B · official + dimensions3 equivalents · 3 brands

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

HS-OA1091one HiStar element — compatible replacement for every part below

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

Dimensions: OD 203 mm · H 610 mm

Interchangeable cross-brand part numbers

SF®

SAO 55970

WISMET®

WDA 21184

HIFI Filter®

OA 1091

Quote source

HiStar Filter® HS-OA1091 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The SF SAO 55970 air/oil separator cross-references to HiStar HS-OA1091 — a compatible replacement element that also matches WISMET, and 3 interchangeable OEM part numbers in total. Same form, fit and function, OD 203 mm, H 610 mm. Verified against the manufacturer's own cross-reference.