B · official + dimensions4 equivalents · 4 brands

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

HS-OA1090one HiStar element — compatible replacement for every part below

AIR/OIL SEPARATOR · 4 interchangeable part numbers across 4 brands

Dimensions: OD 83 mm · ID 47 mm · H 258 mm

Interchangeable cross-brand part numbers

SF®

SAO 55950

MAHLE INDUSTRIE®

852 872262

WISMET®

WDA 21181

HIFI Filter®

OA 1090

Quote source

HiStar Filter® HS-OA1090 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The SF SAO 55950 air/oil separator cross-references to HiStar HS-OA1090 — a compatible replacement element that also matches MAHLE INDUSTRIE, WISMET, and 4 interchangeable OEM part numbers in total. Same form, fit and function, OD 83 mm, ID 47 mm, H 258 mm. Verified against the manufacturer's own cross-reference.