B · official + dimensions4 equivalents · 4 brands

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

HS-OT2099one HiStar element — compatible replacement for every part below

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

Dimensions: OD 300 mm · ID 272 mm · H 258 mm · thread M8X1.25

Interchangeable cross-brand part numbers

WISMET®

WON 21943

Mann®

4900252181

SF®

SAO 51008

HIFI Filter®

OT 2099

Quote source

HiStar Filter® HS-OT2099 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The WISMET WON 21943 air/oil separator cross-references to HiStar HS-OT2099 — a compatible replacement element that also matches Mann, SF, and 4 interchangeable OEM part numbers in total. Same form, fit and function, OD 300 mm, ID 272 mm, H 258 mm. Verified against the manufacturer's own cross-reference.