5506956RX DOSER PUMP

The 5506956RX Doser Pump is a premium OEM replacement pump engineered for diesel engines using DEF/SCR emission systems. It provides steady pressure and flow to support precise DEF delivery, effective emissions reduction, and dependable system performance. Designed for long-lasting durability, this pump minimizes dosing issues, pressure-related faults, and potential engine derates—making it a critical part for maintaining optimal engine efficiency.