2004 GMC Engine Gaskets & Seals

Head Gasket, Multi-Layer Steel, Replacement, Grade C, GM, 6.6L Duramax, Passenger Side, Each

Part Number: NAL-12637788

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Head Gasket, 3.910 in. Bore, .051 in. Compressed Thickness, Chevy, LS, 5.7, Each

Part Number: CGT-C5475-051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Head Gasket, MLS, 4.060 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-030

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, MLS, 4.100 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-045

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Head Gasket, Multi-Layer Steel, Replacement, 1.05mm Thickness, Grade C, GM, 6.6L Duramax, Driver Side, Each

Part Number: NAL-12637785

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Head Gasket, MLS, 4.160 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-051

Not Yet Reviewed

Estimated Ship Date: Today

Timing Cover Gaskets, Timing Chain Cover Gaskets, Rubber, Water Pump Gaskets, Timing Cover Seal, Chevy, Small Block LS, Set

Part Number: MRG-61015G

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, MLS, 4.060 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-027

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, MLS, 4.100 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Head Gasket, 3.910 in. Bore, .045 in. Compressed Thickness, Chevy, LS, 5.7, Each

Part Number: CGT-C5475-045

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, MLS, 4.100 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-027

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, MLS, 4.100 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-036

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Head Gasket, Multi-Layer Steel, GM, Duramax 6.6L Engine, Each

Part Number: MAH-54582

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Head Gasket, MLS, 4.130 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-040

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, 3.910 in. Bore, .027 in. Compressed Thickness, Chevy, LS, 5.7, Each

Part Number: CGT-C5475-027

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, MLS, 4.060 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-045

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, MLS, 4.060 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-036

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, MLS, Multi-layer Stainless Steel, 4.000 in. Bore, 0.036 in. Compressed Thickness, Chevrolet, LS, Each

Part Number: CGT-C5477-036

Not Yet Reviewed

Estimated Ship Date: Today

Intake Manifold Gaskets, Chevy, 4.3L V6, Pair

Part Number: ADO-89017866

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

GM LS1/LS2/LS3/LS6 Gen-3/4 Small Block V8 .036" MLS Cylinder Head Gasket, 3.810" Bore

Part Number: CGT-C15361-036

Not Yet Reviewed

Estimated Ship Date: Today

.040" MLS- RH SIDE HEAD GASKET

Part Number: CGT-C5761-040

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

.040" MLS- LH SIDE HEAD GASKET

Part Number: CGT-C5764-040

Not Yet Reviewed

Estimated Ship Date: Today

Rear Main Seals, Rear Crankshaft Oil Seals, One-piece, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: ADO-97209342

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, MLS, 4.160 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-027

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

• Drop Ship
• Special Order

Head Gasket, MLS, 4.130 in. Bore, .032 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-032

Not Yet Reviewed

Estimated Ship Date: Today