B · official + dimensions3 equivalents · 3 brands

AIR/OIL SEPARATOR cross-reference — SF®, WISMET®

HS-OS5218one HiStar element — compatible replacement for every part below

AIR/OIL SEPARATOR · 3 interchangeable part numbers across 3 brands

Dimensions: OD 328 mm · ID 274 mm · H 460 mm

Typical applications: KAESER

Interchangeable cross-brand part numbers

SF®

SAO 53906

WISMET®

WOA 23975

HIFI Filter®

OS 5218

Quote source

HiStar Filter® HS-OS5218 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The SF SAO 53906 air/oil separator cross-references to HiStar HS-OS5218 — a compatible replacement element that also matches WISMET, and 3 interchangeable OEM part numbers in total. Same form, fit and function, OD 328 mm, ID 274 mm, H 460 mm; fits KAESER. Verified against the manufacturer's own cross-reference.