B · official + dimensions3 equivalents · 3 brands

PRIMING PUMP cross-reference — Bosch®, HIFI OLD NUMBER®

HS-MO5300one HiStar element — compatible replacement for every part below

PRIMING PUMP · 3 interchangeable part numbers across 3 brands

Dimensions: OD 36 mm · ID 26 mm · H 85 mm · thread M22X1

Interchangeable cross-brand part numbers

Bosch®

2447222021

HIFI OLD NUMBER®

MO 300

HIFI Filter®

MO 5300

Quote source

HiStar Filter® HS-MO5300 Request a quote for this part → Prefilled with your part — reply within 24h · low minimums · European supply.

The Bosch 2447222021 priming pump cross-references to HiStar HS-MO5300 — a compatible replacement element that also matches HIFI OLD NUMBER, and 3 interchangeable OEM part numbers in total. Same form, fit and function, OD 36 mm, ID 26 mm, H 85 mm. Verified against the manufacturer's own cross-reference.