2004 GMC Gaskets & Seals - Free Shipping on Orders Over $109 at Summit Racing

Mahle Original Thermostat Housing and Coolant Outlet Gaskets C31889

General Motors Truck 6.6L Duramax Diesel 2001-2009 All Engine Codes and VIN

Part Number: MAH-C31889

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Cometic MLS Head Gaskets C5489-086

Cometic MLS Head Gaskets C5489-086

Head Gasket, MLS, 4.100 in. Bore, .086 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-086

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic MLS Head Gaskets C5489-075

Head Gasket, MLS, 4.100 in. Bore, .075 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-075

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic MLS Head Gaskets C5475-092

.092" MLS-5 HEAD GASKET

Part Number: CGT-C5475-092

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic MLS Head Gaskets C5317-092

Head Gasket, MLS, 4.130 in. Bore, .092 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-092

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic Head Gaskets C5319-098

HEAD GASKET

Part Number: CGT-C5319-098

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic MLS Head Gaskets C5319-027

Head Gasket, MLS, 4.190 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-027

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic MLS Head Gaskets C5317-054

Head Gasket, MLS, 4.130 in. Bore, .054 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-054

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic MLS Head Gaskets C5317-089

Head Gasket, MLS, 4.130 in. Bore, .089 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-089

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic MLS Head Gaskets C5751-124

Head Gasket, MLS, 4.060 in. Bore, .124 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-124

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic MLS Head Gaskets C5765-051

Head Gasket, MLS, 4.350 in. Bore, .051 in. Compressed Thickness, Chevy, Marine, Each

Part Number: CGT-C5765-051

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic Head Gaskets C5764-089

.089-IN. MLS-5 RH SIDE HEAD GSKT

Part Number: CGT-C5764-089

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic MLS Head Gaskets C5883-045

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

Part Number: CGT-C5883-045

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic MLS Head Gaskets C5883-055

Head Gasket, MLS, 4.100 in. Bore, .055 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5883-055

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Walker Exhaust Flange Gaskets 31591

Exhaust Flange Gasket, 3 1/2 in. I.D. Hole, 4-Bolt, 4 3/4 in.x 3 7/32 in. Hole Pattern, Each

Part Number: WLK-31591

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust Flange Gaskets 9119

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026

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Cometic MLS Head Gaskets C5764-066

.066" MLS-5 LH SIDE HEAD GSKT

Part Number: CGT-C5764-066

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic MLS Head Gaskets C5764-070

.070" MLS-5 LH SIDE HEAD GSKT

Part Number: CGT-C5764-070

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Cometic MLS Head Gaskets C5882-045

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

Part Number: CGT-C5882-045

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

AP Exhaust Flange Gaskets 9223

Exhaust Flange and Donut Gaskets, AP Exhaust Flange Gaskets, 3-Bolt Flange, 2.625 in. Diameter Pipe, Ford, Mercury, Each

Part Number: APH-9223

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

Mahle Original Cylinder Head Gaskets 54385

Head Gaskets, Multi-layer Steel, 3.690 in. Bore, 0.020 in. Compressed Thickness, Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Saab, 4.2L, Each

Part Number: MAH-54385

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Standard Motor EGR Valve Mounting Gaskets VG124

EGR Gasket, Valve Mounting Gasket, Chevy, GMC, Each

Part Number: SMP-VG124

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Standard Motor EGR Valve Mounting Gaskets VG215

Misc Emissions

Part Number: SMP-VG215

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Standard Motor EGR Valve Mounting Gaskets VG123

EGR Misc

Part Number: SMP-VG123

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Standard Motor EGR Valve Mounting Gaskets VG198

EGR Misc

Part Number: SMP-VG198

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

MAHLE Original Catalytic Converter Gaskets F31897

GM Truck, Duramax 6.6L Diesel 2001-2007 VIN 1, 2, 6

Part Number: MAH-F31897

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today