OEM Cummins DEF Doser / Injector, 5511172 Skyline We also have the clamps

We also have the clamps and gaskets that are used on this unit

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

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and the does not require clamps

OEM Cummins DEF Doser / Injector, 5511172 Skyline We also have the clampsOEM 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