{"title":"Dinex DOC Diesel Oxidation Catalysts","description":"\u003cp\u003eDinex DOC (diesel oxidation catalyst) units are engineered to reduce harmful exhaust emissions by converting hydrocarbons and carbon monoxide into less harmful gases. As a key component in the aftertreatment system, the DOC supports emissions compliance and system efficiency. At Advanced Truck Parts, we supply Dinex DOC catalysts built for reliable performance in diesel engines.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eClick to view more\u003c\/summary\u003e\n\n\u003cbr\u003e\n\n\u003ch2\u003eDinex DOC in Aftertreatment Systems\u003c\/h2\u003e\n\u003cp\u003eThe diesel oxidation catalyst (DOC) is typically the first stage in the aftertreatment system. It initiates oxidation reactions that convert unburned hydrocarbons (HC) and carbon monoxide (CO) before exhaust gases move to the DPF and SCR components.\u003c\/p\u003e\n\n\u003cp\u003eDinex DOC units help support:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eReduction of hydrocarbons (HC)\u003c\/li\u003e\n\u003cli\u003eReduction of carbon monoxide (CO)\u003c\/li\u003e\n\u003cli\u003eImproved DPF regeneration efficiency\u003c\/li\u003e\n\u003cli\u003eProper operation of downstream SCR systems\u003c\/li\u003e\n\u003cli\u003eCompliance with emissions regulations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eA properly functioning DOC is critical for maintaining overall aftertreatment performance and avoiding emissions-related issues.\u003c\/p\u003e\n\n\u003cbr\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\n\u003cp\u003eDinex DOC catalysts are widely used in heavy-duty diesel truck and equipment applications with emissions aftertreatment systems.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFreightliner, Kenworth, and Peterbilt trucks\u003c\/li\u003e\n\u003cli\u003eVolvo and Mack diesel platforms\u003c\/li\u003e\n\u003cli\u003eCummins, Paccar, and Detroit Diesel engines\u003c\/li\u003e\n\u003cli\u003eOn-road and off-road diesel applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDOC configurations vary depending on engine platform and emissions requirements, so correct part matching is essential.\u003c\/p\u003e\n\n\u003cbr\u003e\n\n\u003ch2\u003eCommon DOC Failure Symptoms\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eAftertreatment system fault codes\u003c\/li\u003e\n\u003cli\u003eReduced DPF regeneration efficiency\u003c\/li\u003e\n\u003cli\u003eEngine derate conditions\u003c\/li\u003e\n\u003cli\u003eIncreased exhaust emissions\u003c\/li\u003e\n\u003cli\u003eExcessive soot buildup\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDOC failures may occur due to contamination, thermal damage, clogging, or catalyst aging over time.\u003c\/p\u003e\n\n\u003cbr\u003e\n\n\u003ch2\u003eVerify Fitment Before You Buy\u003c\/h2\u003e\n\n\u003cp\u003eDOC units are application-specific and depend on engine and emissions system configuration. To confirm compatibility before ordering, provide:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eEngine model and serial number\u003c\/li\u003e\n\u003cli\u003eTruck or equipment year \/ make \/ model\u003c\/li\u003e\n\u003cli\u003eCurrent DOC or aftertreatment part number\u003c\/li\u003e\n\u003cli\u003ePhotos of the unit if available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis helps ensure the correct Dinex DOC catalyst is selected for your application.\u003c\/p\u003e\n\n\u003cbr\u003e\n\n\u003ch2\u003eWhy Buy Dinex DOC Catalysts from Advanced Truck Parts?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eFitment verification before purchase\u003c\/li\u003e\n\u003cli\u003eReliable aftertreatment components\u003c\/li\u003e\n\u003cli\u003eFast shipping to minimize downtime\u003c\/li\u003e\n\u003cli\u003eSupport for fleets and repair technicians\u003c\/li\u003e\n\u003cli\u003eCompetitive pricing on emissions system parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/details\u003e","products":[{"product_id":"58207-dinex-doc-diesel-oxidation","title":"58207 Dinex DOC Diesel Oxidation Catalyst For Cummins","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003ch2\u003e58207 Dinex DOC Diesel Oxidation Catalyst For Cummins\u003c\/h2\u003e\n  \u003cp\u003e\n    This doc diesel oxidation catalyst for cummins from DINEX is designed to deliver reliable performance and durability.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDesigned to match or exceed applicable specifications\u003c\/li\u003e\n    \u003cli\u003eProvides the function required for the intended system or assembly\u003c\/li\u003e\n    \u003cli\u003eBuilt for dependable performance and service life\u003c\/li\u003e\n    \u003cli\u003eBacked by DINEX quality and engineering.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003ctable border=\"1\" cellspacing=\"0\" cellpadding=\"6\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eDINEX\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eDOC Diesel Oxidation Catalyst For Cummins\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e58207\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eOEM Cross Reference\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e2070750078, 5304054, 5304054NX, 5304054RX, A042R789\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e704844AT\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e36.0 lb\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eBrand Information\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e DINEX\u003c\/p\u003e\n  \u003cp\u003e\n    DINEX supplies quality parts and components designed to provide dependable performance and long service life in their intended applications.