B · official + dimensions5 equivalents · 4 brands

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

HS-OA1004one HiStar element — compatible replacement for every part below

AIR/OIL SEPARATOR · 5 interchangeable part numbers across 4 brands

Dimensions: OD 170 mm · ID 120 mm · H 340 mm

Interchangeable cross-brand part numbers

HIFI OLD NUMBER®

OA 1035

SF®

DA 1027, SAO 55270

WISMET®

WDA 21049

HIFI Filter®

OA 1004

Quote source

HiStar Filter® HS-OA1004 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The HIFI OLD NUMBER OA 1035 air/oil separator cross-references to HiStar HS-OA1004 — a compatible replacement element that also matches SF, WISMET, and 5 interchangeable OEM part numbers in total. Same form, fit and function, OD 170 mm, ID 120 mm, H 340 mm. Verified against the manufacturer's own cross-reference.