2003 CHEVROLET SILVERADO 2500 HD Parts & Accessories

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: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Holley LS Valley Covers 241-369

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Black Anodized, 10-Bolt Pattern, Chevy, LS, 5.7L, Each

Part Number: HLY-241-369

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

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ICT Billet LS Lifter Valley Covers 551646

4 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026

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Cometic MLS Head Gaskets C5489-027

Cometic MLS Head Gaskets C5489-027

Head Gasket, MLS, 4.100 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-027

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

BDS Suspension Ball Joints BDS081203

Service Kit: Replacement UCA Ball Joint Kit GM 011310, 121250, 121252, 121304; Ford 123253, 013204

Part Number: BDX-BDS081203

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Yukon Gear & Axle Ring and Pinion Sets YG GM14T-373 GM 10.5 in. (14-bolt) 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: YGA-24134

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Powermaster PowerMax Starters 19109

Starter, PowerMAX, Mini, Standard Rotation, Chrome, Chevy, GMC, Pontiac, Each

Part Number: PWM-19109

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ACDelco Ignition Coil Wiring Harnesses 12601824

Ignition Coil Wiring Harness, Each

Part Number: ADO-356G

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Rampage Truck Bench Seat Consoles 39223

Console, Plastic, Charcoal, Universal, Each

Part Number: RPE-39223

4.27 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Mahle Original Cam Seals B32270

Camshaft Seal, Steel/Rubber, Natural, GM, Gen III/IV LS Engines, Each

Part Number: MAH-B32270

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

King SI-Series Rod Bearings CR 807SI 001

Rod Bearings, .001 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807SI001

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

PRW Flexplate Fasteners 1003907

Flexplate Bolts, 11mm x 1.5 Thread, 12-Point, .880 Length, GM Gen III/IV, Set of 6

Part Number: PQX-1003907

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

aFe Momentum GT Pro Dry S Air Intake Systems 51-74101

Air Intake Kit, Momentum GT Pro Dry S, Polyethylene Tube, Black, Synthetic Filter, Gray, Cadillac, Chevy, GMC, 4.8L, 5.3L, 6.0L, Kit

Part Number: AFE-51-74101

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

MotoRad Cooling System Pressure Tester Adapters 3128

Tester Adapter, Cooling System, Steel, Green, Chevy, Saab, Ford, GMC, Each

Part Number: SNN-3128

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Fox 2.0 Adventure Series Shocks FOX98450615

Shocks and Struts, Fox 2.0 Adventure Series Shocks, Stock/Lifted Ride Height, 0.00 - 2.00 in. Lifted Amount Range, Monotube, Front, Chevy, GMC, Each

Part Number: BDX-FOX98450615

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Banks Power Ram-Air Replacement Oiled Filter Elements 42138

Air Filter Element, Conical Flanged, Cotton Gauze, Red, Oiled, Chevy, GMC, Each

Part Number: GBE-42138

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ACL Performance Race Series Main Bearing Sets 5M7299H-STD

Main Bearings, Race Series, Tri-Metal, 1/2 Groove, Standard Size, Chevrolet, LS, Set of 5

Part Number: PEB-5M7299H-STD

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Granatelli Motor Sports GM High Performance Coil Near Plug Wire Sets 28-1545-CBR

Spark Plug Wire Sets, Assembled, Solid Core, Black Ceramic Boots, Red, 8.00mm Diameter, 10 in. Length, Cadillac, Chevrolet, GMC, Hummer, V8, Set

Part Number: GRN-28-1545-CBR

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

PIAA Si-Tech Wiper Blades 97055

Wiper Blade, Si-Tech, Black Plastic Frame, Black Silicone Blade, 22 in., Each

Part Number: PIA-97055

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dee Zee Specialty Series Truck Bed Toolboxes DZ 70

Toolbox, Specialty Series, Side of Truck Bed Location, Aluminum, Polished, Locking, Each

Part Number: DZZ-DZ70

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Performance Tool Harmonic Balancer Pullers W89712

Harmonic Balancer Puller, Compact Harmonic Balancer Puller, Steel, Black, 3-Jaw Puller, Forcing Screw/Rods, with Case, Kit

Part Number: WMR-W89712

3.41 out of 5 stars ( 44 )

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OEM Automotive Tools Harmonic Balancer Puller Sets 25090

4.75 out of 5 stars ( 31 )

Estimated Ship Date: Monday 2/23/2026

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Chevrolet Performance Camshaft Locking Plates 10168501

Camshaft Retainer Plate, Steel, Chevy, 350, 2nd Design, 3.294 Bolt Center, ZZ3-ZZ4, Each

Part Number: NAL-10168501

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Auburn Gear Select-A-Loc 35 Spline Differential Dana 60 545022

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

Part Number: AUB-545022

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

WIX Filters Oil Filters 51042

Oil Filter, Replacement, AMC, Buick, Cadillac, Chevy, Olds, Pontiac, Each

Part Number: WIX-51042

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Mishimoto Performance Radiators MMRAD-DMAX-01

Radiator, Aluminum, Natural, Crossflow. 2-Row, Chevy, GMC, Each

Part Number: MIO-MRAD-DMAX-01

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Exact Fit Diesel Radiators SUM-380407

5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026

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2003 CHEVROLET SILVERADO 2500 HD Parts and Accessories