1989 GMC K1500 Transmission & Drivetrain

Differential, Lock-Right, Locker, 33-Spline, GM, 9.2 in./9.5 in., Each

Part Number: PWT-1950-LR

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16041

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Throwout Bearing, Replacement, Standard Style, Buick, Checker, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: SXR-SN1716SA

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Tailshaft Housing, Aluminum, GM, TH400, Each

Part Number: TCI-226405

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Transmission Bracket, Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: BMM-30499

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: TMK-SET69

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Axle Seal, Rear, GM 9.5 in., Chevy, GMC, Hummer, Each

Part Number: ADO-291-316

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Pinion Nut, Steel, Each

Part Number: MGR-1260823

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Universal Joint, Mechanics 3/Saginaw 44/American Axle 1344 to 1330 Conversion, Greasable, Steel, Each

Part Number: MOG-355

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• $20 Summit Bucks

Automatic Transmission Component, Output Shaft Repair Sleeve, Each

Part Number: ADO-8654063

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

4WD Actuator And Wiring Harness Upgrade Kit

Part Number: RNB-600-490

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Clutch Slave Cylinder, Cast Aluminum, Natural, Chevy, GMC, C/K Pickup, Each

Part Number: DHB-CS37815

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Replcement Springs, Powertrax No-Slip, Kit

Part Number: PWT-8001001KAV

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Differential Cover, 14-bolt, Steel, Chrome, GM 9.5 in., Each

Part Number: YGA-32018

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Pinion Nut Washer, GM, Each

Part Number: YGA-33167

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901711

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D42F

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Flywheel Fasteners, Hex, 7/16-20 in. Thread, Steel, Black, Buick, Cadillac, Chevy, Ford, GMC, Jeep, Mercury, Oldsmobile, Pontiac, Set of 10

Part Number: RNB-678-154

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Differential, Eaton Detroit Locker, 33-Spline, GM, 9.5 in., 14-Bolt, Each

Part Number: ETN-225C135A

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Transfer Case Rebuild Kit, Transfer Case Bearing Kit, Chevrolet, Dodge, GMC, Kit

Part Number: SPZ-74469

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Torque Converters, Remanufactured, OEM Style, 1.750 in. Slotted Hub, 3 Pad Mount, 12.00 in. Dia., 1,397 Stall, 30 Spline Input, Avanti, GM, Each

Part Number: CCV-TQBU18AL

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Core Charge $75.00
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Ring and Pinion Installation Kit, Bearings and Shims, 8.5 in. GM Front, Kit

Part Number: RMG-8310201

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Transmission Filter, Direct-Fit, Kit

Part Number: ATP-B96

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Valve Body Gaskets, 700R4, 4L60, Fiber, Kit

Part Number: ADO-8689949

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Transmission Dipstick, Braided Stainless Steel, Black, Buick, Chevy, Oldsmobile, Pontiac, TH400, Each

Part Number: LOK-XTD-3400TM

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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