2003 GMC SIERRA 1500 HD Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

Timken Pinion Bearings HM88542

Pinion Bearing, 1.250 in. i.d., BMW, Chevy, GMC, Dodge, Plymouth, Ford, Mercury, International, Jeep, Each

Part Number: TMK-HM88542

Not Yet Reviewed

Estimated Ship Date: Today

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Hays Twister Full Race 3,200-3,600 Stall Torque Converter 97-1H32F

Torque Converters, Twister Full Race, 3,200-3,600 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, 4L60-E/4L65-E/4L80-E, NV3500, Chevy, GMC, Each

Part Number: HAY-97-1H32F

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

TCI Internal Wiring Harnesses 276610

TCI Internal Wiring Harnesses 276610

Internal Wiring Harness, Upgrade, GM, Style Harness, Each

Part Number: TCI-276610

Not Yet Reviewed

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Motive Gear Ring and Pinion Sets GM10-430IFS GM 8.25 in. IFS 4.30 Gears

Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.25 in., IFS, Set

Part Number: MGR-GM10-430IFS

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Sachs Stock Replacement Throwout Bearings SB60129

Throwout Bearing, Replacement, Standard Style, Chevrolet, GMC, Each

Part Number: SXR-SB60129

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Standard Motor Automatic Transmission Control Solenoids TCS17

Transmission Control Solenoid, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SMP-TCS17

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Dorman Driveshafts 946-022

Rear Driveshaft

Part Number: RNB-946-022

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Dana Spicer Drivetrain Products Differential Carrier Bearings 10038956

STANDARD DIFF BEARING & SEAL KIT - 1999-2008 MODEL YEARS WITH GM 8.5 & 8.6 AXLE

Part Number: SDH-10038956

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Zoom MU Series Clutches MU5997-1

Clutch Kits, MU Series Clutches, 1.125 in. - 10-spline, 11.688 in. Diameter Organic Disc, Pressure Plate, Chevrolet, GMC, 6.0L LS, Kit

Part Number: ZZZ-MU5997-1

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Hays Twister 3/4 Race 3,600-4,200 Stall Torque Converter 97-1H36Q

Hays Twister 3/4 Race Torque Converter 1998- UP GM, 4L60E/4L65E, 3600-4200 RPM stall

Part Number: HAY-97-1H36Q

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM9.5-513 GM 9.5 in. 5.13 Gears

Ring & Pinion Gear, 5.13 Ratio, GM, 9.5 in., 14-Bolt, Set

Part Number: YGA-24170

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

WIX Filters Transmission Filters 58608

Transmission Filter, Replacement, Each

Part Number: WIX-58608

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Pioneer Flywheel Shims FWS-28

FLYWHEEL SHIM .050

Part Number: PIO-FWS-28

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Dorman Automatic Transmission Shifter Cables 905-144

Shift Cable, Transmission Gearshift Cable

Part Number: RNB-905-144

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Strange U-Joints U1642

Universal Joint, 1330 Style, Steel, Each

Part Number: STR-U-1642

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Standard Motor Front Axle Actuators TCA-20

Front Axle Actuator, Aluminum, Silver, Cadillac, Chevy, GMC, Each

Part Number: SMP-TCA20

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D60-513 Dana 60 5.13 Gears

Ring and Pinion Gears, 5.13:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36078

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Motive Gear 33 Spline Differential Carrier Cases 14038087

Differential, Open, Empty, GM, 9.5 in., Each

Part Number: MGR-14038087

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Motive Gear Ring Gear Bolts 14012703

Ring Gear Fasteners, Replacement Bolt, Hex Head, Steel, Black Oxide, 12mm x 1.50, GM 9.25/9.5 in., Chrysler 9.25 in., Each

Part Number: MGR-14012703

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ Positraction 33 Spline Differential Carriers GM 9.5 Inch SUM-730988

Differential Carrier, Positraction, Clutch-type, 33-spline, Chevy, GMC, Hummer, Each

Part Number: SUM-730988

Not Yet Reviewed

Estimated Ship Date: Today

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Yukon Gear & Axle 1541H Alloy Axles YA G26009627

Axle Shaft, Front Inner, 1541H, 33 Spline, GM 9.25 in. IFS, Each

Part Number: YGA-21590

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

USA Standard Gear Manual Transmission Bearing Kits ZMBK235DWS

Transmission Bearing and Seal, Getrag-5 Speed Transmission Bearing/Seal Kit w/Synchro Rings, 5-Speed Manual Trans 0.9 Inch Input/Output Bearings

Part Number: SPZ-79068

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

USA Standard Gear Bearing Kits ZBKGM9.25IFS-A

Ring and Pinion, Installation Kit, GM, 9.25 in. IFS, 2010 and Earlier, Kit

Part Number: SPZ-58023

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

SKF Bearings U-Joints UJ534G

Universal Joint

Part Number: SKF-UJ534G

Not Yet Reviewed

Estimated Ship Date: Today

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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 )

Estimated Ship Date: Today

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Estimated Ship Date: Today