2003 CHEVROLET SILVERADO-2500-HD Transmission & Drivetrain

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 10.5 in., 14-Bolt, Fits 4.10:1 and Numerically Lower Carrier, Set

Part Number: MGR-GM10-5-456X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Gear, Ring and Pinion, 4.56:1 Ratio, 2.005 in. Pinion, 30 Spline, 11.500 in. Ring Gear, GM/Chrysler, Set

Part Number: YGA-24443

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Oil Seal, Rear Inner Wheel Location, Polyacrylate, Chevy, GMC, Each

Part Number: NTL-710568

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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 11/10/2025

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

Part Number: SPZ-78552

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

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Differential, Posi Performance, Limited Slip, 30-Spline, GM, 10.5 in., Each

Part Number: ETN-19610-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 2, 2025 if ordered today

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

Part Number: RNB-81020

2.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

Transmission Filter, Replacement, Each

Part Number: WIX-58608

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Drain Plug, Steel, Stock Replacement, Each

Part Number: ADO-24233099

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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

Part Number: ADO-12471638

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Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Gear, Ring and Pinion, 4.11:1 Ratio, 2.005 in. Pinion, 30 Spline, 11.500 in. Ring Gear, GM/Chrysler, Set

Part Number: YGA-24442

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Automatic Transmission Pan, 11-12 qt. Increased Capacity, Aluminum, Black, Allison, Chevrolet, GMC, Each

Part Number: YGA-YHCTP-A1000

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Estimated Ship Date: Monday 11/10/2025

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Transmission Vent Tubes, ACDelco GM Genuine Parts Transmission Vent Tubes, Steel, Silver, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-24200374

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Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Ring Gear Fasteners, Replacement Bolt, Hex Head, Steel, Black Oxide, 1/2-20 in. RH, GM, 10.5 in., 14 Bolt, 4.10 and Lower Carrier, Each

Part Number: MGR-331422

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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: Nov 24, 2025 if ordered today

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Universal Joint, 1410 Style, Greasable, Steel, Each

Part Number: MOG-295

4.1 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/10/2025

• $25.00 Summit Bucks

Differential Carrier Rebuild Kits and Spider Gears, Open Differential Internal Kits, GM 9.25/9.25 IFS/9.5 in., 33-spline, 14-bolt, Chevy, Dodge, Kit

Part Number: MGR-GM95BI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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

Part Number: WIX-57701

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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

Part Number: ADO-12471641

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Differential Pinion Bearing Kit (Cup/Cone) - Dana 60/70

Part Number: SDH-706045X

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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 11/10/2025

Bellhousing Chevy LS Kit

Part Number: IST-BHG-12005A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 12, 2025 if ordered today

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Pressure Plate Bolts, 12 Point, 4135 Chromoly, Black Oxide, Chevy, Big, Small Block, Kit

Part Number: PQX-1050101

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Estimated Ship Date: Monday 11/10/2025

Automatic Transmission Control Solenoids, Replacement, AM General, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Workhorse, Each

Part Number: ATP-JE-53

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Yukon Full Float Rear Wheel Seal for GM14T & 11.5" 2010 & Down

Part Number: YGA-30917

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025