B · official + dimensions11 equivalents · 6 brands

AIR/OIL SEPARATOR cross-reference — Fleetguard®, Mann®, SAKURA®, MAHLE INDUSTRIE® & more

HS-OS5521one HiStar element — compatible replacement for every part below

AIR/OIL SEPARATOR · 11 interchangeable part numbers across 6 brands

Dimensions: OD 325 mm · ID 273 mm · H 762 mm

Typical applications: KAESER

Interchangeable cross-brand part numbers

Fleetguard®

AS 2423

Mann®

4900051521, 4900652141, 4900655271, 4930652121, 4930655291

SAKURA®

SA-79650

MAHLE INDUSTRIE®

852 540

SF®

DB 2025, SAO 58130

HIFI Filter®

OS 5521

Quote source

HiStar Filter® HS-OS5521 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The Fleetguard AS 2423 air/oil separator cross-references to HiStar HS-OS5521 — a compatible replacement element that also matches Mann, SAKURA, MAHLE INDUSTRIE, SF, and 11 interchangeable OEM part numbers in total. Same form, fit and function, OD 325 mm, ID 273 mm, H 762 mm; fits KAESER. Verified against the manufacturer's own cross-reference.