Durafit replacement DOC for Volvo / Mack MP7 / MP8 / D11 / D13(21756506 / C20-0044)

Durafit replacement Diesel Oxidation Catalyst (DOC) for Volvo / Mack MP7 / MP8 / D11 / D13 Engines. **Gaskets included!** Replaces OEM Numbers: 21756506, 21212407. Redline part number: REP 58844 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.