Untested. I do not have the equipment/vehicle necessary to verify operation. Sold as-is. Please verify part number and compatibility before purchase. It’s possible that this has never been used. I don’t know. No returns.

The Buxatina DEF Doser Pump is designed to fit specific commercial truck models such as Paccar MX11 and MX13, as well as Cummins ISB 6.7L engines. With a manufacturer part number of 5506956, this pump is an essential component for ensuring proper functionality of the truck's fuel system. The product does not come with a warranty, but it is reliable and built to last, making it a valuable addition to any commercial truck fleet.