LLY Duramax ZF6 Manual Transmission

The ZF6 6-speed manual transmission in the 2004.5–2005 LLY Duramax is known for its durability, and we offer only the highest quality components to keep it that way. From complete transmission assemblies to upgraded internals, our parts are engineered to handle increased torque, heavy towing, and performance builds. Maintain or enhance your LLY Duramax with premium ZF6 manual transmission parts built for long-lasting performance.