This is a Diesel Exhaust Fluid (DEF) dosing unit, the module responsible for metering DEF into the exhaust stream for SCR emissions systems. This module interchanges with Volvo part numbers 21332711, 21577030, 22391565, 21243945, 21332704, 21475532, 21575532, and 22391563, making it a direct fit for applications originally equipped with those Volvo units.
Features
DEF (Diesel Exhaust Fluid) dosing module
Interchanges with Volvo 21332711
Interchanges with Volvo 21577030
Interchanges with Volvo 22391565, 21243945, 21332704, 21475532, 21575532, 22391563
