Durafit Replacement DOC for Cummins ISB (2885940 / C20-0055)

Durafit replacement Diesel Oxidation Catalyst (DOC) for Cummins ISB Engines. **Gaskets included!** Replaces OEM Numbers: 2885940NX, 2885940, A030D523. Redline part number: REP 58855 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.