HUMMER Gaskets & Seals | Summit Racing

Cometic MLS Head Gaskets C5477-098

Cometic MLS Head Gaskets C5477-098

Head Gasket, MLS, Multi-layer Stainless Steel, 4.000 in. Bore, 0.098 in. Compressed Thickness, Chevrolet, LS, Each

Part Number: CGT-C5477-098

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Cometic MLS Head Gaskets C5319-040

Head Gasket, MLS, 4.190 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-040

Not Yet Reviewed

Estimated Ship Date: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today

Fel-Pro Water Neck Gaskets 35720

Water Neck Gasket, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: FEL-35720

5.0 out of 5 stars ( 1 )

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ACDelco Crankshaft Front Seals 19340212

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

Part Number: ADO-4762N

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ATP Automatic Transmission Rear Seals JO-124

Transmission Rear Seal, Steel with Rubber Insert, Chevy, GMC, Rolls Royce, Automatic, Each

Part Number: ATP-JO124

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Cometic MLS Head Gaskets C5751-073

Head Gasket, MLS, 4.060 in. Bore, .073 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-073

Not Yet Reviewed

Estimated Ship Date: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today

Cometic MLS Head Gaskets C5318-036

Head Gasket, MLS, 4.160 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-036

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Estimated Ship Date: Jul 6, 2026 if ordered today

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Cometic MLS Head Gaskets C5476-051

.051" MLS HEAD GASKET

Part Number: CGT-C5476-051

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Fel-Pro Timing Cover Gaskets TCS 45686

Gasket, Timing Cover, Cork/Rubber, Chevy, GMC/Hummer, 6.2/6.5L, Diesel, V8, Kit

Part Number: FEL-TCS45686

4.5 out of 5 stars ( 4 )

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Motive Gear Pinion Seals 8610

Differential Pinion Seal

Part Number: MGR-8610

Not Yet Reviewed

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Dorman Grommet Assortment Kits 49929

Grommet Assortment Kits, Airbox, Black, Rubber, Buick, Cadillac, Chevy, Dodge, GMC, Jeep, Ford, Set of 6

Part Number: RNB-49929

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Cometic MLS Head Gaskets C5317-051

Head Gasket, MLS, 4.130 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-051

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Cometic MLS Head Gaskets C5317-036

Head Gasket, MLS, 4.130 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-036

Not Yet Reviewed

Estimated Ship Date: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today

ATP Automatic Transmission Rear Seals CO-36

Transmission Extension Housing Seal, Steel with Rubber Insert, Cadillac, Chevy, GMC, Isuzu, Automatic, Each

Part Number: ATP-CO36

Not Yet Reviewed

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Cometic MLX Head Gaskets C5505-044

Head Gasket, MLX, 4.040 in. Bore, .044 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5505-044

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Estimated Ship Date: Jul 6, 2026 if ordered today

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Need It Sooner? We recommend these similar substitute parts:

Cometic MLX Head Gaskets C5505-040

4.25 out of 5 stars ( 3 )

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Enginetech Engine Valve Stem Oil Seals S900V-20

Engine Valve Stem Oil Seal 01-22 BUI/CAD/CHV/GMC/Hummer/IZU/PON/SAB/SAT 3.5L/3.9L/4.8L/5.3L/5.7L/6.0L/6.2L/7.0L

Part Number: EGN-S900V-20

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

Fel-Pro Water Neck Gaskets 35632

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

Part Number: FEL-35632

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fel-Pro EGR Gaskets 70947

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

Part Number: FEL-70947

Not Yet Reviewed

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Fel-Pro Exhaust Manifold Gaskets MS 91587

Exhaust Gasket, Manifold Set, Steel Core Laminate, AM General, Chevy, GMC, Set

Part Number: FEL-MS91587

Not Yet Reviewed

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Cometic MLS Head Gaskets C5475-036

Head Gasket, MLS, 3.910 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5475-036

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 6, 2026 if ordered today

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Cometic MLS Head Gaskets C5476-040

Engine Cylinder Head Gasket

Part Number: CGT-C5476-040

Not Yet Reviewed

Estimated Ship Date: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today

Cometic MLS Head Gaskets C5318-027

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

Part Number: CGT-C5318-027

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Estimated Ship Date: Jul 6, 2026 if ordered today

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Cometic MLS Head Gaskets C5318-030

Head Gasket, MLS, 4.160 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-030

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Cometic Head Gaskets C15509-040

.040" MLS HEAD GASKET

Part Number: CGT-C15509-040

Not Yet Reviewed

Estimated Ship Date: Jul 6, 2026 if ordered today

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Chevrolet Performance Timing Cover Seals 89017622

SEAL KIT

Part Number: NAL-89017622

Not Yet Reviewed

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