
- Patented WaveStopper Technology: The unique concentric wave design allows the gasket to flex and maintain a secure seal under extreme heat and pressure, a critical feature for high-performance diesel engines.
- OE-Standard Materials: Constructed from high-quality multi-layered steel, this gasket meets or exceeds OEM specifications for reliability and longevity.
- Direct-Fit Replacement: Engineered for a perfect fit on standard bore cylinders (106.00 mm or 4.17"), ensuring a straightforward installation process.
- Optimal Thickness: With a thickness of 1.05 mm (0.041"), this gasket provides the correct compression for your engine's combustion chamber.
- Sold Individually: This gasket is sold per cylinder, allowing you to replace only what's needed or to purchase a full set for a complete engine overhaul.
- Torque-to-Yield: Designed for torque-to-yield applications, ensuring the correct clamping force is applied for a long-lasting and secure seal.

For any owner of a 2001-2016 GM 6.6L Duramax, a failing head gasket can be a major source of frustration and costly repairs. The MAHLE Wave-Stopper Cylinder Head Gasket 5459X is not just a replacement; it's a significant upgrade designed to provide exceptional sealing and durability. This direct-fit, multi-layered steel (MLS) gasket features MAHLE's patented WaveStopper technology, which uses concentric waves in the spring steel layer to dynamically adapt to the varying loads and pressures within your engine. This innovative design ensures a consistently tight seal, preventing combustion gas and coolant leaks, and helping to maintain the peak performance of your Duramax engine.
Patented WaveStopper Technology: The unique concentric wave design allows the gasket to flex and maintain a secure seal under extreme heat and pressure, a critical feature for high-performance diesel engines.
OE-Standard Materials: Constructed from high-quality multi-layered steel, this gasket meets or exceeds OEM specifications for reliability and longevity.
Direct-Fit Replacement: Engineered for a perfect fit on standard bore cylinders (106.00 mm or 4.17"), ensuring[...]
- Patented WaveStopper Technology: The unique concentric wave design allows the gasket to flex and maintain a secure seal under extreme heat and pressure, a critical feature for high-performance diesel engines.
- OE-Standard Materials: Constructed from high-quality multi-layered steel, this gasket meets or exceeds OEM specifications for reliability and longevity.
- Direct-Fit Replacement: Engineered for a perfect fit on standard bore cylinders (106.00 mm or 4.17"), ensuring a straightforward installation process.
- Optimal Thickness: With a thickness of 1.05 mm (0.041"), this gasket provides the correct compression for your engine's combustion chamber.
- Sold Individually: This gasket is sold per cylinder, allowing you to replace only what's needed or to purchase a full set for a complete engine overhaul.
- Torque-to-Yield: Designed for torque-to-yield applications, ensuring the correct clamping force is applied for a long-lasting and secure seal.