B · official + dimensions7 equivalents · 6 brands

AIR/OIL SEPARATOR cross-reference — Baldwin®, Fleetguard®, Donaldson®, WISMET® & more

HS-OS5078one HiStar element — compatible replacement for every part below

AIR/OIL SEPARATOR · 7 interchangeable part numbers across 6 brands

Dimensions: OD 603 mm · ID 480 mm · H 570 mm

Typical applications: SULLAIR

Interchangeable cross-brand part numbers

Baldwin®

OAS 98037, OAS98037

Fleetguard®

AS 2358

Donaldson®

P 53-0791

WISMET®

WON 22292

HIFI OLD NUMBER®

OS 5172

HIFI Filter®

OS 5078

Quote source

HiStar Filter® HS-OS5078 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The Baldwin OAS 98037 air/oil separator cross-references to HiStar HS-OS5078 — a compatible replacement element that also matches Fleetguard, Donaldson, WISMET, HIFI OLD NUMBER, and 7 interchangeable OEM part numbers in total. Same form, fit and function, OD 603 mm, ID 480 mm, H 570 mm; fits SULLAIR. Verified against the manufacturer's own cross-reference.