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

Dorman Ring and Pinion Sets 697-129 AAM/Chrysler/GM 11.5 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, AAM/Chrysler/GM 11.5 in., Set

Part Number: RNB-697-129

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Pacific Performance Engineering Heavy-Duty Transmission Pans for 2001-2019 SIERRA 2500 HD, SILVERADO 2500 HD, 2007-2019 SILVERADO 3500 HD - 128051020

Transmission Pan, Aluminum, Black Finish, Deep, Extra 4 Qt., Filter, Chevy, GMC, Allison 1000, 2000, 2400, Each

Part Number: PPE-128051020

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

SVL Drivetrain Ring and Pinion Gear Sets 2023932 GM 10.5 in. (14-bolt) 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 10.5 in. (14-bolt), Set

Part Number: SVL-2023932

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

ACDelco GM Genuine Parts Multi-Purpose Seals 12471641

Gasket, Rear Axle Flange Gasket, Wheel Hub Gasket, Replacement, Chevrolet, GMC, Truck, Each

Part Number: ADO-12471641

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman 14 Bolt GM 10.5 Inch Differential Cover 697-703

Differential Cover, Steel, Natural, GM, 10.5 in., 14-Bolt, Each

Part Number: RNB-697-703

3.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Chevrolet Performance Flexplate Bolts 11589040

Flexplate Bolt, Steel, Black Oxide, 10mm x 1.50 Thread, Hex, 1.400 in. Underhead, Chevrolet, Each

Part Number: NAL-11589040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powertrax Differential Spring Rebuild Kits 8001001KAV

Replcement Springs, Powertrax No-Slip, Kit

Part Number: PWT-8001001KAV

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

BD Diesel 14 Bolt AAM 11.5 Inch Differential Cover 1061825

Differential Cover, Aluminum, Black Powdercoated, AAM 11.5 in. 14-bolt, Each

Part Number: BDD-1061825

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Dorman Transfer Case Gaskets 917-562

Transfer Case Component, Transfer Case To Transmission Extension Gasket, Cadillac, Chevy, GMC, Hummer, Each

Part Number: RNB-917-562

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Yukon Gear & Axle Ring Gear Bolts YSPBLT-021

Ring Gear Bolt, Hex Head, 1/2-20 in. Thread Size, Steel, Natural, Each

Part Number: YGA-33051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Motive Gear Performance Ring and Pinion Sets G895456IFS GM 9.25 in. IFS 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 9.25 in., IFS, Set

Part Number: MGR-G895456IFS

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

VEGE Remanufactured Heavy-Duty Stock Stall Torque Converter TQA2HD

Torque Converters, Remanufactured, OEM Style, Heavy Duty, Milled Flats Hub, 6 Pad Mount, 13.5 in. Diameter, Stock Stall, Chevy, GMC, 6.6L, Each

Part Number: CCV-TQA2HD

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Dorman Driveshafts 946-062

Driveshafts, Assembled, Balanced, Aluminum, 5.000 in. Diameter, 87.770 in. Length, Rear, Chevrolet, GMC, Each

Part Number: RNB-946-062

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

South Bend Clutch Stage 2 Daily Driver Clutch Kits K04201-HD-TZ

Clutch Kit, Stage 2 Daily Driver, Single, 1.130 in. - 10-spline, Kevlar® Disc, Pressure Plate, Chevy, GMC, 6.0L, Kit

Part Number: SBB-K04201-HD-TZ

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Motive Gear Differential Bearing Kits R9.5GRLMKT

Ring and Pinion Installation Kit, GM 9.5 in., Kit

Part Number: MGR-R95GRLMKT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Yukon Gear & Axle Cut-to-Fit Axle Shafts YA WGM14T-30-38

Axle Shaft, Cut-To-Fit, Rear, Bolt-in, 30-spline Inner, 4340 Chromoly, GM 10.5 in. (14-bolt), Chevy, GMC, Each

Part Number: YGA-21717

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Yukon Gear & Axle Pinion Shims SK GM14T

Pinion Shims, Steel, GM 10.5 in. (14-bolt), Kit

Part Number: YGA-55058

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Standard Motor Automatic Transmission Control Solenoids TCS39

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

Part Number: SMP-TCS39

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ACDelco Gold Automatic Transmission Fluid Filters 25325570

Automatic Transmission Filter, Chevrolet, GMC, Each

Part Number: ADO-TF329

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ACDelco GM Genuine Parts Driveshaft Slip Yokes 12471638

Yoke, Driveshaft, Replacement, Cadillac, Chevrolet, GMC, Hummer, Truck, Each

Part Number: ADO-12471638

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Motive Gear Open Differential Internal Kits GM14BI

Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L

Part Number: MGR-GM14BI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Centerforce Billet Steel 168-Tooth Flywheel 600142

Flywheel, Billet Steel, Low Inertia, 168-tooth, 17.85 lbs., Internal Balance, Chevy, Pontiac, LS1, LS6, Each

Part Number: CTF-600142

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Standard Motor Automatic Transmission Control Solenoids TCS13

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

Part Number: SMP-TCS13

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air