OEM Cummins DEF Doser / Injector, 5511172 Skyline Surplus units are nonreturnable

Surplus units are nonreturnable

Fits CUMMINS AFTERTREATMENT SYSTEMS

please see our Redline Emissions Products version S74000

Spare Quick Connect Couplers

The Cummins part number A056G488 is a three-way catalytic converter system used in Cummins compressed natural gas (CNG) engines

OEM Cummins DEF Doser / Injector, 5511172 Skyline Surplus units are nonreturnableOEM Cummins DEF Doser Injector 5511172, A066A283. The Cummins Doser Injector 5511172 is used primarily on EPA 24 15 liter ISX QSX engines. This is not an aftermarket part; it is OEM. Save BIG on these (while supplies last)! We also offer various aftermarket doser gaskets; you can view these here. These units are OEM "take offs", they are brand new and unused but do not come in Cummins retail packaging. We buy complete units from Cummins and then