{"product_id":"mahle-wave-stopper-cylinder-head-gasket-grade-c-54597-54598","title":"MAHLE WAVE-STOPPER CYLINDER HEAD GASKET (GRADE C) 54597 \u0026 54598 | 2001–2016 6.6L Duramax LB7\/LLY\/LBZ\/LMM\/LML","description":"\u003cp\u003eReplace a worn or failed cylinder head gasket in your 2001–2016 GM 6.6L Duramax with the MAHLE 5459X Wave-Stopper Cylinder Head Gasket. Manufactured to OEM standards, this direct-fit replacement uses a multi-layer steel construction designed to provide dependable sealing between the cylinder head and engine block.\u003c\/p\u003e\n\n\u003cp\u003eMAHLE's patented Wave-Stopper technology incorporates concentric waves into the spring-steel active layer surrounding each combustion chamber. This design allows the gasket to adapt to changing combustion pressures and engine loads while maintaining sealing pressure around the cylinder bores.\u003c\/p\u003e\n\n\u003cp\u003eThis gasket measures 1.05mm (0.041\") thick and features a 106mm (4.17\") cylinder bore diameter. It is sold individually, so verify the quantity and gasket thickness required for your engine before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit cylinder head gasket replacement\u003c\/li\u003e\n  \u003cli\u003eMAHLE patented Wave-Stopper technology\u003c\/li\u003e\n  \u003cli\u003eMulti-layer steel construction\u003c\/li\u003e\n  \u003cli\u003eConcentric waves around the combustion chambers help maintain sealing pressure\u003c\/li\u003e\n  \u003cli\u003eDesigned to adapt to varying combustion loads and pressures\u003c\/li\u003e\n  \u003cli\u003eManufactured to OEM standards\u003c\/li\u003e\n  \u003cli\u003eSold individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThickness: 1.05mm (0.041\")\u003c\/li\u003e\n  \u003cli\u003eCylinder Bore Diameter: 106mm (4.17\")\u003c\/li\u003e\n  \u003cli\u003eMaterial: Multi-Layer Steel (MLS)\u003c\/li\u003e\n  \u003cli\u003eItem Grade: OEM Standard\u003c\/li\u003e\n  \u003cli\u003eSealant Included: No\u003c\/li\u003e\n  \u003cli\u003ePackage Quantity: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2001–2016 GM applications equipped with the 6.6L Duramax diesel engine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Note:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDuramax engines use specific head gasket thicknesses based on the application and engine configuration. Verify that the 1.05mm (0.041\") thickness is correct for your engine before installation.\u003c\/p\u003e","brand":"MAHLE","offers":[{"title":"Default Title","offer_id":54010383401243,"sku":"54597","price":127.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-09-21at2.36.32PM.png?v=1790102869","url":"https:\/\/wwmperformance.com\/products\/mahle-wave-stopper-cylinder-head-gasket-grade-c-54597-54598","provider":"WWM Performance","version":"1.0","type":"link"}