Availability
2003 CADILLAC Engine Gaskets & Seals
Water Pump Gasket, GM Genuine Part, Rubber/Steel Core, Buick, Cadillac, Oldsmobile, Pontiac, Each
Part Number: ADO-251-2023
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, MLX, 4.040 in. Bore, .044 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5505-044
Not Yet Reviewed
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Head Gasket, MLS, 4.190 in. Bore, .056 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5319-056
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
GM LS Gen-3/4 Small Block V8 Rear Main Cover Gasket
Part Number: CGT-C15281
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Valve Cover Gaskets, Neoprene, Chevy, LS, Pair
Part Number: GRN-640369
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Head Gasket, MLS, 4.190 in. Bore, .045 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5319-045
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
.045" MLS HEAD GASKET
Part Number: CGT-C5476-045
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
.040" MLS HEAD GASKET
Part Number: CGT-C15517-040
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Engine Timing Cover Gasket 97-20 BUI/CAD/CHV/GMC/Hummer/IZU/PON/SAB 4.8L/5.3L/5.7L/6.0L/6.2L/7.0L
Part Number: EGN-TCG293-A
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Engine Timing Cover Gasket Set 97-20 BUI/CAD/CHV/GMC/Hummer/IZU/PON/SAB 4.8L/5.3L/5.7L/6.0L/6.2L/7.0L
Part Number: EGN-TCC293-A
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Engine Gasket Sets, Original Head Gasket Sets, Cadillac, Chevy, GMC, Hummer, 6.0L, Set
Part Number: MAH-HS54332
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
O-Ring
Part Number: FEL-35633
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
.084" MLS-5 HEAD GASKET
Part Number: CGT-C5475-084
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Head Gasket, MLS, 4.060 in. Bore, .080 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5751-080
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
.027" MLS HEAD GASKET
Part Number: CGT-C5716-027
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
.027" MLS HEAD GASKET
Part Number: CGT-C5717-027
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Head Gasket, MLS, 4.130 in. Bore, .070 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5317-070
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, MLX, 4.040 in. Bore, .060 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5505-060
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Valve Cover Gaskets, PermaDry, Molded Rubber Compound, Buick, Cadillac, Oldsmobile, Pontiac, Shelby, Pair
Part Number: FEL-VS50526R
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, MLS, Multi-layer Stainless Steel, 4.000 in. Bore, 0.049 in. Compressed Thickness, Chevrolet, LS, Each
Part Number: CGT-C5477-049
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
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
Estimated Ship Date: May 11, 2026 if ordered today
USE MHG GS33433
Part Number: FEL-35794
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
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 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
WATER PUMP BACKING O-RING
Part Number: CGT-C15033
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Head Gasket, Multi-Layer Steel, 3.700 in Bore, .040 in. Thickness, Cadillac, 4.6L, Left Side, Each
Part Number: CGT-C5717-066
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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