Wehrli billet MAF sensor weld bung for 2007.5–2010 LMM 6.6L Duramax engines is CNC machined from 6061-T6 aluminum and ready to be welded to custom aluminum intake piping. The sensor pad is radius cut for 4" or 5" pipe and features an arrow indicating airflow direction to ensure proper orientation. It’s specified for use where a factory-style MAF mount is required in custom plumbing.
Wehrli LMM Duramax MAF Sensor Aluminum Weld Bung