Mahle - Engine Cylinder Head Gasket - 55524

Mahle Engine Cylinder Head Gasket – 55524

The Mahle 55524 is a direct-fit, OEM-quality replacement cylinder head gasket designed for 2017–2022 Chevrolet Silverado HD and GMC Sierra HD models equipped with the 6.6L Duramax L5P diesel engine. Built to meet or exceed OEM standards, this gasket ensures proper sealing under the high-pressure, high-temperature demands of heavy-duty diesel performance.

Manufactured with durable multi-layered steel (MLS) construction, Mahle gaskets are trusted by diesel professionals for long-lasting reliability and exact fitment.

Key Features:

• Application: 6.6L Duramax L5P Diesel (2017–2022)

• Engineered to meet OEM sealing standards

• High-strength Multi-Layered Steel (MLS) design

• Ideal for head gasket replacements or engine overhauls

• Cylinder Head Bolts Not Included

Vehicle Fitment:

Chevrolet:

• Silverado 2500 HD (2017–2022)

• Silverado 3500 HD (2017–2022)

GMC:

• Sierra 2500 HD (2017–2022)

• Sierra 3500 HD (2017–2022)

OEM Reference Number – General Motors:

• 12676859

📞 Call 1-800-228-8482 or 📧 Email parts@southcentraldiesel.com for fitment help or to bundle this gasket with a full top-end set or cylinder head bolts.