2003 CADILLAC Engine Gaskets & Seals

Water Pump Gasket, GM Genuine Part, Rubber/Steel Core, Requires 2 Gaskets Per Engine, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-251-663

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Oil Strainer Gasket and Seal, Viton®, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, Saab, Small Block LS, Pair

Part Number: MEL-M29517

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Oil Cooler Adapter Gasket, Cadillac, Chevy, GMC, Hummer, Chevy Small Block LS, Each

Part Number: NAL-15203889

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Gasket, Water Pump, LS1, Each

Part Number: FEL-35635

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Oil Pump Gasket, O-Ring, Rubber, Each

Part Number: FEL-72401

4.69 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Coolant Bypass Seals, Rubber/Steel, LS GEN III/IV, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Set of 4

Part Number: RNB-56390

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Water Pump Gaskets, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Pair

Part Number: FEL-ES73010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Drain Plug Gasket, AM General, Buick, Chevy, GMC, Isuzu, Oldsmobile, Pontiac. Saab, Saturn, Workhorse, Each

Part Number: FEL-70820

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Oil Cooler Gaskets, Gasket, Each

Part Number: FEL-72435

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Oil Pan Drain Plug Gaskets, Engine Oil, O-ring Style Seal, Rubber, Black, 2.65mm Thick, GM, Hummer, Isuzu, Saab, Saturn, Suzuki, Each

Part Number: ADO-12616850

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Seal, Water Crossover Seal, Rubber/Steel, Chevrolet, Each

Part Number: BTC-BTR51933

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Oil Cooler Gaskets, Gasket, Each

Part Number: FEL-72462

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Timing Cover Seals, ACDelco Crankshaft Front Seals, Multi-Purpose Seal, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Each

Part Number: ADO-4762N

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Gasket, Water Neck, Rubber, O-Ring, Each

Part Number: FEL-35632

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

EGR Gasket, Steel Core Laminate, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: FEL-70947

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

O-Ring

Part Number: FEL-35633

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

EGR Gasket, Rubber, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: FEL-70895

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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USE MHG GS33433

Part Number: FEL-35794

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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EGR Gasket, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Shelby, Each

Part Number: FEL-70914

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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WATER PUMP BACKING O-RING

Part Number: CGT-C15033

Not Yet Reviewed

Estimated Ship Date: Jun 22, 2026 if ordered today

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Camshaft Seal, Silicone, Cadillac, Chrysler, Dodge, Eagle, Jeep, Mitsubishi, Plymouth, Saab, Saturn, Front

Part Number: CEL-CS13709

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Engine Water Pump Mounting Gasket, Stock

Part Number: MEL-MWPG-500

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Water Neck Gaskets and O-Rings, Rubber, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Saturn, Shelby, Each

Part Number: FEL-35346

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Cam Seals, Rubber, Black, Front, Buick, Cadillac, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: FEL-TCS45603

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Water Pump Gasket, Rubber, Cadillac, Pontiac, Each

Part Number: FEL-35987

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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