2003 CADILLAC Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

Enginetech Cam and Lifter Kits ECK1567

Camshaft Kit, Hydraulic Roller, 190 int./192 exh. Duration, 0.402/0.410 Lift, with Roller Lifters, Chevy, GMC, 4.8L, 5.3L, 6.0L, Kit

Part Number: EGN-ECK1567

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Perma-Cool Oil Filter Relocation Kits 10714

Perma-Cool Oil Filter Relocation Kits 10714

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

Part Number: PRM-10714

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 8, 2026 if ordered today

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Estimated Ship Date: Jul 8, 2026 if ordered today

Mahle Original Aftermarket Replacement Pistons 224-3665

Piston - 6.0L 06-09 FLOATING PIN. GM TRUCKS VIN CODE H (Reduced Compression)

Part Number: MAH-2243665

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Melling Valve Springs VSK46656

VALVE SPRING KIT

Part Number: MEL-VSK46656

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Melling Valve Springs VSK46656T

VALVE SPRING KIT

Part Number: MEL-VSK46656T

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Melling Camshafts 22323

CAMSHAFT ENGINE

Part Number: MEL-22323

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Melling Camshafts 22308

CAMSHAFT ENGINE

Part Number: MEL-22308

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Dorman Automatic Belt Tensioners 419-117

Automatic Belt Tensioner, Smooth Pulley, Buick, Cadillac, Oldsmobile, Pontiac, Each

Part Number: RNB-419-117

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Dorman Power Steering Pulleys 300-128

Power Steering Pulley, Stock, Serpentine, 6-Groove, Steel, Black, Each

Part Number: RNB-300-128

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA552-.070K2

Pistons, Speed of Air, Dimpled, 4032 Forged, 3.800 in. Bore, 3.622 in. Stroke, 6.098 in. Rod, +3.00cc Flat Top, Piston Rings, Chevy, 4.8L, 5.3L, Kit

Part Number: UEM-XA545-020K2

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Mahle Original Aftermarket Replacement Pistons 224-3665-0.50MM

Piston - 6.0L 06-09 FLOATING PIN. GM TRUCKS VIN CODE H 0.50MM (Reduced Compression)

Part Number: MAH-2243665050MM

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

Enginetech Piston Sets P3079(8).50

Engine Piston Set 99-04 BUI/CAD/CHV/GMC/IZU 5.3L

Part Number: EGN-P3079850

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA545-.010K2

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

Part Number: UEM-XA531-STDK2

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Mahle Original Aftermarket Replacement Pistons 224-3665-1.00MM

Piston - 6.0L 06-09 FLOATING PIN. GM TRUCKS VIN CODE H 1.00MM (Reduced Compression)

Part Number: MAH-2243665100MM

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Mahle Original Premium Piston Ring Sets for 2003-2004 CTS - 42126CP

Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42126CP

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

MAHLE Original Pistons 224-3665WR

Piston With Rings - 6.0L 06-09 FLOATING PIN. GM TRUCKS VIN CODE H (Reduced Compression)

Part Number: MAH-2243665WR

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Mahle Original Aftermarket Replacement Pistons 224-3665-0.75MM

Piston - 6.0L 06-09 FLOATING PIN. GM TRUCKS VIN CODE H 0.75MM (Reduced Compression)

Part Number: MAH-2243665075MM

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Melling Camshafts 22500

Engine Camshaft, High Performance Camsha

Part Number: MEL-22500

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Melling Camshafts 22328

CAMSHAFT ENGINE

Part Number: MEL-22328

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Cloyes Timing Chain Guides 9-5309

Timing Chain Guide, Left Side Lower, Nylon, White, Buick, Cadillac, Oldsmobile, Each

Part Number: CLO-9-5309

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Enginetech Piston Sets P5038(8)040

Engine Piston Set 03-06 CAD/CHV/GMC/Hummer/IZU/PON 6.0L

Part Number: EGN-P50388040

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Enginetech Piston Ring Sets S93158-.25

Engine Piston Ring Set 00-13 BUI/CAD/DOD/JEP/PON/Ram 4.6L/4.7L

Part Number: EGN-S9315825

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Cloyes Replacement Timing Chains 9-4186

CHAINS

Part Number: CLO-9-4186

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cloyes Replacement Timing Chain Tensioners 9-5314

TENSIONER

Part Number: CLO-9-5314

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

King Engine Bearings Main Bearings MB5398SI 020

Crankshaft Main Bearings

Part Number: KGB-MB5398SI020

Not Yet Reviewed

Estimated Ship Date: Jul 10, 2026 if ordered today

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Estimated Ship Date: Jul 10, 2026 if ordered today