2003 CHEVROLET SILVERADO-1500 Engines & Components

Harmonic Balancer Component, Replacement Hub, Internal Engine Balance, Heat Treated (1) One 3/16 in. Keyway, Cadillac, Chevy, Each

Part Number: ATI-916032H

5.0 out of 5 stars ( 1 )

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Lifter, Hydraulic Roller, Chevy, GMC, Each

Part Number: ADO-12721203

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

Part Number: PQX-1034641

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Main Bearing Set, CHEVROLET LS series L20, LS1/2/4/6 - pMaxKote

Part Number: KGB-MB5013XPC010

5.0 out of 5 stars ( 1 )

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Main Bearings, Competition, 0.010 in. Crankshaft Undersize, Super Duty Alloy, 3/4 Groove, Chevy, Pontiac, 5.7L, Set of 5

Part Number: SLP-152M10

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Oil Filter Relocation Kit, Single Filter, 3/4-16 in. Filter Threads, 13/16-16 in. Engine Threads, Kit

Part Number: TRD-1120

3.0 out of 5 stars ( 6 )

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Crank Hub, Internal Engine Balance, Chevy, Small Block LS, Each

Part Number: ATI-916045

5.0 out of 5 stars ( 1 )

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Valve Covers, Replacement, Stock, Baffled, Cast Aluminum, Natural, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-12582224

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Adapter, Oil Thermostat, Sandwich, Aluminum, Natural, 13/16-16 in. Thread, -10 AN O-Ring Inlet/Outlet, Each

Part Number: EAR-503ERL

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Air Conditioning Pulley, 4-Rib Serpentine, Steel, Black, Chevrolet, GMC, LS, Each

Part Number: ATI-916734B

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Crankshaft Pulley, Serpentine, Aluminum, Clear Powdercoated, Underdrive, Chevy, GMC, 4.3/5.0/5.7L, Each

Part Number: MCH-4311

5.0 out of 5 stars ( 2 )

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Timing Set, Double Roller, Billet Steel Crank Sprocket, Iron Cam Sprocket, Chevy, LS1/LS2/LS6, Set

Part Number: CLO-9-3659X3

1.5 out of 5 stars ( 2 )

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Main Bearings, Race Series, Tri-Metal, 3/4 Groove, .020 in. Crankshaft Undersize, Chevrolet, LS, Set of 5

Part Number: PEB-5M7298H-20

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Rod Bearings, Race Series, CT-1 Coated, Tri-Metal, .010 in., .25mm Crankshaft Undersize, Chevrolet, Small Block, LS, Set of 8

Part Number: PEB-8B663HC-010

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Piston Rings, Moly, 4.060 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-921K60

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Power Steering Pulley, Serpentine, 8-Groove, Press Fit, 6.260 in. Outside Diameter, Billet Aluminum, Natural, Chevy, GMC, Truck, LS, Each

Part Number: INW-979

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Silv-O-Lite Piston - Chevrolet 325ci/5.3L (V8) Kit with Rings

Part Number: UEM-3472HC-025K1

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Pistons, Hypereutectic, Flat, 96.01mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Set of 8

Part Number: UEM-3482HC-STD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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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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Crank Hub, Internal Engine Balance, Dual Key, Chevy, Small Block, 4.8L LS, 5.3L LS, 6.2L LS, Each

Part Number: ATI-916430MK

5.0 out of 5 stars ( 1 )

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Harmonic Balancer, Elastomer, Steel, Black, 7.710 in. O.D., Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Saab, Each

Part Number: NAL-19300488

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 96.01mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, Set of 8

Part Number: UEM-3472HC-STD

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Tensioner Pulley, 8-Rib, Serpentine, Billet Aluminum, Natural, Chevy, GMC, LS, Each

Part Number: INW-973

5.0 out of 5 stars ( 1 )

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Piston Rings, Plasma-moly, 4.030 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: MAH-42084CP030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 20, 2025 if ordered today

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Rod Bearings, HP-Series, Silicon Aluminum, 0.011 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8

Part Number: KGB-CR807HPND011

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