B · official + dimensions15 equivalents · 5 brands

AIR/OIL SEPARATOR cross-reference — Donaldson®, Fleetguard®, Mann®, SF®

HS-OS5121one HiStar element — compatible replacement for every part below

AIR/OIL SEPARATOR · 15 interchangeable part numbers across 5 brands

Dimensions: OD 200 mm · ID 168 mm · H 318 mm

Typical applications: BOEHLER ECOAIR IRMER & ELZE MACO-MEUDON

Interchangeable cross-brand part numbers

Donaldson®

P 78-2920

Fleetguard®

AS 2395, AS 2408, AS 2432

Mann®

4900051121, 4900052291, 4900252221, 4900252291, 4900252401, 4900252421, 4900252431, LE 17009 X

SF®

DB 2009, SAO 52009

HIFI Filter®

OS 5121

Quote source

HiStar Filter® HS-OS5121 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The Donaldson P 78-2920 air/oil separator cross-references to HiStar HS-OS5121 — a compatible replacement element that also matches Fleetguard, Mann, SF, and 15 interchangeable OEM part numbers in total. Same form, fit and function, OD 200 mm, ID 168 mm, H 318 mm; fits BOEHLER ECOAIR IRMER & ELZE MACO-MEUDON. Verified against the manufacturer's own cross-reference.