CHEVROLET SILVERADO 3500 Chevrolet Performance Gaskets & Seals

Head Gasket, MLS, 4.020 in. Bore, .051 in. Compressed Thickness, Chevy, Small Block, LS2/LS6, Each

Part Number: NAL-12589227

4.8 out of 5 stars ( 20 )

Estimated Ship Date: Today

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, 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

Valve Cover Gaskets

Part Number: NAL-97321295

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Special Order

Exhaust Header and Manifold Gaskets

Part Number: NAL-12558275

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Special Order

Valve Cover Gasket, Molded Rubber Compound, Chevy, GMC, 6.6L Diesel, Each

Part Number: NAL-97188896

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Special Order