B · official + dimensions3 equivalents · 3 brands

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

HS-OA1104one HiStar element — compatible replacement for every part below

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

Dimensions: OD 71 mm · ID 30 mm · H 153 mm · thread 1

Interchangeable cross-brand part numbers

Donaldson®

P 78-4305

WISMET®

WDA 21179

HIFI Filter®

OA 1104

Quote source

HiStar Filter® HS-OA1104 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The Donaldson P 78-4305 air/oil separator cross-references to HiStar HS-OA1104 — a compatible replacement element that also matches WISMET, and 3 interchangeable OEM part numbers in total. Same form, fit and function, OD 71 mm, ID 30 mm, H 153 mm. Verified against the manufacturer's own cross-reference.