1981 GMC K1500 Transmission & Drivetrain

Automatic Transmission Pan, Stock, Steel, Chrome, GM TH400, Each

Part Number: TCI-228011

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Today

Torque Converter, Nitrous Holeshot, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20481

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Differential Carrier Bearings, Standard Replacement, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each

Part Number: TMK-LM501349

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Clutch Kit, Organic, 1 1/8 in.- 10-Spline, 12 in. Disc, Chevy/GMC, Pickup, SUV, Van, L6, V8, Kit

Part Number: ZZZ-MU9091-1

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Automatic Transmission Pan, Stock, Aluminum, Polished, GM, TH400, Each

Part Number: TCI-228010

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Ring and Pinion Gears,Yukon Gear & Axle 8.875" GM 12 Bolt Truck, 3.08 Ratio Rear Ring & Pinion Gea

Part Number: YGA-10631

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., Kit

Part Number: MGR-R10RMKT

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Flywheel, 90.9mm Crankshaft Bolt Circle, 12mm Bore, 320mm Pressure Plate Bolt Circle, Dual Pattern, 63mm Pilot I.D., 30.2mm Thick, No Dowels, GM, Each

Part Number: LUK-LFW101

3.8 out of 5 stars ( 10 )

Estimated Ship Date: Today

U-Joint, Spicer 1350-1410 Style, Steel, Each

Part Number: YGA-42006

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Transmission Pan, Deep, Steel, EDP Coated Black, GM TH400, Each

Part Number: MRG-9786BMRG

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Clutch Kit, Centerforce I, 1.125 in. - 26-spline, Organic Disc, Buick, Chevy, Kit

Part Number: CTF-KCF524816

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Axle Bearing, Each

Part Number: TMK-25590

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Differential Carrier Bearings, Steel, Races, Shims, Rear, GM 8.6 in., GM 8.875 in., Kit

Part Number: YGA-57010

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 12-Bolt Truck, 3 Series, Set

Part Number: RMG-4900681

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Universal Joint, S44/GM 3RL Style, Greasable, Steel, Each

Part Number: MOG-534G

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, GM, 8.5 in., GM, Kit

Part Number: MGR-R10R

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

Clutch Fork, Steel, Zinc Chromate, Buick, Chevy, GMC, Oldsmobile, Pontiac, L6, V6, V8, Each

Part Number: LAK-15500

3.14 out of 5 stars ( 22 )

Estimated Ship Date: Today

Differential Shims, Carrier Type, 2.25 in. I.D., 3.00 in. O.D., Steel, Dodge, Ford, GM, Hummer, Isuzu, Jeep, Lincoln, Mazda, Mercury, Saab, Kit

Part Number: MGR-SS12

4.0 out of 5 stars ( 15 )

Estimated Ship Date: Today

Automatic Transmission Kickdown Cable, Midnight Series Hi-Tech, Black Braided Stainless Steel, Black Aluminum Fittings, Trim To Fit, GM, TH350, Kit

Part Number: LOK-XKD-2350HT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Differential Pinion Yoke, 1350, 30 Spline, Forged Steel, GM, 8.875 in., Each

Part Number: YGA-41069

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, 4 Series, Set

Part Number: RMG-4902801

4.0 out of 5 stars ( 12 )

Estimated Ship Date: Today

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U-Joint Straps, Spicer 1310 Style, Steel, Natural, Bolts, GM 8.875 in., Kit

Part Number: YGA-41196

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885488

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 12-Bolt Truck, 4 Series, Set

Part Number: RMG-6902041

Not Yet Reviewed

Estimated Ship Date: Today

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Cable, TV/Kickdown, GM, TH250, TH350, Carburetor, Each

Part Number: TCI-376900

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Today