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify part number, specifications, and application before installation.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"DINEX","offers":[{"title":"Default Title","offer_id":44435144868069,"sku":"58207","price":3099.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0315\/4437\/7480\/files\/58207-dinex-doc-diesel-oxidation-catalyst-for-cummins-advanced-truck-parts-21932.jpg?v=1755157818"},{"product_id":"4965338-dinex-doc-diesel-oxidation-catalyst","title":"4965338 Dinex DOC Diesel Oxidation Catalyst","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003ch2\u003e4965338 Dinex DOC Diesel Oxidation Catalyst\u003c\/h2\u003e\n  \u003cp\u003e\n    This doc diesel oxidation catalyst from DINEX is designed to deliver reliable performance and durability.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDesigned to match or exceed applicable specifications\u003c\/li\u003e\n    \u003cli\u003eProvides the function required for the intended system or assembly\u003c\/li\u003e\n    \u003cli\u003eBuilt for dependable performance and service life\u003c\/li\u003e\n    \u003cli\u003eBacked by DINEX quality and engineering.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003ctable border=\"1\" cellspacing=\"0\" cellpadding=\"6\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eDINEX\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eDOC Diesel Oxidation Catalyst\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e4965338\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eOEM Cross Reference\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e207-075-0025, 2070750025, 4965338NX, 4965338RX, 5287474, 5287474NX, 5287474RX, 58053, C0119-ID, C0119ID, C0B9-ID, C0B9ID\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e705909AT\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e30.0 lb\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eBrand Information\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e DINEX\u003c\/p\u003e\n  \u003cp\u003e\n    DINEX supplies quality parts and components designed to provide dependable performance and long service life in their intended applications.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify part number, specifications, and application before installation.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"DINEX","offers":[{"title":"Default Title","offer_id":44495418097893,"sku":"4965338","price":2599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0315\/4437\/7480\/files\/4965338-dinex-doc-diesel-oxidation-catalyst-advanced-truck-parts-95063.jpg?v=1755159743"},{"product_id":"58015-dinex-doc-diesel-oxidation-catalyst-filter","title":"58015 Dinex DOC Diesel Oxidation Catalyst Filter","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003ch2\u003e58015 Dinex DOC Diesel Oxidation Catalyst Filter\u003c\/h2\u003e\n  \u003cp\u003e\n    This doc diesel oxidation catalyst filter from DINEX is designed to deliver reliable performance and durability.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDesigned to match or exceed applicable specifications\u003c\/li\u003e\n    \u003cli\u003eProvides the function required for the intended system or assembly\u003c\/li\u003e\n    \u003cli\u003eBuilt for dependable performance and service life\u003c\/li\u003e\n    \u003cli\u003eBacked by DINEX quality and engineering.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003ctable border=\"1\" cellspacing=\"0\" cellpadding=\"6\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eDINEX\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eDOC Diesel Oxidation Catalyst Filter\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e58015\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eOEM Cross Reference\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e4965243NX, 5287191NX, 6356943, A035G674, 5287191, 4965243RX, 5287191RX, OTR0152003, 4965243, C028-ID, C028ID, C0028-ID, C20-0003\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e714114AT\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e60.0 lb\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eBrand Information\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e DINEX\u003c\/p\u003e\n  \u003cp\u003e\n    DINEX supplies quality parts and components designed to provide dependable performance and long service life in their intended applications.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify part number, specifications, and application before installation.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"DINEX","offers":[{"title":"Default Title","offer_id":47659701567717,"sku":"58015","price":1799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0315\/4437\/7480\/files\/s-l960-2025-09-10T201240.215-Photoroom.jpg?v=1757619346"}],"url":"https:\/\/advancedtruckparts.com\/collections\/dinex-doc-diesel-oxidation-catalysts.oembed","provider":"ADVANCED TRUCK PARTS","version":"1.0","type":"link"}