5509448 | Genuine Cummins® Diesel Exhaust Fluid (DEF) Doser Pump

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Description

5509448 | Genuine Cummins® Diesel Exhaust Fluid (DEF) Doser PumpDescription and Purpose: The Diesel Exhaust Fluid (DEF) Doser Pump delivers precise DEF injection into the exhaust system to support emissions control and SCR operation. This Genuine Cummins component is supplied in new condition and identified by Part Number: 5509448. It ensures accurate dosing for EPA21 compliance. Compatible with 15 liter ISX QSX engines. Cross Reference: 5509448RX, 5509448NX, 5509448RXCUM. Why Replacement is Important: A failing

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