Proton® Cross-Reference

Looking for a Proton® filter cross-reference? Every HiStar element below is a compatible replacement for the listed Proton® part number — same form, fit and function (hydraulic elements: ISO 16889 multi-pass validated), with no system modification required. This page covers OEM numbers IFO-2577 to PW 510577 E. Click any result for dimensions, machine fitment, and an instant quote.

Try: IFO-2577 · SH 67361 · or scroll below

OEM names and part numbers are the property of their respective owners and are shown for compatibility and identification purposes only.