Internally baffled to separate engine oil blow-by and return it to the oil into the crankcase. New billet threaded oil filler nut has an O-ring seal. Adding oil is a snap in Sedans and VW Buses.

The Oil Filler Breather Box is the most versatile engine breather available today. You can vent your valve covers, crankcase, install a vented fuel pump return and run a vented road pipe for maximum engine breathing. It fits all upright VW engines and is easy to install. You can use rubber or plastic hose for the best looking engine in town do it up with full steel braided hose with swivel seal connectors. The Oil Filler Breather Box is cast from sturdy aluminum and features a finned front cover with O-ring seal. It is mounted to the engine with a special VW oil tower gland nut, included in Kit.

Does not work with MST Billet Alternator Stands or OE Mexican Beetle Alternator Stands