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

Summit Racing™ Standard Timing Sets SUM-TS73133

Timing Chain and Gear Set, Heavy Duty, Single Non-Roller, Iron/Billet Steel Sprockets, Chevy, Small Block, Set

Part Number: SUM-TS73133

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today

Dorman Oil Pan Drain Plugs 090-208

Oil Drain Pan Plugs, Plug, Thread Size 12mm x 1.75, Set of 10

Part Number: RNB-090-208

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

Melling Rocker Arm Nuts MRM-100HP

Melling Rocker Arm Nuts MRM-100HP

ROCKER ARM NUT SET

Part Number: MEL-MRM-100HP

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 Replacement Timing Chains 9-4194

Timing Chain; Hex-A-Just, Original True Roller Timing Chain; Replacement, Each

Part Number: CLO-9-4194

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Continental OE Technology Series Idler Pulleys 49154

Idler Pulley, Serpentine, Steel, Black, Each

Part Number: CEL-49154

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Cometic Camshaft Thrust Plates C15031

CAM PLATE W/RECESSED BOLTS

Part Number: CGT-C15031

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Continental OE Technology Series Multi-V Belts 4030245

Belt, OE Technology Series, Multi-V, Serpentine, 3-Rib, 24.50 in. Length, Each

Part Number: CEL-4030245

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Granatelli Motor Sports Valve Cover Grommets 640368

Valve Cover Grommets, Rubber, Chevy, LS, Set of 8

Part Number: GRN-640368

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Sealed Power A-Series Rod Bearings 2555A 1

Rod Bearing, 0.001 in. Crankshaft Undersize, Bi Metal, AM General, Avanti, Buick, Chevy, GMC, Hummer, Oldsmobile, L6, V8

Part Number: SLP-2555A1

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Cloyes Replacement Timing Chains 9-4187

Timing Chain, Replacement, Single Roller, Steel, Buick, Cadillac, Oldsmobile, Pontiac, Each

Part Number: CLO-9-4187

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

King SI-Series Rod Bearings CR8003SI

Rod Bearings, Standard Size, Bi-metal, Silicon Aluminum, Set of 8

Part Number: KGB-CR8003SI

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Melling Rocker Arm Studs MRDS-100HP

STUD ENG VALVE ROCKER ARM

Part Number: MEL-MRDS-100HP

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Clevite AL-Series Main Bearings MS-2199A-20

Chevrolet V8, 294-325-346-365, 1997-07

Part Number: CLE-MS2199A20

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Hastings Premium Ductile Ring Sets 2C5024

Piston Rings, Premium Ductile Ring Sets, Standard Size, 3.661 in. Bore, Chrome Top Ring, 1.2mm, 1.5mm, 2.5mm Ring Thickness, Cadillac, V8, Set of 8

Part Number: HSN-2C5024

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Sealed Power Hydraulic Lifters HT-2307

Lifter, Hydraulic Flat Tappet, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Olds, Pontiac, Saab, Saturn, Each

Part Number: SLP-HT2307

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Sealed Power A-Series Rod Bearings 8-2555A 30

Rod Bearings, 0.030 in. Crankshaft Undersize, Bi Metal, AM General, Avanti, Checker, Chevy, Pontiac, Hummer, V8, Set of 8

Part Number: SLP-8-2555A30

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Fram Extra Guard Oil Filters for 2003-2004 CTS - CH9447

Oil Filter, Extra Guard, Cartridge Style, Each

Part Number: FRM-CH9447

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

MAHLE Original Pistons 224-3665WR-0.50MM

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

Part Number: MAH-2243665WR050

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

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: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Enginetech Main Bearings BC409J001

Engine Crankshaft Main Bearing Set 97-17 BUI/CAD/CHV/GMC/Hummer/IZU/PON/SAB 4.8L/5.3L/5.7L/6.0L/6.2L

Part Number: EGN-BC409J001

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

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

PRW Pushrod Guideplates (PowerPlus+) 1134600-01

PUSHROD GUIDEPLATES, GM LS 4.6L-5.7L 1998-08, 3/8", Flat, Single Piece

Part Number: PQX-1134600-01

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

ATP Graywerks Harmonic Balancers 102138

Harmonic Balancer, Internal Balance, Nodular Iron, Cadillac/Saturn, V6, Each

Part Number: ATP-102138

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