B · official + dimensions3 equivalents · 3 brands

AIR FILTER cross-reference — WISMET®, SF®

HS-SA12344one HiStar element — compatible replacement for every part below

AIR FILTER · 3 interchangeable part numbers across 3 brands

Dimensions: OD 170 mm · ID 135 mm · H 76 mm

Typical applications: ONAN

Interchangeable cross-brand part numbers

WISMET®

WAI 40390

SF®

SL 1978

HIFI Filter®

SA 12344

Quote source

HiStar Filter® HS-SA12344 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The WISMET WAI 40390 air filter cross-references to HiStar HS-SA12344 — a compatible replacement element that also matches SF, and 3 interchangeable OEM part numbers in total. Same form, fit and function, OD 170 mm, ID 135 mm, H 76 mm; fits ONAN. Verified against the manufacturer's own cross-reference.