Collection: 2011-2016 Duramax LML 6.6L

Step into advanced high-pressure capability. The 6.6L LML Duramax introduced a major leap forward in factory power, refining the platform with a significantly strengthened engine block, advanced piezo fuel injectors, and a high-output CP4 injection pump. Paired with a further upgraded Allison 6-speed automatic transmission, the LML stands as a smooth, incredibly capable platform for heavy towing, comfortable daily driving, and high-performance street builds.

Whether you are performing routine maintenance, strengthening your fuel system, or unlocking maximum performance, find everything you need here.