Paccar PX9 DOC 2014-2017

Built for Emission Confidence: Paccar PX9 DOC (2014–2017)

What is it?
The Paccar PX9 DOC (2014–2017) is a Diesel Oxidation Catalyst designed for Paccar’s PX9 engines produced between 2014 and 2017. Its purpose is to convert unburned hydrocarbons (HC) and carbon monoxide (CO) in the exhaust into less harmful gases before release, ensuring your vehicle remains within emission guidelines.

Why Choose the Paccar PX9 DOC (2014–2017)?
This DOC matches the OEM layout, sensor placement, and gas flow requirements specific to the PX9 engine, reducing the risk of fitment complications and promoting system stability. It’s engineered to maintain exhaust balance and integrate seamlessly into the existing emission control setup.

Key Benefits
✅ OEM-Fit Geometry: Designed to mirror factory mounting points and exhaust pathways
✅ Durable Materials: Crafted to endure high temperatures and exhaust conditions
✅ Emission Conversion: Aids in oxidizing HC and CO, reducing harmful output
✅ Steady Operation: Helps minimize error codes and unstable exhaust behavior
✅ Protects Downstream Systems: Cleaner exhaust entering filters and sensors improves their longevity

Applications
The Paccar PX9 DOC (2014–2017) is suitable for heavy-duty trucks and commercial vehicles powered by PX9 engines in the specified years. It’s especially useful for fleets, vocational setups, and regional haulers that must combine performance with regulatory compliance.

Installation Notes
While this DOC is intended as a direct replacement, professional installation is recommended. Make sure all clamps, gaskets, and sensor connections are properly aligned and sealed. Once installed, clear any diagnostic trouble codes and confirm the engine control system registers the new unit.

Final Thoughts
Emissions control starts with reliable components. The Paccar PX9 DOC (2014–2017) delivers a factory-aligned, precision option to restore exhaust oxidation and support cleaner, more consistent operation across every route.