MAHLE 55524 CYLINDER HEAD GASKET (GRADE C) FOR 2017-2023 GM 6.6L DURAMAX L5P ENGINE

The MAHLE 55524 is a high‑quality, direct‑fit head gasket engineered to OEM standards for the 2017–2023 GM/Silverado/Sierra HD trucks powered by the 6.6 L Duramax L5P engine. Built with MLS grade C steel at 1.24–1.36 mm, it delivers reliable sealing and performance for repairs or rebuilds. It's typically covered by a 12‑month warranty, ensuring durability and value.

• Part Number: MAHLE 55524 (Grade C)

• Construction: Multi-Layer Steel (MLS) — provides robust sealing and durability under high cylinder pressure

• Thickness: 1.24 – 1.36 mm
  

• Specifications:

  • Torque-to-yield design

  • OEM-quality, direct-fit replacement

  • Designed to meet or exceed original GM standards
    

 Vehicle Fitment

Specifically engineered for the 6.6 L Duramax L5P diesel engine in GM heavy-duty trucks:

• Chevrolet Silverado 2500 HD (2017–2023)

• Chevrolet Silverado 3500 HD (2017–2023)

• GMC Sierra 2500 HD (2017–2023)

• GMC Sierra 3500 HD (2017–2023)
  

South Central Diesel adds that it covers 2017–2022 models, while Thoroughbred Diesel extends confirmation through 2023

 Specifications

The MAHLE 55524 Cylinder Head Gasket (Grade C) is meticulously designed to meet the demands of the 2017-2023 GM heavy-duty trucks equipped with the robust 6.6L Duramax L5P engine. Constructed from high-quality multi-layer steel (MLS), this gasket offers exceptional sealing capabilities and durability, ensuring top-tier performance under high cylinder pressure.

With a thickness ranging between 1.24 and 1.36 mm, the MAHLE 55524 is engineered as a direct-fit replacement for your vehicle, adhering to original equipment manufacturer (OEM) specifications. This precision craftsmanship facilitates a seamless installation process, minimizing downtime and allowing you to get back on the road with confidence.

Designed with a torque-to-yield configuration, this gasket ensures that the seal remains tight and reliable, effectively preventing leaks that could compromise engine performance. The MAHLE 55524 is compatible with various models, including the Chevrolet Silverado 2500/3500 HD and GMC Sierra 2500/3500 HD trucks from 2017 to 2023, solidifying its status as an essential component for any Duramax L5P engine rebuild or repair.

In addition to its superior construction and compatibility, the MAHLE 55524 typically comes with a 12-month warranty, demonstrating the brand's commitment to durability and customer satisfaction. This guarantee offers peace of mind, allowing you to trust in the performance of your engine.

Whether tackling significant repairs or routine maintenance, the MAHLE 55524 Cylinder Head Gasket is the dependable choice for anyone seeking quality and reliability in their heavy-duty truck's engine components. Upgrade your vehicle’s performance with a gasket engineered for excellence and designed to last.