Paccar PX6 DOC

Keep Your PX6 Running Clean with a Reliable DOC Solution

What is it?
The Diesel Oxidation Catalyst (DOC) for the Paccar PX6 engine is a key emissions-control component. It helps convert hydrocarbons (HC) and carbon monoxide (CO) in the exhaust into cleaner, less harmful gases, ensuring the aftertreatment system continues operating smoothly and consistently.

Why choose this DOC?
Designed specifically for the Paccar PX6 platform, this DOC ensures proper fitment and dependable emissions function. When the catalyst becomes worn or obstructed, issues such as increased exhaust restriction, frequent regeneration events, or emissions-related fault codes can appear. Using the correct DOC supports clean exhaust flow and steady system behavior.

Key Benefits
✅ Converts HC and CO into cleaner exhaust output
✅ Supports the function of downstream aftertreatment components
✅ Helps maintain stable exhaust flow and reduce restriction
✅ Direct-fit design with no modifications required
✅ Built to handle high-temperature, heavy-duty operating environments

Applications
Suitable for medium-duty trucks and equipment powered by the Paccar PX6 engine. This DOC is ideal for operations requiring reliable emissions control and consistent system behavior across demanding daily use.

Installation Notes
Allow the exhaust system to cool completely before beginning service. Inspect the DOC housing and nearby components for soot buildup, cracks, or other damage. Always install new clamps, gaskets, and seals with the replacement. Once complete, clear any emissions codes and verify that the exhaust system is functioning properly with diagnostic checks.

Final Thoughts
If your PX6 engine is experiencing emissions alerts, increased exhaust restriction, or irregular aftertreatment activity, replacing the DOC is a practical step toward restoring clean and consistent exhaust flow. This component supports reliable day-to-day operation and helps keep your equipment running as intended.