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

Richmond Gear EXCel Ring and Pinion Sets GM105456TK GM 10.5 in. (14-bolt) 4.56 Gears

Ring and Pinion Kit

Part Number: RMG-GM105456TK

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

ACDelco Automatic Transmission Shift Shaft Seals 08657163

Automatic Transmission Shift Shaft Seals, OEM-style, Steel/Rubber, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ADO-8657163

Not Yet Reviewed

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Summit Racing™ Transmission Filter Kits SUM-G19013

Automatic Transmission Filter, Chevy, GMC, Hummer, Allison 1000, Kit

Part Number: SUM-G19013

Not Yet Reviewed

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B&M Traveler 1,900-2,100 Stall Torque Converter 70431

Torque Converter, Traveler, Chevy, 4L80E, 1,900-2,100 rpm Stall Range, Each

Part Number: BMM-70431

1.0 out of 5 stars ( 3 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Powertrax Lock-Right Lockers Chrysler 9.25 Inch 1950-LR

Differential, Lock-Right, Locker, 33-Spline, GM, 9.2 in./9.5 in., Each

Part Number: PWT-1950-LR

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Auburn Gear Select-A-Loc 35 Spline Differential Dana 60 545023

Auburn Gear Select-A-Loc 35 Spline Differential Dana 60 545023

Differential, Auburn, Locker, Select-A-Loc, 35-Spline, Dana 60, 10-Bolt, Each

Part Number: AUB-545023

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Eaton Electronic ELocker 35 Spline Differential Dana 60/60-HD 14023-010

4 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets GM10.5-373 GM 10.5 in. (14-bolt) 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 10.5 in., 14-Bolt, Set

Part Number: MGR-GM10-5-373

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Timken Automatic Transmission Selector Shaft Seals 8792S

Seal, Automatic Transmission Selector Shaft, Each

Part Number: TMK-8792S

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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South Bend Clutch Dyna Max Ceramic Clutch Kits SDM0105-DFK

Clutch Kit, Dyna Max Ceramic, Single, 1.375 in. - 10-spline, Ceramic/Kevlar® Disc, Pressure Plate, Flywheel, Chevy, GMC, 6.6L Diesel, Kit

Part Number: SBB-SDM0105DFK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ATP Automatic Transmission Shifter Cables Y-1286

Automatic Transmission Shifter Cable, Black Jacket, Eyelet Ends, 140.00 in. Overall Length, Chevy, GMC, Each

Part Number: ATP-Y1286

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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ACDelco GM Genuine Parts Driveshaft Slip Yokes 12471638

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

Part Number: ADO-12471638

Not Yet Reviewed

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TCI EZ-TCU Transmission Controller Main Harnesses 30261

Wiring Harness, EZ-TCU Transmission Controller Main Harness, Each

Part Number: TCI-30261

Not Yet Reviewed

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Yukon Gear & Axle Lifetime Series U-Joints YUJ799

U-Joint, Lifetime Series, Spicer 1350 Style, Steel, AMC, Buick, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Mercury, Olds, Pontiac, Each

Part Number: YGA-42021

Not Yet Reviewed

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Yukon Gear & Axle Ring and Pinion Sets YG GM11.5-373 AAM/Chrysler/GM 11.5 in. 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 11.500 in. Ring Gear, Chrysler 11.5 in., GM 11.5 in., Set

Part Number: YGA-24441

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Dorman 14 Bolt GM 9.5 Inch Differential Cover 697-711

Differential Cover, 14-bolt, Steel, Black, GM 9.5 in., Each

Part Number: RNB-697-711

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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LuK Clutch 168-Tooth Flywheel 4160219100

Flywheel, 168-tooth, Steel, Chevy, 4.8L, 6.0L, Each

Part Number: LUK-LFW387

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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ACDelco Automatic Transmission Fluid Pan Magnets 24239049

Automatic Transmission Pan Magnet, THM125C, THM440, 4T60, ME9, TH400, 4l80, Buick, Cadillac, Chevrolet, Each

Part Number: ADO-24239049

Not Yet Reviewed

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aFe Street Series 14 Bolt GM 9.5 Inch Differential Cover 46-70370

Differential Covers, Street Series, Aluminum, Natural, 14-bolt, GM 9.5 in., Rear, Chevrolet, GMC, Each

Part Number: AFE-46-70370

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

Yukon Gear & Axle Differential Cover Bolts YSPBLT-082

Differential Cover Bolt, Hex-flange Head, Steel, Black, GM, 8mm x 1.25 in., Each

Part Number: YGA-33572

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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: Today

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Dorman Driveshafts 946-061

Rear Driveshaft

Part Number: RNB-946-061

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Motive Gear Open Differential Internal Kits GM9.5BI

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 )

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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: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Timken Pinion Bearings HM88649

Differential Pinion Bearing, 1.375 in. Inside Diameter, Each

Part Number: TMK-HM88649

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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ACDelco GM Genuine Parts Transmission Vent Tubes 24200374

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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