter Kits 328505

System High Flow Filter GM TH350

Part Number: TCI-328505

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ACT Throwout Bearings RB466

Throwout Bearing, Diaphragm, 1.125 in. Shaft Diameter, Chevy, Buick, GMC, Each

Part Number: ACL-RB466

5.0 out of 5 stars ( 1 )

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Dorman Pinion Shaft Fasteners 81048

Differential Shaft Lock Bolt, Steel, Cadillac, Chevy, GMC, Ford, Mercury, Each

Part Number: RNB-81048

5.0 out of 5 stars ( 6 )

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ACDelco Gold Universal Joints 19470445

Universal Joint, Steel, GM, Mopar, Ford, Isuzu, Jeep, Lincoln, Mercury, Saab, Each

Part Number: ADO-45U0108

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