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

Eaton Detroit Truetrac 30 Spline Differential AAM 11.5 Inch 14-bolt 915A568

Differential, Eaton Detroit Truetrac, 30-Spline, AAM, 11.5 in., 14-Bolt, Each

Part Number: ETN-915A568

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Today

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PowerStop Z36 Truck and Tow Brake Upgrade Kits with Calipers KC2073-36

Brake Rotors, Pads, Red Calipers, Drilled/Slotted Rotors, Truck/Tow Pads, Front/Rear, Chevy, GMC, Kit

Part Number: PWR-KC2073-36

4.59 out of 5 stars ( 22 )

Estimated Ship Date: Today

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Pacific Performance Engineering LB7 Cast Iron Cylinder Heads 110100101

Cylinder Head, Assembled, Cast Iron, OEM, Chevrolet, Duramax Diesel, V8, LB7, Each

Part Number: PPE-110100101

Not Yet Reviewed

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McLeod RST Street Twin Clutch Kits 6405504

Clutch Kit, RST Street Twin Clutch, Two Discs, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Billet Steel Flywheel, Chevrolet, GMC, Kit

Part Number: MCL-6405504

Not Yet Reviewed

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Pacific Performance Engineering Exhaust Manifolds 116111020

Exhaust Manifolds, High Silicon Cast Iron, Black Ceramic Coated, Includes Stainless Steel Up-pipes, Chevrolet, GMC, 6.6L Diesel, LB7, Kit

Part Number: PPE-116111020

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Pacific Performance Engineering Exhaust Manifolds 116111035

Exhaust Manifolds, High Silicon Cast Iron, Silver Ceramic Coated, Includes Stainless Steel Up-pipes, Chevrolet, GMC, 6.6L Diesel, LB7, Kit

Part Number: PPE-116111035

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Fleece Performance CP3K Fuel Pump Kits FPE-DMAX-CP3K

Fuel Pump, CP3K, Mechanical, Injection Style, Chevy, GMC, 6.6L Diesel, Kit

Part Number: FLE-FPEDMAXCP3K

Not Yet Reviewed

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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: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Yukon Gear & Axle Full Spools YP FSGM11.5-30

Yukon steel spool for GM & Chrysler 11.5" with 30 spline axles

Part Number: YGA-32185

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2122 GM 10.5 in. (14-bolt) 4.88 Gears

Ring and Pinion Gears,Yukon Gear & Axle 10.5" GM 14 Bolt, 4.88 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: YGA-10522

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Rough Country M1 Suspension Lift Kits for 2001-2010 SIERRA 2500 HD, SILVERADO 2500 HD - 220040

Suspension Leveling & Lift Kits, Lift Kit, M1 Series, Knuckle, Leaf Spring Block, 6.00 in. Front, 6.00 in. Rear, Chevy, GMC, Kit

Part Number: ROU-220040

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

SSBC-USA Tri-Power HD Quick-Change Caliper Upgrade Kits A187-4R

SSBC-USA Tri-Power HD Quick-Change Caliper Upgrade Kits A187-4R

Disc Brake Caliper, Tri-Power HD, Quick-Change, Aluminum, 3-Piston, Semi-Metallic Pads, Front, Red Powdercoated, GM, Hummer, Kit

Part Number: TSB-A187-4R

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

Fleece Performance Freedom Series DuraMax Cylinder Heads FPE-61-10001-D-CL

Cylinder Head, Freedom Series Duramax, Cupless Injectors Bore, Driver side , 6.6L, LB7, Chevy, GMC, Each

Part Number: FLE-S0401

Not Yet Reviewed

Estimated Ship Date: Today

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Fleece Performance Freedom Series DuraMax Cylinder Heads FPE-61-10001-P-CL

Cylinder Head, Freedom Series Duramax, Cupless Injectors Bore, Passenger side , 6.6L, LB7, Chevy, GMC, Each

Part Number: FLE-S0402

Not Yet Reviewed

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Injector Dynamics ID1050x Fuel Injectors 1050.48.14.15.8

Injector Dynamics ID1050X Injectors 14mm (Gray) Adapter Top (Set of 8) Orange Lower O-Ring

Part Number: IJD-10504814158

Not Yet Reviewed

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Dorman Driveshafts 936-276

Driveshafts, Rear, Aluminum, Balanced, Assembled, 4.500 in. Diameter, 78.800 in. Length, Chevy, GMC, Each

Part Number: RNB-936-276

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Firestone Ride-Rite F3 Wireless All-In-One Kits W217602870

Air Springs, Ride-Rite Analog All-In-One, Air Compressor, Gauge, Rear, Wireless Controller, Chevrolet, GMC, Kit

Part Number: FIP-2870

Not Yet Reviewed

Estimated Ship Date: Today

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SSBC-USA Tri-Power HD Quick-Change Caliper Upgrade Kits A187-4BK

Disc Brake Caliper, Tri-Power HD, Quick-Change, Aluminum, 3-Piston, Semi-Metallic Pads, Front, Black Powdercoated, GM, Hummer, Kit

Part Number: TSB-A187-4BK

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

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: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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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Dee Zee Liquid Transfer Tanks DZ 91753X

Liquid Transfer Tank, Front of Truck Bed Location, 110 Gallons, Aluminum, Polished, Chevy, Dodge, Ford, GMC, Isuzu, for Nissan, Ram, Toyota, Each

Part Number: DZZ-DZ91753X

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

PowerStop Z23 Evolution Sport Brake Upgrade Kits with Calipers KC2073

Disc Brake Kit, Z23 Evolution Sport Brake Upgrade with Calipers, Front and Rear, Chevy, GMC, Kit

Part Number: PWR-KC2073

Not Yet Reviewed

Estimated Ship Date: Today

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Edge Juice Modules with Attitude CTS3 Programmers 21500-3

Computer Programmer, Juice Module with Attitude CTS3 Programmer, Chevy, GMC, 6.6L Diesel, LB7, Kit

Part Number: EGE-21500-3

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Mishimoto Intercoolers MMINT-DMAX-01SL

Intercooler, Aluminum, Natural, 3.25 in. Inlet, 3.00 in. Outlet, Slip Fit, Chevy, GMC, 6.6L Duramax, Kit

Part Number: MIO-MINTDMAX01SL

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

McGaughy's Traction Bars 52018

2002-2010 GM 2500/3500 2WD/4WD 60" TRACTION BAR KIT W/HARDWARE **RAW**

Part Number: MMC-52018

Not Yet Reviewed

Estimated Ship Date: Today

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South Bend Clutch Dyna Max Street Dual Disc Clutch Kits SDDMAX-DFY

Clutch Kit, Dyna Max Street Dual Disc, 10-spline, Pressure Plate, Flywheel, Chevy, GMC, 6.6L Diesel, Kit

Part Number: SBB-SDDMAXDFY

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

2003 CHEVROLET SILVERADO-2500-HD Parts and Accessories