5506956RX DOSER PUMP

5506956RX Doser Pump

The 5506956RX Doser Pump is a high-quality OEM replacement pump designed for modern diesel engines equipped with DEF/SCR emission systems. It delivers consistent pressure and flow to ensure accurate DEF dosing, improved emission control, and reliable system operation. Built for durability and long service life, this pump helps prevent dosing errors, pressure faults, and engine derates—making it an essential component for maintaining peak performance.