2003 CHEVROLET SILVERADO-2500-HD Engines & Components

Piston Rings, Premium Ductile Ring Sets, 0.020 in. Oversize, 4.270 in. Bore, Plasma-moly, 2.0mm, 2.0mm, 4.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M5085020

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Set of 5

Part Number: KGB-MB5293SI030

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SERPENTINE BELT KIT, DAYCO

Part Number: DAC-5061195K1

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Valves, Exhaust, 1.551 in. Diameter, .313 in. Stem, 4.923 in. Length, Chevy, Each

Part Number: MEL-V1935S

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Pushrod, Steel, 3/8 in. Diameter, 8.190 in. Length, Ball/Ball Ends, Each

Part Number: MEL-MPR-638

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Engine Camshaft, High Performance Camshaft

Part Number: MEL-22307

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Main Bearings, XP-Series, Performance, .001 Extra Clearance, Tri-Metal, Dart LS Next, Set of 5

Part Number: KGB-MB5777XPSTDX

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Estimated Ship Date: Feb 4, 2026 if ordered today

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

Part Number: MEL-MPR-639

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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

Timing Set; Hex-A-Just True Roller Timing Set; Incl. Cam Sprocket; 3 Keyway Crank Sprocket; Roller Chain; Doub

Part Number: CLO-9-3159A-5

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Estimated Ship Date: Nov 24, 2025 if ordered today

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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

Oil Pickup, Press Fit, Stock Pan Style, for 9.000 in. Oil Pan, Chevy, GMC, V8, Big Block, 7.4L/454, Each

Part Number: SLP-224-14264

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pistons, Hypereutectic, Flat, 4.290 in. Bore, 2.0mm, 2.0mm, 4.0mm Ring Grooves, Chevy, Big Block, V8, Set of 8

Part Number: UEM-3494HC-040

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Estimated Ship Date: Dec 15, 2025 if ordered today

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BRACKET STEETING/GENERATOR

Part Number: NAL-12554030

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Estimated Ship Date: Mar 5, 2026 if ordered today

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Oil Drain Pan Plugs, Plug, Thread Size 12mm x 1.75, Each

Part Number: RNB-090-936CD

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Estimated Ship Date: Today

Oil Filter Relocation Kit, Dual Filter, 30 in. Length Hoses, Kit

Part Number: TRD-1222

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Rod Bearings, .020 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Set of 8

Part Number: KGB-CR865SI020

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Oil Drain Plug Magnetic M12-1.75, Head Size 15Mm

Part Number: RNB-090-091-1

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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

• $20.00 Summit Bucks

Oil Pump, Standard-Volume, Standard-Pressure, Chev, Big Block, 8.1L, Each

Part Number: MEL-M307-307S

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Dec 3, 2025 if ordered today

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VALVE ASM

Part Number: ADO-24051711

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• $20.00 Summit Bucks

Main Bearings, Competition, 0.001 in. Crankshaft Undersize, Super Duty Alloy, 3/4 Groove, Chevy, Pontiac, 5.7L, Set of 5

Part Number: SLP-152M1

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Oil Filters, Ultraguard Gold Engine Oil Filters, Canister Style, Chevrolet, GMC, Hummer, Each

Part Number: ADO-19469533

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• $20.00 Summit Bucks

Adapter, Oil Filter Bypass, Bolt-On, Chevy, Aluminum, Natural, 1/2 in. NPT Inlet/Outlet, Each

Part Number: MIL-21565

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

DEMANDING DRIVE KIT, DAYCO

Part Number: DAC-D60923K1

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