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

Richmond Gear EXCel 30 Spline Differential Carrier Cases GM 8.625 Inch XL-5050

Differential Carrier

Part Number: RMG-XL-5050

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 GM9.25-456R GM 9.25 in. IFS 4.56 Gears

Ring & Pinion Gear, 4.56 Ratio, GM, 9.25 in. IFS, Set

Part Number: YGA-24499

5.0 out of 5 stars ( 1 )

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 Ring and Pinion Sets ZG GM9.25-456R GM 9.25 in. IFS 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Reverse Rotation, GM 9.25 in. IFS, Chevy, GMC, Hummer, Front, Set

Part Number: SPZ-36285

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

Richmond Gear EXCel Ring and Pinion Sets GM95410 GM 9.5 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM 9.5 in., Set

Part Number: RMG-GM95410

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

Need It Sooner? We recommend these similar substitute parts:

Yukon Gear & Axle Ring and Pinion Sets YG GM9.5-411 GM 9.5 in. 4.11 Gears

Not Yet Reviewed

Estimated Ship Date: Today

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Richmond Gear EXCel Ring and Pinion Sets GM95456 GM 9.5 in. 4.56 Gears

Ring and Pinion Kit

Part Number: RMG-GM95456

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

Richmond Gear EXCel Ring and Pinion Gear Installation Kits XL-1023-1

Ring and Pinion Kit

Part Number: RMG-XL-1023-1

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

Dorman Axle Shafts, Direct Fit 630-146A

Axle Shaft Only, Cadillac 2006-03, Chevrolet 2007-03, GMC 2007-03

Part Number: RNB-630-146A

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

Motive Gear Differential Cross Shafts 14012700

CROSS SHAFT 9.5 GM 14 BLT

Part Number: MGR-14012700

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

Motive Gear Differential Pinion Bearings HM804846T

Tapered Cone, TAPERED CONE ID 1.8750"-TIMKEN

Part Number: MGR-HM804846T

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

ATP Automotive Automatic Transmission Filters B-392

Auto Trans Filter Kit

Part Number: ATP-B-392

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

ATP Automatic Transmission Shifter Cables Y-1285

Automatic Transmission Shifter Cable, Black Jacket, Eyelet Ends, 131.00 in. Overall Length, Chevy, GMC, Each

Part Number: ATP-Y1285

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

ATP Automotive Flexplates Z-600

Flex-Plate Assembly

Part Number: ATP-Z-600

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

Pioneer Automotive Automatic Transmission Rebuild Components 753060

SUPER KIT

Part Number: PIO-753060

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

Eaton Electronic ELocker 40 Spline Differential Dana 60 14024-010

Differential, Eaton Elocker Dana 60 4.10 & Down 40 Spline

Part Number: ETN-14024-010

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

ATP Automatic Transmission Control Solenoids CE-3

Automatic Transmission Control Solenoids, Replacement, AM General, Bentley, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Rolls-Royce, Each

Part Number: ATP-CE3

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

B&M 14 Bolt AAM 11.5 Inch Differential Cover 11317

Differential Cover, 14-bolt, A356 Aircraft Grade Alloy, Black Anodized, AAM 11.5 in. 14-bolt, Each

Part Number: BMM-11317

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

Hays Twister Full Race 2,400-2,800 Stall Torque Converter 97-1H24F

Torque Converter, Twister Full Race, 2,400-2,800 RPM Stall Speed Range, 30 Spline, 9.600 in. Diameter, 11.125 BC, 4L60-E/4L65-E, Various Makes, Each

Part Number: HAY-97-1H24F

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

Hays Twister Full Race 2,400-2,800 Stall Torque Converter 97-1J24F

Torque Converter, Twister Full Race, 9.600 in. Diameter, 35 Spline, 2400-2800 RPM Stall, 11.50 in. Bolt Circle, 4L80E, Each

Part Number: HAY-97-1J24F

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

Hays Twister Full Race 2,800-3,200 Stall Torque Converter 97-1J28F

Torque Converters, Twister Full Race, 2,800-3,200 rpm Stall Speed Range, 35-spline, 9.600 in. Diameter, Chevrolet 4L80-E, Cadillac, Chevy, GMC, Each

Part Number: HAY-97-1J28F

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

Hays Twister Full Race 3,600-4,200 Stall Torque Converter 97-1J36F

Torque Converters, Twister Full Race, 3,600-4,200 rpm Stall Speed Range, 35-spline, 9.600 in. Diameter, Chevrolet 4L80-E, Cadillac, Chevy, GMC, Each

Part Number: HAY-97-1J36F

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

Dorman Ring and Pinion Gear Installation Kits 797-119

Premium Ring And Pinion Master Bearing And Installation Kit

Part Number: RNB-797-119

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D60-538 Dana 60 5.38 Gears

Ring and Pinion Gears, 5.38:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36079

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

VEGE Remanufactured Automatic Transmissions 1664A-82

Automatic Transmission, Remanufactured, Four Gears, Standard Shift Pattern, Automatic Valve Body, Stock Pan Style, 4L80-E, Cadillac, Chevy, GMC, Each

Part Number: VRE-1664A-82

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Zoom MU Series Clutches MU1997-1A

Clutch Kit, MU-Series, Organic, 1.125 in. Diameter Shaft, 10-Spline, 11.687 in. Diameter Disc, Chevy/GMC, 6.0L

Part Number: ZZZ-MU1997-1A

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

Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-033

Standard open side gear and thrust washer for 9.5" GM

Part Number: YGA-33303

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today