B · official + dimensions7 equivalents · 4 brands

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

HS-OA1008one HiStar element — compatible replacement for every part below

AIR/OIL SEPARATOR · 7 interchangeable part numbers across 4 brands

Dimensions: OD 155 mm · ID 101 mm · H 508 mm

Interchangeable cross-brand part numbers

SF®

DA 1021, SAO 50902, SAO 55210

WISMET®

WDA 21039, WON 21937

Mann®

4900257101

HIFI Filter®

OA 1008

Quote source

HiStar Filter® HS-OA1008 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The SF DA 1021 air/oil separator cross-references to HiStar HS-OA1008 — a compatible replacement element that also matches WISMET, Mann, and 7 interchangeable OEM part numbers in total. Same form, fit and function, OD 155 mm, ID 101 mm, H 508 mm. Verified against the manufacturer's own cross-reference.