MAHLE 55523 CYLINDER HEAD GASKET (GRADE B) FOR 2017-2023 GM 6.6L DURAMAX L5P ENGINE

The MAHLE 55523 is a high‑performance, Grade B MLS head gasket designed for the 2017–2023 GM Duramax L5P engines. It features premium steel construction, a torque‑to‑yield design, and comes with a typical 1‑year warranty. It's an ideal choice for top-end repairs or rebuilds, offering reliable OEM-level sealing.

Overview & Construction

• Part Number: MAHLE 55523 — categorized as Grade B

• Construction: Multi-Layer Steel (MLS) with combustion load limiter, torque‑to‑yield design
  

• Thickness: Typically 1.19 – 1.31 mm

• Warranty: Usually includes a 1‑year coverage

 Vehicle Fitment

Engineered specifically for GM’s 6.6 L Duramax L5P diesel engine, covering model years 2017–2023, including but not limited to:

• Chevrolet Silverado 2500 HD/3500 HD

• GMC Sierra 2500 HD/3500 HD
  

 Key Specifications

The MAHLE 55523 Cylinder Head Gasket is a premier solution for those seeking effective and reliable sealing for the 2017-2023 GM 6.6L Duramax L5P engine. Crafted from high-quality Multi-Layer Steel (MLS), this Grade B head gasket is designed to meet the demanding performance standards of diesel engines. Its advanced construction includes a combustion load limiter and a torque-to-yield design, ensuring optimal compression and longevity under pressure.

With a typical thickness ranging from 1.19 to 1.31 mm, the MAHLE 55523 offers an exact fit for a wide range of applications, including popular models such as the Chevrolet Silverado 2500 HD/3500 HD and GMC Sierra 2500 HD/3500 HD. This gasket not only facilitates the sealing of the block-to-head interface but also enhances overall engine performance during top-end repairs and rebuilds.

Expect unparalleled reliability with this product, which comes with a standard 1-year warranty, reassuring you of its quality craftsmanship. The meticulously engineered design of the MAHLE 55523 ensures compatibility with high-performance demands while maintaining OEM-level sealing capabilities, making it a preferred choice among automotive enthusiasts and professional mechanics alike.

In summary, the MAHLE 55523 Cylinder Head Gasket embodies strength, precision, and durability, tailored specifically for the GM 6.6L Duramax L5P engine. Whether for routine maintenance or significant engine repairs, this gasket promises to deliver the performance and reliability critical to your engine's operation. Choose the MAHLE 55523 to keep your engine running smoothly and efficiently, fortified by superior construction and design.