Mahle - 04 - 07 GM 6.6L Duramax Engine Cylinder Head Gasket - HS54580A

Mahle Engine Cylinder Head Gasket Set – HS54580A

The Mahle HS54580A is an OEM-grade cylinder head gasket set designed specifically for 2004–2007 GM 6.6L Duramax diesel engines. Whether you're replacing a leaking gasket or rebuilding the top end, this set includes all the essential miscellaneous gaskets and seals for a proper reseal—excluding the cylinder head gasket itself.

Made from high-quality materials like molded rubber intake gaskets and multi-layered steel exhaust manifold gaskets, Mahle gaskets are trusted for long-lasting performance under high heat and pressure.

Key Features:

• Item Grade: OEM Standard

• Intake Gasket Material: Molded Rubber

• Exhaust Gasket Material: Multi-Layered Steel

• Cylinder Head Gasket Included: No

• Cylinder Head Bolts Included: No

• Torque-to-Yield Bolts Required: Yes

• Additional Contents: Includes various seals and gaskets for a complete top-end job

Vehicle Fitment:

Chevrolet:

• C4500 / C5500 Kodiak (2004–2006)

• Express 2500 / 3500 (2006–2007)

• Silverado 2500 HD (2004–2006)

• Silverado 2500 HD Classic (2007)

• Silverado 3500 (2004–2006)

• Silverado 3500 Classic (2007)

GMC:

• C4500 / C5500 Topkick (2004–2006)

• Savana 2500 / 3500 (2006–2007)

• Sierra 2500 HD (2004–2006)

• Sierra 2500 HD Classic (2007)

• Sierra 3500 (2004–2006)

• Sierra 3500 Classic (2007)

Hummer:

• H1 (2006)

Note: Cylinder head gaskets and head bolts are sold separately. This is a gasket set only.

📦 Return Policy Notice:
Due to the sensitive nature of gasket sets, any opened packaging will void eligibility for return. Please verify fitment before opening.