2003 CHEVROLET SILVERADO-2500-HD - In Stock Filter Options - Vendor In Stock Filter Options Parts & Accessories

B&M Street and Strip Transmissions 118002BM

Automatic Transmission, Street and Strip, Automatic Valve Body, Forward Shift Pattern, Chevy, GMC, 4L80E, RWD

Part Number: BMM-118002

3.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

VEGE Remanufactured Long Block Crate Engines VCTF4WD

Crate Engine, Remanufactured, Long Block, Assembled, GM, 6.0L, 4WD, Each

Part Number: VRE-VCTF4WD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

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ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Monday 1/5/2026

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VEGE Remanufactured Long Block Crate Engines DCTF

Crate Engine, Remanufactured, Long Block, Assembled, GM, 6.0L, Each

Part Number: VRE-DCTF

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

BDS Suspension Coilover Conversion Kits with Fox 2.5 Coilovers BDS741FDSC

Coilover Conversion, Front, 6.5 in. Lift, Fox 2.5 Coilover w/ Reservoir, Diesel, Chevy, GMC, Kit

Part Number: BDX-BDS741FDSC

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Fox 2.5 Factory Series Coilover Conversion Shocks FOX88406188

Coilover Conversion, Front, 6.5 in. Lift, Fox 2.5 Coilover w/ Reservoir, Diesel, Chevy, GMC, Kit

Part Number: BDX-FOX88406188

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

VEGE Remanufactured Long Block Crate Engines VCTF2WD

Crate Engine, Remanufactured, Long Block, Assembled, GM, 6.0L, RWD, Each

Part Number: VRE-VCTF2WD

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

VEGE Remanufactured Automatic Transmissions 1659A-82

Automatic Transmission, Remanufactured, 4L80E, Four Gears, Stock Aluminum Pan Style, Torque Converter, Cadillac, Chevrolet, GMC, V8, Each

Part Number: VRE-1659A-82

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

South Bend Clutch Super Street Dual Disc Clutch Kits SSDDMAX-CBY

Clutch Kit, Super Street Dual Disc, 1.375 in. - 10-spline, Ceramic Disc, Pressure Plate, Flywheel, Chevy, GMC, 6.6L Diesel, Kit

Part Number: SBB-SSDDMAX-CBY

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

BDS Suspension Coilover Conversion Kits with Fox 2.5 Coilovers BDS742FDSC

Coilover Conversion, Front, 4.5 in. Lift, Fox 2.5 Coilover w/ Reservoir, Diesel, Chevy, GMC, Kit

Part Number: BDX-BDS742FDSC

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Fox 2.5 Factory Series Coilover Conversion Shocks FOX88406187

Coilover Conversion, Front, 4.5 in. Lift, Fox 2.5 Coilover w/ Reservoir, Diesel, Chevy, GMC, Kit

Part Number: BDX-FOX88406187

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Wilwood TX6R Big Brake Rear Brake Kits 140-13879-R

Wilwood TX6R Big Brake Rear Brake Kits 140-13879-R

Disc Brakes, TX6R Big Brake, Rear, Slotted Surface Rotors, 6-piston Red Calipers, Chevy, GMC, Kit

Part Number: WIL-140-13879-R

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Access LoMax Stance Hard Covers G5020069

Tonneau Cover, LoMax Stance, Hard Tri-Fold, Aluminum, Carbon Fiber Finish, 6 1/2 ft. Bed, Chevrolet, GMC, Each

Part Number: AGI-G5020069

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

South Bend Clutch Competition Dual Disc Clutch Kits DDCMAX-Y

Clutch Kit, Competition Dual Disc, 1.375 in. - 10-spline, Sintered Iron Disc, Pressure Plate, Chevy, GMC, 6.6L Diesel, Kit

Part Number: SBB-DDCMAXY

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

South Bend Clutch Competition Triple Disc Clutch Kits DDDCMAX-Y

Clutch Kit, Competition Triple Disc, 1.375 in. - 10-spline, Sintered Iron Disc, Pressure Plate, Chevy, GMC, 6.6L Diesel, Kit

Part Number: SBB-DDDCMAXY

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Nitrous Outlet EFI Dual Nozzle Systems 00-10002-12

GM EFI Dual Nozzle System (70-200HP) (12lb Bottle)

Part Number: NXO-00-10002-12

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems 00-10106-12

Nitrous Oxide Systems, EFI Plate, Wet Style, WOT Switch Activation, 12 lbs. Bottle, for Use On 78mm LSX Truck Intake, Chevy, GMC, Small Block LS, Kit

Part Number: NXO-00-10106-12

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems 00-10107-12

Nitrous Oxide Systems, EFI Plate, Wet Style, WOT Switch Activation, 12 lbs. Bottle, for 90mm LSX Truck Inake, Chevrolet, GMC, Small Block LS, Kit

Part Number: NXO-00-10107-12

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Nitrous Outlet EFI Single Nozzle Systems 00-10000-12

GM EFI Single Nozzle System (35-200HP) (12lb Bottle)

Part Number: NXO-00-10000-12

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

VEGE Remanufactured Drive Axle Assemblies RAX1957A

Rear Axle, GM 2500 99-07 AXLE GT4

Part Number: VRE-RAX1957A

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

Access LoMax Folding Hard Covers B5020069

Tonneau Cover, LoMax, Hard Tri-Fold, Aluminum, Carbon Fiber Finish, 6 1/2 ft. Box, Chevrolet, GMC, Each

Part Number: AGI-B5020069

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Yukon Gear & Axle 30 Spline Differential Carriers Chrysler/GM 11.5 Inch YP PC11.5-HELIC

Differential Carrier, Limited Slip, Helical Gear Type, 30-Spline, Chrysler, GM, 11.5 in., Each

Part Number: YGA-32244

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Yukon Gear & Axle Grizzly Lockers Chrysler/GM 11.5 Inch YGLGM11.5-38

Yukon Grizzly Locker for GM & Chrysler 11.5" with 38 spline axles

Part Number: YGA-28014

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Zumbrota Remanufactured Transfer Cases RTC261GXHD-1

Transfer Case, Remanufactured, Chain Driven, 29-Spline, New Process 261XHD, Each

Part Number: ZUD-RTC261GXHD-1

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Call to Order

Zumbrota Drivetrain Manual Transmissions RMT4500C-11

NV4500 Manual Transmission for GM 01-07 Silverado 2500 & 3500, 2WD

Part Number: ZUD-72676

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Call to Order

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: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

2003 CHEVROLET SILVERADO-2500-HD Parts and Accessories