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

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA532-.030K2

Pistons, Speed of Air, Dimpled Piston, 2618 Forged, 4.010 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA531-010K2

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA552-.005K2

Pistons, Speed of Air, Dimpled, 2618 Forged, 4.070 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +20.00cc Dish, Piston Rings, Chevy, 6.0L, 6.2L, Kit

Part Number: UEM-XA532-070K2

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA552-.030K2

Pistons, Speed of Air, Dimpled Piston, 4032 Forged, 4.030 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA552-030K2

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2C5085030

Engine Piston Ring Set, 8-Cyl Ring Set; Chrome

Part Number: HSN-2C5085030

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

All American Billet Serpentine Kits FDS-LSBT-751-CP

Accessory Drive Systems, Serpentine Kits, Power Steering Pulley, Black, Alternator, Power Steering Pump, A/C Compressor, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: AAY-FDSLSBT751CP

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

All American Billet Serpentine Kits FDS-LSBT-151

All American Billet Serpentine Kits FDS-LSBT-151

Accessory Drive Systems, Serpentine Kits, Power Steering Pulley, Black, Alternator, Power Steering Pump, A/C Compressor, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: AAY-FDS-LSBT-151

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

All American Billet Serpentine Kits FDS-LSBT-351

Accessory Drive Systems, Serpentine Kits, Power Steering Pulley, Black, Alternator, Power Steering Pump, A/C Compressor, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: AAY-FDS-LSBT-351

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

All American Billet Serpentine Kits FDS-LSBT-751

Accessory Drive Systems, Serpentine Kits, Power Steering Pulley, Black, Alternator, Power Steering Pump, A/C Compressor, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: AAY-FDS-LSBT-751

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

aFe Street Series Engine Oil Pans 46-70330

Oil Pans, Street Series, Wet Sump Style, 12.00 qt. Capacity, Cast Aluminum, Natural, Minimum 6.00 in. Lift Required, Chevrolet, GMC, 6.6L Diesel, Kit

Part Number: AFE-46-70330

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

aFe Pro Series Engine Oil Pans 46-70332

Oil Pans, Pro Series, 12.00 qt. Capacity, Cast Aluminum, Wrinkle Black Powdercoated, Minimum 6.00 in. Lift Required, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: AFE-46-70332

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

aFe Street Series Engine Oil Pans 46-71070A

Oil Pans, Street Series, 11.00 qt. Capacity, Cast Aluminum, Natural, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: AFE-46-71070A

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Pioneer Automotive Engine Expansion Plugs PE-101-B

BR EXP PLUG KIT

Part Number: PIO-PE-101-B

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Mahle Original OE Replacement Pistons 224-3451.040

Piston - GMC Trk.(6.6L) V8 Duramax Diesel (2001-2005) LEFT HAND PISTON

Part Number: MAH-2243451040

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Mahle Original OE Replacement Pistons 224-3452WR.020

Piston With Rings - GM 6.6L DURAMAX "R" W/PCR - .020 (DSL)

Part Number: MAH-2243452WR020

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Continental Accu-Drive Tensioners 49329

Belt Tensioner, Accu-Drive, Chevy, GMC, Each

Part Number: CEL-49329

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Pioneer Automotive Engine Expansion Plugs PE-101-R

BLOCK PLUG KIT

Part Number: PIO-PE101R

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Cloyes Hex-A-Just Timing Sets 9-3159AR

Timing Chain and Gear Set, Hex A Just Double Roller, Double Roller, 0.390 in. Raised Cam, Chevy, 4.8/5.3/6.0L, Set

Part Number: CLO-9-3159AR

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

VEGE Remanufactured Long Block Crate Engines DCFM

Crate Engine, Remanufactured, Long Block, Assembled, Chevrolet, GMC, 6.6L/403, Each

Part Number: VRE-DCFM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

Cloyes Replacement Timing Chains 9-4185

Timing Chain, Replacement, Single Roller, Steel, Chevrolet, GMC, Each

Part Number: CLO-9-4185

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

King Engine Bearings Main Bearings MB5398SI 020

Crankshaft Main Bearings

Part Number: KGB-MB5398SI020

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Mahle Original Aftermarket Replacement Pistons 224-3663-0.25MM

Piston - GM 6.0L 02-05 vin code U 0.25mm (Reduced Compression)

Part Number: MAH-2243663025MM

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Mahle Original Aftermarket Replacement Pistons 224-3663-0.75MM

Piston - GM 6.0L 02-05 vin code U 0.75mm (Reduced Compression)

Part Number: MAH-2243663075MM

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Mahle Original OE Replacement Single Piston and Ring Kits 224-3663WR-0.75MM

Piston With Rings, Hypereutectic, Dish, 6.0L, 2nd Design, Each

Part Number: MAH-2243663WR075

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

MAHLE Original Pistons 224-4085

PISTON

Part Number: MAH-2244085

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

MAHLE Original Pistons 224-4085.020

PISTON

Part Number: MAH-2244085020

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today