Fc21602707 May 2026

Ensure no old gasket material or dirt remains on the engine block.

Genuine filters have crisp, clear lettering and batch codes. fc21602707

Counterfeit filters are often significantly lighter due to thinner steel and less filtration media. Ensure no old gasket material or dirt remains

Screw the filter on until the gasket contacts the base, then tighten an additional 3/4 to 1 full turn. Do not overtighten with a wrench. and X15 series engines.

Frequently used in Cummins ISX, QSX, and X15 series engines.