Durafit replacement Diesel Oxidation Catalyst (DOC) for Navistar Maxxforce Engines. Gaskets included. DuraFit DPFs and DOCs are so durable they come with a nationwide3-year, unlimited mileage warranty. Made in the USA! Replaces OEM Numbers: 2603960C91, 5010812R91, 3859549C93 (ASSY) Redline Emissions Products part number: REP 58824 Cannot be sold or shipped to California at this time.
Durafit replacement Diesel Oxidation Catalyst (DOC) for Cummins ISX Engines. Gaskets included. Replaces OEM Numbers: 2594140C91 5011118R91 2594146C91 Redline part number REP 58831 Can not be sold or shipped to California at this time.
Durafit replacement Diesel Oxidation Catalyst (DOC) for Navistar MaxxForce Engines. Gaskets included. Replaces OEM Numbers: 2594200C91 Redline part number REP 58836 Can not be sold or shipped to California at this time.
Durafit replacement Diesel Oxidation Catalyst (DOC) for Navistar MaxxForce 7 DT Engines. Gaskets included. Replaces OEM Numbers: 2605332C91 2605332C1 2605039C91 5011047R91 Redline part number REP 58829 Can not be sold or shipped to California at this time.
Durafit replacement Diesel Oxidation Catalyst (DOC) for Navistar MaxxForce 9 DT Engines. Gaskets included. Replaces OEM Numbers:Â 2605128C1 2605802C1 Redline part number REP 58827 Can not be sold or shipped to California at this time.
Durafit replacement Diesel Oxidation Catalyst (DOC) for Navistar N13 Engines. **Gaskets included!** Replaces OEM Numbers: 2510615C92, 2510615C91 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.
Durafit replacement Diesel Oxidation Catalyst (DOC) for Paccar ISX Engines. Gaskets included. Replaces OEM Numbers: 4353284NX, 4353284, 4353284NX, 4353284RX, 5298350, 5298350NX, 5287100, 5287100NX, 4329542, 4329542NX Redline part number REP 58881 Can not be sold or shipped to California at this time.
Durafit replacement Diesel Oxidation Catalyst (DOC) for Paccar MX Engines. Gaskets included. Replaces OEM Numbers: 1837300PE Redline part number REP 58848 Can not be sold or shipped to California at this time.
DuraFit™ replacement Diesel Oxidation Catalyst (DOC) for Paccar MX-13 Engines. **Gaskets included!** Replaces OEM Numbers: 2131526, 2131526PE,  2088094XS, A055H477  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.
DuraFit™ replacement Diesel Oxidation Catalyst (DOC) for Volvo and Mack D11 D13 Engines. **Gaskets included!** Replaces OEM Numbers: 20864129 21850645 20864120 85001355 85013895 Q621417 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.
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.
Durafit replacement Diesel Oxidation Catalyst (DOC) for Volvo Mack MP7 Engines. **Gaskets included!** Replaces OEM Numbers: 20863840 21850643 85000777 85001356 Redline part number REP 58808 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.