B · official + dimensions9 equivalents · 7 brands

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

HS-OT4373one HiStar element — compatible replacement for every part below

AIR/OIL SEPARATOR · 9 interchangeable part numbers across 7 brands

Dimensions: OD 300 mm · ID 266 mm · H 256 mm · thread M8X1.25

Typical applications: ATLAS COPCO

Interchangeable cross-brand part numbers

Baldwin®

OAS 99034, OAS99034

Donaldson®

P 52-5530

Fleetguard®

AS 2393

Mann®

4900252131, 4900253331

SF®

SAO 58830

WISMET®

WOA 23030

HIFI Filter®

OT 4373

Quote source

HiStar Filter® HS-OT4373 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The Baldwin OAS 99034 air/oil separator cross-references to HiStar HS-OT4373 — a compatible replacement element that also matches Donaldson, Fleetguard, Mann, SF, and 9 interchangeable OEM part numbers in total. Same form, fit and function, OD 300 mm, ID 266 mm, H 256 mm; fits ATLAS COPCO. Verified against the manufacturer's own cross-reference.