2003 CHEVROLET SILVERADO-2500-HD Engines & Components

Main Bearings, SI-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Set of 5

Part Number: KGB-MB5293SI020

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Stock Replacement Engine Valve Lifter Guide

Part Number: MEL-MLG100

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Timing Gear, Camshaft Sprocket, 44-tooth, Steel, Chevy, Each

Part Number: CLO-S878T

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Oil Pump, Standard-Volume, Standard-Pressure, Chev, Big Block, 7.4L, Each

Part Number: MEL-M307

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Rod Bearing, A-Series, 0.010 in. Crankshaft Undersize, Bi Metal, Chevy, GMC, Big Block, Each

Part Number: SLP-3190A10

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Rod Bearings, 0.010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Set of 8

Part Number: KGB-CR865SI010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

Cylinder Head Stud, 4135 Steel, 12-Point Nuts, Chevy, GMC, 6.6L/400, Diesel, LB-7, LLY, LBZ,LMM,LML, Kit

Part Number: PQX-1040301

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Belt, OE Technology Series, Multi-V, Serpentine, 6-Rib, 93.00 in. Length, Each

Part Number: CEL-4060930

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/13/2025

Engine Expansion Plugs, Cadillac, Chevy, Small Block LS, Kit

Part Number: CCA-251

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

PCV Valve Hose, GM OE, Rubber, Black, Buick, Cadillac, Chevy, GMC, Each

Part Number: ADO-12556932

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

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: Monday 10/13/2025

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: Oct 28, 2025 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

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Pistons, Hypereutectic, Dish, 102.35mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8

Part Number: UEM-3516HC-75MM

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2025 if ordered today

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Camshaft Wear Plate, 0.150 in. Thick, Bronze, Chevy, Chrysler, Each

Part Number: CLO-9-220B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

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

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Idler Pulley, Replacement, Serpentine, 6-groove, Steel, Black, Buick, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Each

Part Number: ADO-38009

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/13/2025

Idler Pulley, No Slack, Each

Part Number: DAC-89051

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/13/2025

Oil Filter, Canister, 13/16 in.-16 Thread, Chevy, GMC, Hummer, 6.6L Diesel, Each

Part Number: WIX-57202

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/13/2025

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

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

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Dipstick Replacement Parts, O-ring Seal, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Suzuki, Each

Part Number: ADO-24504031

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Accessory Belt, V-Ribbed, Serpentine, 6-Ribs, 96.08 in. Length, 0.807 in. Width, Cadillac, Chevy, Ford, GMC, Oldsmobile, Saab, Volvo, Each

Part Number: ADO-6K956

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Camshafts HYD. TORQUE CAMSHAFT

Part Number: MEL-MTC-8

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

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Pistons, Hypereutectic, Flat, 4.250 in. Bore, 2.0mm, 2.0mm, 4.0mm Ring Grooves, Chevy, Big Block, V8, Set of 8

Part Number: UEM-3494HC-STD

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2025 if ordered today

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Serpentine Belt, V-ribbed, 37.90 in. Length, 0.56 in.. Width, 4 Rib, Each

Part Number: ADO-4K378

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025