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

HS-OT1004one HiStar element — compatible replacement for every part below
AIR/OIL SEPARATOR · 8 interchangeable part numbers across 5 brands
Dimensions: OD 160 mm · ID 134 mm · H 165 mm
Typical applications: AIRTEC ROTAIR
Interchangeable cross-brand part numbers
Donaldson®
P 78-3732
SF®
DC 3028, DC 3078, SAO 59400
HIFI OLD NUMBER®
OT 2046
WISMET®
WOA 23050, WOA 23109
HIFI Filter®
OT 1004
Quote source
HiStar Filter® HS-OT1004 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The Donaldson P 78-3732 air/oil separator cross-references to HiStar HS-OT1004 — a compatible replacement element that also matches SF, HIFI OLD NUMBER, WISMET, and 8 interchangeable OEM part numbers in total. Same form, fit and function, OD 160 mm, ID 134 mm, H 165 mm; fits AIRTEC ROTAIR. Verified against the manufacturer's own cross-reference.