HiStar SO 8421 — Cross-Brand Interchange
One HiStar element — SO 8421 — is a compatible, drop-in replacement for the 4 OEM filter part numbers below, spanning 4 brands. Same form, fit and function, ISO 16889 multi-pass validated, OD 51 mm · H 55 mm. No system modification required.
Typical machine fitment: LOMBARDINI SCHILTER.
| Brand | OEM Part Number | HiStar Replacement |
|---|---|---|
| Fiaam® | FA 4421 | HiStar SO 8421 → |
| Fispa® | LI 2523 | HiStar SO 8421 → |
| Fram® | C 4464 | HiStar SO 8421 → |
| Sef Filter® | L0042 | HiStar SO 8421 → |
OEM names and part numbers are the property of their respective owners and are shown for compatibility and identification purposes only.