3.5" (89mm) OD weld on bung for Volkswagen, Audi, MK5, MK6 with slot style sensor *Does NOT include sensor, please reuse OEM Sensor!* - CNC Machined from 6061 billet aluminum - Flange designed to match the factory shape of sensor - Stainless steel hardware - Hand inspected for consistent high quality - Suitable for welding, powder coating, anodizing or polishing - Made in the USA Reuse your OEM sensor! Sensor socket bore inside dimensions are 1.39” (35mm) x .4” (10mm). Distance between centers of two mount screws is 1.571” (40mm). This MAF sensor geometry is very common with many cars. If your sensor fits the socket bore dimensions above, it will mount into this MAF flange.
