
- Grade B: Specifically designed for engines that have undergone minor head or block resurfacing.
- Direct-fit Replacement: Guarantees a seamless installation without modifications.
- Combustion Load Limiter: Prevents excessive pressure from damaging the gasket, enhancing its longevity.
- Torque to Yield (TTY): Designed to be torqued one time to its yield point, ensuring an optimal, long-lasting seal.
- 1.19mm - 1.31mm Thickness: The precise thickness range accommodates engines with minor resurfacing, providing the correct compression ratio.
- Material: Multi-Layered Steel (MLS): Offers exceptional strength and resistance to heat and pressure, providing a durable seal.

Looking to fix a leaking head gasket in your GM 6.6L Duramax L5P engine? The MAHLE 55523 Cylinder Head Gasket (Grade B) is an ideal solution. Engineered with premium materials and rigorously quality-tested, this direct-fit replacement ensures a long service life and a reliable, leak-proof seal. The advanced multi-layered steel construction, combined with a combustion load limiter, provides superior durability and performance under the demanding conditions of your engine.
Grade B: Specifically designed for engines that have undergone minor head or block resurfacing.
Direct-fit Replacement: Guarantees a seamless installation without modifications.
Combustion Load Limiter: Prevents excessive pressure from damaging the gasket, enhancing its longevity.
Torque to Yield (TTY): Designed to be torqued one time to its yield point, ensuring an optimal, long-lasting seal.
1.19mm - 1.31mm Thickness: The precise thickness range accommodates engines with minor resurfacing, providing the correct compression ratio.
Material: Multi-Layered Steel (MLS): Offers exceptional strength and resistance to heat and pressure, pr[...]
- Grade B: Specifically designed for engines that have undergone minor head or block resurfacing.
- Direct-fit Replacement: Guarantees a seamless installation without modifications.
- Combustion Load Limiter: Prevents excessive pressure from damaging the gasket, enhancing its longevity.
- Torque to Yield (TTY): Designed to be torqued one time to its yield point, ensuring an optimal, long-lasting seal.
- 1.19mm - 1.31mm Thickness: The precise thickness range accommodates engines with minor resurfacing, providing the correct compression ratio.
- Material: Multi-Layered Steel (MLS): Offers exceptional strength and resistance to heat and pressure, providing a durable seal.