B · official + dimensions3 equivalents · 3 brands

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

HS-OS5166one HiStar element — compatible replacement for every part below

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

Dimensions: OD 353 mm · ID 298 mm · H 457 mm

Interchangeable cross-brand part numbers

SF®

SAO 52946

WISMET®

WON 21958

HIFI Filter®

OS 5166

Quote source

HiStar Filter® HS-OS5166 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The SF SAO 52946 air/oil separator cross-references to HiStar HS-OS5166 — a compatible replacement element that also matches WISMET, and 3 interchangeable OEM part numbers in total. Same form, fit and function, OD 353 mm, ID 298 mm, H 457 mm. Verified against the manufacturer's own cross-reference.