Universal High-Performance Air Filter, Cummins B to 400HP

Direct replacement for the stock paper filter found on Cummins marine diesel engine. These filters allow 20% more airflow to improve engine performance and help boost fuel economy. Water and moisture resistant, these filters are also washable, so service life is longer than the stock paper air filters. Fits Cummins B to 400HP, 8-1/2" dia. x 4" throat.


Induction system configurations for a given engine type often vary widely. The filter may be throat -, housing- or tube-mounted based upon the specific application. Rather than relying upon dimensional data alone, visit westmarine.com to view the Walker Engineering filter manufacturer's part number cross reference to determine the correct High-Performance air filter for your specific application.