Navistar MaxxForce DT, 9, 10 DOC 2011-2013

Engineered for Durability & Compliance: Navistar MaxxForce DT, 9, 10 DOC (2011–2013)

What is it?
The Navistar MaxxForce DT, 9, 10 DOC (2011–2013) is a Diesel Oxidation Catalyst developed for Navistar’s DT, MaxxForce 9 and MaxxForce 10 engines from model years 2011 to 2013. Its function is to convert unburned hydrocarbons (HC) and carbon monoxide (CO) in the exhaust into less harmful compounds before they leave the system, helping maintain emissions standards.

Why Choose the Navistar MaxxForce DT, 9, 10 DOC (2011–2013)?
This DOC is built to OEM-specified dimensions and design, ensuring proper alignment with the exhaust system, sensor interfaces, and flow characteristics of the DT / 9 / 10 engine families. Using a catalyst tailored to factory specs helps prevent misalignment, reduces installation complications, and supports consistent emissions control over time.

Key Benefits
✅ OEM-Matching Construction: Designed to match original mounting points and exhaust routing.
✅ Robust Materials: Withstands high temperatures, vibration, and harsh exhaust environments.
✅ Cleaner Exhaust Output: Helps oxidize HC and CO into less harmful gases.
✅ Improved System Stability: Reduces emission-related fault occurrences and helps maintain smooth exhaust behavior.
✅ Protection for Downstream Components: Cleaner exhaust entering sensors, DPFs, piping helps extend their service life.

Applications
This DOC unit is ideal for heavy-duty trucks, buses, and vocational equipment powered by Navistar’s DT, MaxxForce 9, or MaxxForce 10 engines in the 2011–2013 range. It fits operations requiring reliable emissions performance across regional, vocational, and on-road use.

Installation Notes
Although made for direct replacement, professional installation is recommended. Care must be taken to ensure seals, clamps, and sensor interfaces are properly aligned and secured to avoid leaks. After installing, reset diagnostic systems and verify that the engine control unit correctly recognizes the new catalyst.

Final Thoughts
A reliable DOC is a cornerstone of a dependable emissions control system. The Navistar MaxxForce DT, 9, 10 DOC (2011–2013) delivers a precision-matched, rugged option that helps restore proper exhaust oxidation and gives your engine lasting emissions integrity.