HiStar SO 3555 — Cross-Brand Interchange
One HiStar element — SO 3555 — is a compatible, drop-in replacement for the 2 OEM filter part numbers below, spanning 2 brands. Same form, fit and function, ISO 16889 multi-pass validated, OD 78 mm · ID 72 mm · H 116 mm · thread 3/4"-16UNF. No system modification required.
| Brand | OEM Part Number | HiStar Replacement |
|---|---|---|
| Fleetguard® | LF 3555 | HiStar SO 3555 → |
| Onan® | 122-0764 | HiStar SO 3555 → |
OEM names and part numbers are the property of their respective owners and are shown for compatibility and identification purposes only.