Cummins ISX SCR | 3989623C91 | 2013+ Cummins ISX

SCR Replacement for Cummins ISX OEM: 3989623C91. This catalyst uses a gasket (which are included), and a clamp (not included).

We offer two options to fit your needs which include Brand New Filters and Remanufacturing / Exchange of Your DPF / DOC Filter. Our emissions filters are made and rebuilt in the USA, to meet or exceed OEM specifications, New filters come with a two-year unlimited mileage warranty, and come with the required gaskets.

BRAND NEW OPTION

New filters come with a two-year unlimited mileage warranty, and come with the required gaskets.

REMANUFACTURED / EXCHANGE OPTION

We have created a specialized DPF cleaning remanufacturing process, specifically tailored for your diesel truck or equipment needs. Don’t let engine “limp” modes destroy your wallet. A clogged filter can split or warp over time, and it will need to be replaced with a new one that cost thousand of dollars. Not to mention all poor fuel mileage bills.