The Bosch 0 444 043 073 is a genuine, premium-grade fluid delivery pump, specifically engineered as a Denoxtronic Supply Module (DEF/AdBlue pump) for modern diesel emission systems. Manufactured by Robert Bosch GmbH in Austria, this highly efficient pump features a rugged metal housing designed to withstand the harsh environments of heavy-duty commercial applications. It comes equipped with precision-machined fluid ports—safeguarded by yellow protective caps during transit—and a secure electrical solenoid connector for seamless vehicle integration. Built to stringent OEM specifications, this pump ensures accurate fluid dosing, optimal exhaust aftertreatment, and reliable performance to keep your diesel engine running cleanly and efficiently.