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

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2124 GM 10.5 in. (14-bolt) 5.38 Gears

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 5.38 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10837

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

McLeod Racing Flywheels, Replacement Inserts 560530HSK

FRICTION PLATE

Part Number: MCL-560530HSK

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Dorman Transfer Case Housings 926-891

Transfer Case Housing, Adapter, Chevy, Cadillac, GMC, Each

Part Number: RNB-926-891

5.0 out of 5 stars ( 1 )

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Motive Gear Differential Pinion Shims 1102

Pinion Shim Pack

Part Number: MGR-1102

4.33 out of 5 stars ( 3 )

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ATP Automatic Transmission Inline Filter Kits IL-150

Automatic Transmission Filters, Remote Mount, ATP Automatic Transmission Inline Filter Kits, 5/16 in. Diameter Lines, Sold as a Kit

Part Number: ATP-IL150

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Hays Billet Steel 168-Tooth Flywheel 10-730

Flywheel, Steel, 168-Tooth, 30 lb., Internal Engine Balance, Chevy, LS, Each

Part Number: HAY-10-730

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

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RAM Billet Steel 168-Tooth Flywheel 1550

4 out of 5 stars ( 4 )

Estimated Ship Date: Today

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PRW Flexplate Fasteners 1003909

Flexplate Bolts, 11mm x 1.5 Thread, 12-Point, 1.075 Length, TH300/400/700R4 Adapter, GM Gen III/IV, Set of 6

Part Number: PQX-1003909

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

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BTR Flexplate Fasteners BTR57940

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Dorman Ring and Pinion Sets 697-134 AAM/Chrysler/GM 11.5 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, AAM/Chrysler/GM 11.5 in., Set

Part Number: RNB-697-134

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM11.5-456 AAM/Chrysler/GM 11.5 in. 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, Chrysler 11.5 in., GM 11.5 in., Set

Part Number: SPZ-36162

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

USA Standard Gear Transfer Case Bearing Kits ZTBK371

Transfer Case Rebuild Kits, NP261 & NP263 T-CASE BEARING KIT '95&UP

Part Number: SPZ-78552

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

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

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM9.25-373R GM 9.25 in. IFS 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Reverse Ring Gear Rotation, GM 9.25 in. IFS, Set

Part Number: YGA-24497

5.0 out of 5 stars ( 1 )

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 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: SPZ-36188

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM14T-488T GM 10.5 in. (14-bolt) 4.88 Gears

USA Standard Ring & Pinion "thick" gear set for 10.5" GM 14 bolt truck in a 4.88 ratio

Part Number: SPZ-36186

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

LuK Clutch Hydraulic Clutch Release Bearings 5001184100

Throwout Bearing, Hydraulic Clutch Release Bearing, Standard Type/Style, Chevrolet, Dodge, Ford, GMC, Hummer, Isuzu, Pontiac, Each

Part Number: LUK-MC1184

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Yukon Gear & Axle Master Overhaul Kits BK GM14T-C

Yukon Bearing install kit for '98 and newer 10.5" GM 14 bolt truck differential

Part Number: YGA-11103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

USA Standard Gear Manual Transmission Cases ZMNV23165

Manual Transmission Case, Manual Transmission Case

Part Number: SPZ-ZMNV23165

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

aFe Pro Series Transmission Pans 46-70072

Automatic Transmission Pan, Deep, Aluminum, Black Wrinkled, Allison 1000, Chevy, GMC, Each

Part Number: AFE-46-70072

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Rebuild Kits and Spider Gears YPKGM11.5-PC-DG1

Yukon Dura Grip Clutch Kit for Chrysler/AAM 11.5"

Part Number: YGA-16185

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM14T-411 GM 10.5 in. (14-bolt) 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: SPZ-36183

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Motive Gear Differential Pinion Shaft Lock Bolts 12337979

Differential Cross Shaft Bolt, Hex Head, Each

Part Number: MGR-12337979

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Fleece Performance TapShifters FPE-TAPSHIFTER35

Automatic Transmission Controller, TapShifter, Chevy, GMC, Allison 1000, Kit

Part Number: FLE-S0054

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Yukon Gear & Axle Ring and Pinion Sets YG GM9.25-411R GM 9.25 in. IFS 4.11 Gears

Ring & Pinion Gear, 4.11 Ratio, GM, 9.25 in. IFS, Set

Part Number: YGA-24498

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

South Bend Clutch Alignment Tools LT130 - ALIGNMENT TOOL

Clutch Alignment Tool, 10 Spline, Plastic, Black, Chevrolet, GMC, 6.6L, LB7, Each

Part Number: SBB-S0311

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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: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today