3D Printed Duramax Diesel Intake Plenum Plugs

Finally! A way to keep dirt, dust, and debris out of your various Duramax engines with Square Root Fabrication's 3D Printed Intake Plenum Plugs. Designed to cover the intake plenum openings during engine maintenance, repairs, or storage, these plugs help protect your engine from unwanted contamination while components are removed.

Designed in CAD then 3D printed for a precise fit, these lightweight and durable plugs are ideal for diesel mechanics, engine builders, and Duramax enthusiasts working on everything from routine maintenance to complete engine builds.

Available in two configurations to fit 2001–2005 and 2006–2016 GM Duramax diesel engines.

Important: These plugs are intended for temporary protection during maintenance, engine assembly, and storage. They are not designed for use while the engine is running.