Current Lead Times: In Stock Engines Ship Same or Next Day - Out of Stock: 1-3 Weeks on Most Long Block Engines; 3-5 Days on Heads – *call us for more exact lead times for your specific build 
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6.6 LML 2011-2016 Duramax

The 6.6 LML 2011-2016 Duramax powers Chevy and GMC HD trucks with strong torque and towing ability. Its high-pressure fuel system, upgraded emissions tech, and reliable turbo deliver solid performance for work or play. Built for durability, the LML handles tough loads, long hauls, and heavy use with ease.

Need more power or a fresh build? Explore our 6.6L LML Duramax parts and upgrades today!

6.6 LML 2011-2016 Duramax

The 6.6L LML Duramax (2011–2016) powers Chevy and GMC HD trucks with strong torque and towing ability. Its high-pressure fuel system, upgraded emissions tech, and reliable turbo deliver solid performance for work or play. Built for durability, the LML handles tough loads, long hauls, and heavy use with ease. Need more power or a fresh build? Explore our 6.6L LML Duramax parts and upgrades today!