B · official + dimensions4 equivalents · 3 brands

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

HS-OA1031one HiStar element — compatible replacement for every part below

AIR/OIL SEPARATOR · 4 interchangeable part numbers across 3 brands

Dimensions: OD 131 mm · ID 88 mm · H 215 mm

Interchangeable cross-brand part numbers

SF®

DA 1023, SAO 55230

WISMET®

WDA 21043

HIFI Filter®

OA 1031

Quote source

HiStar Filter® HS-OA1031 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The SF DA 1023 air/oil separator cross-references to HiStar HS-OA1031 — a compatible replacement element that also matches WISMET, and 4 interchangeable OEM part numbers in total. Same form, fit and function, OD 131 mm, ID 88 mm, H 215 mm. Verified against the manufacturer's own cross-reference.