2003 CHEVROLET SILVERADO 2500 HD Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options

Pioneer Timing Cover Fasteners S-1105

Timing Cover Fasteners, Ten 1/4 in.-20 x 7/16 in. Bolts with Lock Washers, Natural, Fits Stamped Steel Covers, Chevrolet, V8, Set of 10

Part Number: PIO-S-1105

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dayco Poly Rib Serpentine Belts 5040378

Belt, Poly Rib, Serpentine, 4-Rib, 37.80 in. Length, Each

Part Number: DAC-5040378

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Melling Timing Chain Sets 3-4SR50SC

Melling Timing Chain Sets 3-4SR50SC

CAHIN-TIMING SET (3)

Part Number: MEL-3-4SR50SC

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Idler Pulleys 419-602

Idler Pulley, Serpentine, Steel, Black, Each

Part Number: RNB-419-602

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATI Super Damper Diesel Harmonic Balancers ATI917378

Harmonic Balancer, Super Damper Diesel, Internal Balance, Steel, Elastomer, SFI 18.1, Each

Part Number: ATI-917378

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 9, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ATI Super Damper Diesel Harmonic Balancers ATI917369

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Sealed Power Stock Replacement Oil Pumps 224-43645

Oil Pump, OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: SLP-224-43645

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ACDelco Thrust Washers 89017572

Thrust Washer Bearings, Performance Usage, Stock Size, Buick, Chevrolet, GMC, Hummer, Pontiac, Pair

Part Number: ADO-89017572

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Sealed Power A-Series Rod Bearings 8-2555A 1

Rod Bearings, 0.001 in. Crankshaft Undersize, Bi Metal, AM General, Avanti, Checker, Chevy, Pontiac, Hummer, V8, Set of 8

Part Number: SLP-8-2555A1

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pacific Performance Engineering Oil Pan Drain Plugs 114052001

Oil Pan Drain Plug, Magnetic, 14mm x 1.50, Includes Gasket, Chevrolet, GMC, 6.6L Duramax, Each

Part Number: PPE-114052001

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Cloyes Replacement Timing Chains 9-302

Timing Chain, Single Roller, Replacement, Chevrolet, Small Block, LS, Each

Part Number: CLO-9-302

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 6, 2026 if ordered today

Summit Racing™ Valve Cover Oil Fill Caps SUM-380191

Engine Oil Cap, Billet Aluminum, Summit Racing Equipment® Logo, Black Anodized, Chevy, LS Engines, Each

Part Number: SUM-380191

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

VEGE Remanufactured Cylinder Heads 2CW2L

Cylinder Heads, Remanufactured, Assembled, Cast Iron, Natural, Left, Chevy, GMC, Workhorse, Workhorse Custom Chassis, 8.1L, Each

Part Number: VRE-2CW2L

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 2, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 2, 2026 if ordered today

Melling Pushrods MPR-639

Pushrod, Steel, 3/8 in. Diameter, 9.132 in. Length, Ball/Ball Ends, Each

Part Number: MEL-MPR-639

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Hastings Premium Ductile Ring Sets 2D4845

Piston Rings, Gas Nitrided, 4.055 in. Bore, 3.0mm, 2.0mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2D4845

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 9, 2026 if ordered today

Dorman Oil Pan Drain Plugs 090-034.1

Oil Drain Plug Pilot Point M12-1.75, Head Size 15Mm

Part Number: RNB-090-034-1

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Hayden Thermostatic Sandwich Oil Filter Adapters 225

Oil Filter Adapter, Sandwich, 3/8 in. NPTF, 13/16-16 in. Nipple Thread Size, Aluminum, Natural, Each

Part Number: HDA-225

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Melling Engine Expansion Plug Kits MPE-901BR

Engine Expansion, Plug Kit, Stock Replacement, Cylinder Head, 1.250 in. Diameter, Brass, Kit

Part Number: MEL-MPE-901BR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

PRW Main Cap Stud Kits 1000321

Main Studs, SCM-4140 Alloy Steel, 12-Point, Chevy, 6.6L, Duramax Diesel, LB7, LLY, Kit

Part Number: PQX-1000321

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 24, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Extreme Duty Main Studs SUM-910522

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

King HP-Series Rod Bearings CR 807HPN010X

Rod Bearings, HP-Series, .010 in. Narrow, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807HPN010X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Hastings Premium Ductile Ring Sets 2M4860S020

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4860S020

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Expansion Plugs 555-081

Freeze Plugs, Steel, 2.219 in. Closed End Diameter, 2.226 in. Open End Diameter, Chevy, GMC, Set of 10

Part Number: RNB-555-081

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Melling Oil Pump Screen Assemblies 353S

Oil Pickup, Press Fit, Stock Pan Style, 0.594 in. Tube Dia., Chevy, GMC, V8, Big Block, 6.0, 7.0, 7.4, 8.1L, Each

Part Number: MEL-353S

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Sealed Power Oil Pump Pickups 224-43620

Oil Pickup, Press Fit, Stock Pan Style, for 8.000 in. Oil Pan, Chevy, GMC, V8, Big Block, 396-454, Each

Part Number: SLP-224-43620

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Cloyes Wear Plates 9-232

Camshaft Thrust Bearing, Needle Bearing, Steel, Chevy, LS, Each

Part Number: CLO-9-232

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

PRW Billet Steel Timing Sets 5034611

Timing Chain and Gear Set, Roller, Single Roller, Billet Steel Sprockets, Chevy, GMC, Small Block LS, Set

Part Number: PQX-5034611

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 24, 2026 if ordered today