2003 CHEVROLET SILVERADO-2500-HD Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

ATP Automatic Transmission Shifter Cables Y-1286

Automatic Transmission Shifter Cable, Black Jacket, Eyelet Ends, 140.00 in. Overall Length, Chevy, GMC, Each

Part Number: ATP-Y1286

3.67 out of 5 stars ( 3 )

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WIX Filters Transmission Filters WIX-57701

Transmission Filter, Gasket, Chevy, GMC, Hummer, Allison 1000, Each

Part Number: WIX-57701

5.0 out of 5 stars ( 2 )

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Zoom MU Series Clutches MU72407-1SK

Clutch, Organic Disc, 1.375 in. - 10-spline, 305mm Diameter, Pressure Plate, Chevy, GMC, 6.6L Diesel, Kit

Part Number: ZZZ-MU72407-1SK

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

Silver Sport Manual Transmission Bellhousings BHG-12005A

Bellhousing Chevy LS Kit

Part Number: IST-BHG-12005A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Summit Racing™ Manual Transmission Bellhousings SUM-700172

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Dorman Slip Yokes 697-515

Slip Yoke, Rear Driveshaft to Transfer Case Yoke, 32-spline, Steel, 8.800 in. Length, GMC, Chevy, Each

Part Number: RNB-697-515

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Yukon Gear & Axle U-Joints YUJ795

Yukon Mechanics 3R Lifetime Series U/Joint. 2.556" span ring span, 1.125" cap diameter. Inside snap ring.

Part Number: YGA-42020

5.0 out of 5 stars ( 1 )

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Spicer Drivetrain Products Life Series U-Joints 5-3616X

U-Joints, Life Series, Spicer 1410, Solid, Steel, Coated Caps for Use with Aluminum Driveshafts, for Nissan, Ford, Each

Part Number: SDH-5-3616X

4.0 out of 5 stars ( 1 )

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Yukon Gear & Axle Bearings AK GM11.5

Axle Bearing, Seal, AAM 11.5 in., 14-Bolt, Each

Part Number: YGA-10056

Not Yet Reviewed

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Dorman U-Joint Repair Kits 81020

U-Joint Repair Kit, Cadillac, Chevy, Dodge, GMC, Jeep, Kit

Part Number: RNB-81020

2.0 out of 5 stars ( 3 )

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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

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USA Standard Gear Ring and Pinion Gears ZG GM14T-342

Ring and Pinion Gear and Installation Kit USA Standard

Part Number: SPZ-36284

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

McLeod Pilot Bearings and Bushings 8-1094-4

Pilot Bushing, Bronze, 1.125 in. Diameter, Chevy, Oldsmobile, Each

Part Number: MCL-8-1094-4

4.25 out of 5 stars ( 4 )

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Pioneer Flywheel Shims FWS-28

FLYWHEEL SHIM .050

Part Number: PIO-FWS-28

1.0 out of 5 stars ( 2 )

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Spicer Drivetrain Products Slip Yokes 3-3-6701X

Yoke, Slip Yoke, Spicer 1410, 21/22-spline, Steel, Chevrolet, Dodge, Ford, GMC, Each

Part Number: SDH-3-3-6701X

Not Yet Reviewed

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Yukon Gear & Axle 33 Spline Differential Carriers Chrysler/GM 9.25 Inch YC G40013506

Differential Carrier, Open, Loaded, GM/Chrysler 9.25/9.50 in. 33 Spline, Each

Part Number: YGA-20097

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

McLeod Racing Flywheels 560535

FLY ALM CHEVY LS MTR 1997UP .400"THICKER 12" STL INSERT 168

Part Number: MCL-560535

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Moog U-Joint Fasteners 492-10

U-Joint Fasteners, Steel, Natural, Cadillac, Chevy, GMC, Hummer, Saab, Kit

Part Number: MOG-492-10

5.0 out of 5 stars ( 1 )

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LuK Clutch Master Cylinders 5110059770

MASTER CYLINDER CHEVROLET, GMC 99-07

Part Number: LUK-LMC408

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

ACDelco GM Genuine Parts Automatic Transmission Electrical Connector O-Rings 24213704

Automatic Transmission Case Electrical Connector O-Ring, 4L60, 4T80, Each

Part Number: ADO-24213704

5.0 out of 5 stars ( 1 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM14T-538T GM 10.5 in. (14-bolt) 5.38 Gears

Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: YGA-24140

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Motive Gear Ring and Pinion Sets GM9.5-456 GM 9.5 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 9.5 in., 14-Bolt, Truck, Set

Part Number: MGR-GM9-5-456

4.5 out of 5 stars ( 2 )

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Richmond Gear EXCel Spline Differential Carrier Cases GM 10.5 Inch (14-bolt) XL-5030

Differential Carrier

Part Number: RMG-XL-5030

Not Yet Reviewed

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USA Standard Gear Master Overhaul Kits ZK GM11.5

USA Standard Master Overhaul kit for 2010 & down GM & Chrysler 11.5" AAM differential

Part Number: SPZ-37041

Not Yet Reviewed

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SVL Drivetrain Ring and Pinion Gear Sets 10004686 AAM/Chrysler/GM 11.5 in. 3.42 Gears

Differential Ring and Pinion; GM 11.5 - 3.42 Ratio

Part Number: SVL-10004686

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM14T-513T GM 10.5 in. (14-bolt) 5.13 Gears

Ring & Pinion Gear, 5.13 Ratio, GM, 10.5 in., 14-Bolt, Set

Part Number: YGA-24139

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today