Wehrli billet MAF sensor weld bung for 2011–2016 LML 6.6L Duramax engines is CNC machined from 6061-T6 aluminum and supplied ready for welding to custom aluminum intake pipe. The pad is radius cut to suit 4" or 5" piping and is machined with an airflow direction arrow to aid correct sensor placement. It provides a clean factory-style mount for LML MAF sensor installations.
Wehrli LML Duramax MAF Sensor Aluminum Weld Bung