Diesel Oxidation Catalyst (DOCs) for Trucks

Reman DOCs to Keep Your Truck EPA Compliant

Diesel Oxidation Catalysts are critical emission control components that convert harmful carbon monoxide, hydrocarbons, and particulate matter into safer compounds before they exit your truck's exhaust system. When your commercial vehicle's DOC fails, you need reliable replacement solutions that maintain compliance without breaking your maintenance budget.

Why Choose Remanufactured DOCs from DPF360?

Our remanufactured diesel oxidation catalysts undergo comprehensive restoration processes that return them to OEM performance specifications. Each DOC is professionally cleaned, inspected, and dyno-tested to ensure optimal catalyst activity and proper exhaust flow characteristics. With our rigorous certification standards, you get the emissions performance your fleet requires at a fraction of new component costs.

Comprehensive DOC Coverage for Major Truck Brands

Our extensive inventory covers diesel oxidation catalysts for leading commercial truck manufacturers and engine platforms. Whether you operate Detroit Diesel-powered vehicles, Paccar trucks, Cummins-equipped fleets, or other major diesel engine configurations, we maintain the precise OEM replacement DOCs your vehicles require for continued regulatory compliance.

Each remanufactured diesel oxidation catalyst includes:

  • Complete catalyst substrate cleaning and restoration
  • Dyno testing for flow rate and conversion efficiency verification
  • OEM-equivalent mounting hardware and gaskets
  • Direct-fit compatibility for seamless installation
  • EPA and CARB emissions compliance certification

Expert Remanufacturing Process

DOC failure doesn't mean expensive dealership replacements or extended vehicle downtime. Our specialized remanufacturing facility employs advanced cleaning technologies and catalyst restoration techniques that restore proper chemical conversion rates while maintaining optimal backpressure characteristics essential for engine performance.

Every unit receives thorough substrate inspection, catalyst coating evaluation, and performance testing before shipment. This meticulous process ensures your replacement DOC will effectively reduce emissions while supporting optimal fuel efficiency and engine operation.

Professional Support for Fleet Operations

We understand the operational challenges of commercial fleet management. Our technical support team provides expert guidance for proper DOC selection, installation procedures, and system integration considerations. With our one-year unlimited mileage warranty coverage, you get dependable emissions control solutions backed by comprehensive protection.

Don't let DOC failures compromise your fleet's compliance or performance. Browse our complete selection of professionally remanufactured diesel oxidation catalysts, or contact our emissions specialists for assistance identifying the correct DOC solution for your specific truck and engine configuration.

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