B · official + dimensions7 equivalents · 4 brands

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

HS-OA1173one HiStar element — compatible replacement for every part below

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

Dimensions: OD 79 mm · ID 48 mm · H 125 mm

Interchangeable cross-brand part numbers

WISMET®

WDA 21238

SF®

DA 2291, SAO 56260

Mann®

4900054111, 4900055111, LE 3006

HIFI Filter®

OA 1173

Quote source

HiStar Filter® HS-OA1173 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The WISMET WDA 21238 air/oil separator cross-references to HiStar HS-OA1173 — a compatible replacement element that also matches SF, Mann, and 7 interchangeable OEM part numbers in total. Same form, fit and function, OD 79 mm, ID 48 mm, H 125 mm. Verified against the manufacturer's own cross-reference.