Offenhauser 3661JR Breather


Offenhauser polished aluminum filtered breathers are designed to protect your engine from dust and foreign particles. They feature filters made of polyurethane foam for impressive dust retention capacity–and they’re easy to clean! These breathers are adaptable to all types of covers and applications, and are come in a variety of styles and mount options to suit your needs.

Approximately 2″ wide at top and 1 1/4 ” high. Complete with gaskets.

1 in stock

Additional information

Weight 2 lbs



Offenhauser Intakes, Manifolds, Valve Covers, Heads, and More!

White Owl Speed is the newest distributor for Offenhauser. We have exclusive merchandise and parts that have not been available for 60 years! We are constantly listing new parts and making new inventory available so make sure you check back often! Offenhauser was established in 1946 by Fred C. Offenhauser and Fran Hernandez. All of Offenhauser's parts are cast and machined in California. All Offenhauser parts are forged using a hand-carved wooden pattern at Bell foundry in South Gate, California and machined at the Offenhauser Shop In Downtown Los Angeles. Offenhauser is one of the oldest premium automotive parts manufacturers in the world operating for over 70+ years continuously.


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