Over 30 years of research and development has gone into your S&B Performance Air Filter. Test results demonstrate their success. The S&B Filter for the 2002 Dodge Ram 5.9L Cummins Diesel improves the air flow 40.3% compared to the OE Filter while stopping 99.68% of the dirt. Better air flow results directly in better performance and fuel economy.

All S&B Air Filters are ISO 5011 tested and certified, the same tests used by Ford, Chrysler, and GM to ensure a top-quality product.

S&B air filters are reusable for life, needing only a quick cleaning every 40,000 miles. Even better, S&B stands behind your high-performance S&B Air Filter with an million-mile warranty.