2003 CHEVROLET SILVERADO 2500 HD Engines & Components

Lifters, GM Genuine Parts, Hydraulic Roller, Chevrolet, GMC, Each

Part Number: ADO-12722012

Not Yet Reviewed

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

Cam Bearings, B-1, Chevy, 4.8, 5.3, 5.7, 6.0L, 1st Design, Set

Part Number: CLE-SH1814S

4.0 out of 5 stars ( 16 )

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

Harmonic Balancer, Super Damper, External Balance, Steel, Chevy/GMC, Duramax Diesel, Each

Part Number: ATI-917371

4.67 out of 5 stars ( 3 )

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

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Harmonic Balancer, Race Performance, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, V8, Each

Part Number: PBB-PBU1190SS25

4.67 out of 5 stars ( 3 )

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

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Oil Filter Relocation Kit, Single Filter, 3/4-16 in. Filter Threads, Various Engine Threads, Kit

Part Number: DER-15748

4.91 out of 5 stars ( 11 )

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

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Rod Bearings, Direct Replacement, AL-5, Set of 8

Part Number: CLE-CB1776A8

5.0 out of 5 stars ( 2 )

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

Windage Trays, GM Genuine Parts, Louvered, Rear Sump, Steel, Natural, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-12611129

Not Yet Reviewed

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

Timing Chain Kit, Single Roller Style, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, V8, Kit

Part Number: CLO-C3220

4.1 out of 5 stars ( 10 )

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

Harmonic Balancer, External Balance, Steel, Black, Chevy/GMC, Duramax Diesel, Each

Part Number: FLU-890101

4.0 out of 5 stars ( 4 )

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

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Harmonic Balancer, Steel, SFI 18.1, 8.00 in. Diameter, Chevy, Internal Balance, Black, Each

Part Number: PQX-2539600

Not Yet Reviewed

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

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Air, Oil, Separator Tank, Aluminum, Polished, 3 in. Diameter, 4 in. Height, Chevy, GMC, Hummer, Kit

Part Number: MOR-85481

4.69 out of 5 stars ( 61 )

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

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Alternator/Power Steering Bracket, Low Mount, Billet Aluminum, Natural, Chevy, LS, Kit

Part Number: ICB-551669-3

4.3 out of 5 stars ( 10 )

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

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Harmonic Balancer, Steel Shell, Less Hub, Chevy, Chrysler, Each

Part Number: ATI-917071

5.0 out of 5 stars ( 1 )

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

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Main Bearings, HP Series, 1/2 Groove, Standard Size, Bi Metal, Chevrolet, 5.7L, Set of 5

Part Number: KGB-MB5013HPSTDX

Not Yet Reviewed

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

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Oil Pump Pickup, Engine Oil Pump Pickup Tube and Screen, Screen ASM Oil Pump Pickup with Suction Tube, Each

Part Number: ADO-12563961

5.0 out of 5 stars ( 3 )

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

Main Bolts, 6-Bolt Main, Inner Bolts, Chevy, 4.8, 5.3, 5.7, 6.0L, Each

Part Number: NAL-12560272

5.0 out of 5 stars ( 2 )

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

Freeze Plugs, Brass/Steel, Chevy, GM LS Engine, Kit

Part Number: MEL-MPE-900BR-GP

5.0 out of 5 stars ( 4 )

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

Accessory Belts, V-Ribbed Serpentine Belts, 6-rib, 0.807 in. Width, 93.58 in. Length, Buick, Cadillac, Chevrolet, GMC, Mercedes-Benz, Mercury, Each

Part Number: ADO-K060930HD

5.0 out of 5 stars ( 2 )

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

Valve Cover Bolts, Steel, Chevy Small Block, L92, Each

Part Number: NAL-12577215

4.87 out of 5 stars ( 15 )

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

Timing Chain and Gear Sets, Double Roller, Seamless Timing Chain, 3-bolt, Billet Steel Cam Gear, Steel Crank Gear, Chevy, GMC, Pontiac, Saab, V8, Set

Part Number: MEL-48561T-9

4.5 out of 5 stars ( 2 )

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

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Oil Cooler Adapter, Right Angle, -10 AN Inlet, -10 AN Outlet, Billet Aluminum, Black Anodized, Hardware, Each

Part Number: EAR-LS0012ERL

5.0 out of 5 stars ( 5 )

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

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Cylinder Head Fasteners, Original Head Bolt Kits, Hex, Steel, Natural, Flat Washers, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Kit

Part Number: MAH-GS33380

4.17 out of 5 stars ( 12 )

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

Cylinder Head Studs, 8740 Chromoly, 200,000 PSI Tensile Strength, Black Oxide, 12-Point Nuts, Undercut, Chevy, LS, Kit

Part Number: PQX-1034641

Not Yet Reviewed

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

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Idler Pulleys, GM OE, Serpentine, Steel, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-12669569

5.0 out of 5 stars ( 3 )

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

Oil Filter, Performance Gold, Canister, 3.75 in. Tall, 3.00 in. Diameter, 13/16 in.-16 Thread, Anti-Drainback, Spin-On, Each

Part Number: KNN-HP-1007

4.82 out of 5 stars ( 28 )

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