Durafit replacement DOC for Cummins ISX (4328760 / C20-0057)

Durafit replacement Diesel Oxidation Catalyst (DOC) for Cummins ISX Engines. **Gaskets included!** Replaces OEM Numbers: 4328760NX, 4328760RX, 4328760, A045S167 Redline part number: REP 58857 DuraFit DPFs and DOCs are so durable they come with a nationwide 3-year, unlimited mileage warranty.  Made in the USA! Cannot be sold or shipped to California at this time.