Collection: 2017-2019 Duramax L5P 6.6L

Experience the pinnacle of factory Duramax engineering. The introduction of the 6.6L L5P Duramax marked a massive evolutionary leap for the platform, debuting a completely redesigned engine block, a highly durable electronically controlled variable-geometry Denso turbocharger, and a return to the ultra-reliable, high-pressure fuel system architecture. Designed to handle intense working demands, the L5P offers unmatched factory horsepower and towing capabilities.

Whether you are performing routine maintenance, optimizing airflow, or unlocking next-level performance through advanced tuning adjustments, find everything you need here.