- 35.63 Inch International And Navistar MaxxForce Diesel Particulate Filter And Diesel Oxidation .....$1,733.48DX-6503312.8 Inch Cummins ISX Diesel Oxidation Catalysts With 13.15 Inch DiameterStarting at $1,931.24DX-58021-G7.96 Inch Cummins ISX Diesel Oxidation Catalysts With 13.17 Inch DiameterStarting at $1,707.73DX-58025-G16.65 Inch Cummins ISX Diesel Oxidation Catalysts With 13.15 Inch DiameterStarting at $2,180.50DX-58062-G14.06 Inch Cummins ISB Diesel Oxidation Catalysts With 10.31 Inch DiameterStarting at $1,641.81DX-58093-G11.63 Inch Cummins ISC And ISL Diesel Oxidation Catalysts With 11.74 Inch DiameterStarting at $1,865.32DX-58208-G13.37 Inch Cummins ISX Diesel Oxidation Catalysts With 13.27 Inch DiameterStarting at $2,757.30DX-58212-GCummins ISX Diesel Oxidation Catalyst For OEM Numbers 2888263NX And 2885941NX$2,906.65RP-22C0109-IDInternational And Navistar Diesel Oxidation Catalyst Gasket For OEM Numbers 3853371C1 And IN003$12.66RP-21INT71C1Cummins, Volvo, And Detroit Diesel Oxidation Catalyst Clamp For OEM Number 2880213$30.89RP-21CMS0213Discover top-quality Diesel Oxidation Catalysts (DOC) for your semi-truck, including standard and regular grade replacements for a wide range of OE numbers. Our extensive selection features products like the Standard Grade Replacement Diesel Oxidation Catalyst for OE Numbers 5287480NX and A035H236, and the Standard Grade Replacement Diesel Oxidation Catalyst for OE Numbers 4965248NX, 5287496NX, and A035H295. We also offer specialized DOCs for various truck models, such as the Mack and Volvo 2007-2008 Standard Grade Replacement Diesel Oxidation Catalyst for OE Number 21850643, and the International 2011-2014 Standard Grade Replacement Diesel Oxidation Catalyst for OE Number 2604039C91. Our catalog includes DOCs for Cummins ISC, ISX, ISM, and ISB engines, as well as Detroit Diesel DD15 and Volvo and Mack MP7 and D13 engines. Additionally, we provide essential accessories like gaskets and clamps for various OEM numbers, ensuring a perfect fit and optimal performance. Whether you need a 14.06-inch Cummins Diesel Oxidation Catalyst with a 10.31-inch diameter or a 20.71-inch Detroit DD Series 60 DD13 DD15 and MBE4000 Diesel Oxidation Catalyst with a 13-inch diameter, we have you covered. Enhance your truck's efficiency and reduce emissions with our reliable and durable diesel oxidation catalysts. Shop now for the best selection and unbeatable prices! Plus, explore our range of products to address issues like white smoke from diesel exhaust and find solutions such as Howes Diesel Treatment. Whether you're dealing with a Ford 6.0 diesel or an 8.2 Detroit diesel, our offerings, including diesel fuel tanks and accessories from Ryan's Diesel Service, ensure your truck runs smoothly. Don't let white smoke from exhaust diesel slow you down—trust our top-tier DOCs to keep your engine clean and efficient.