Breathe New Life into Your PX8 with the Paccar PX8 DOC 2011–2013
What is it?
The Paccar PX8 Diesel Oxidation Catalyst (DOC) is a key emissions control part for PX8 engines made between 2011 and 2013. It oxidizes hydrocarbons and carbon monoxide into less harmful gases—helping your truck run cleaner and stay emissions-compliant.
Why choose this DOC?
Designed for 2011–2013 Paccar PX8 engines, this DOC ensures a perfect fit and dependable performance. It helps restore proper aftertreatment operation, prevents clogging, and maintains optimal exhaust flow under real-world conditions.
Key Benefits
✅ Converts harmful exhaust gases into cleaner emissions
✅ Enhances exhaust flow and reduces backpressure
✅ Built to endure high temperatures and heavy use
✅ Direct-fit installation—no modifications required
✅ Manufactured to meet OEM durability standards
Applications
This DOC is ideal for Paccar PX8 engines (2011–2013) found in medium- to heavy-duty trucks, especially where emissions compliance and consistent performance are critical.
Installation Notes
Before you install, clean the exhaust passages thoroughly to remove soot and carbon buildup. Use new gaskets and clamps to ensure a secure, leak-free seal. After installing, run diagnostics and check exhaust pressure to confirm system integrity.
Final Thoughts
If your PX8 engine is showing signs of emissions issues, increased backpressure, or performance loss, replacing the DOC is your best bet. The Tamerx PX8 Diesel Oxidation Catalyst combines OEM precision with robust design—helping your truck stay clean, compliant, and ready for the road.