Dependable Aftertreatment Filtration for Cummins B6.7 & L9 (2022–2024)
What is it?
The Cummins B6.7, L9 DOC Filter OEM 4394676 is an important emissions control component housed within the Diesel Oxidation Catalyst (DOC) of your engine’s aftertreatment system. It helps convert harmful exhaust pollutants like hydrocarbons and carbon monoxide into less harmful gases, promoting cleaner emissions and assisting in efficient engine operation.
Why choose OEM 4394676?
This DOC filter is engineered specifically for Cummins B6.7 and L9 engines manufactured from 2022 through 2024. Its precise OEM design ensures proper fitment and seamless integration with your vehicle’s emissions system, reducing the likelihood of faults and supporting consistent, long-term performance. OEM quality means enhanced durability and reliable emissions control.
Key Benefits
✅ Built for 2022–2024 Cummins B6.7 & L9 engines
✅ Helps lower hydrocarbons and carbon monoxide in exhaust
✅ Aids smoother emissions system performance
✅ Built to withstand high-temperature exhaust environments
✅ Direct-fit replacement for simplified installation
Applications
This DOC filter is ideal for Cummins-powered commercial trucks, vocational vehicles, delivery fleets, and other diesel equipment produced from 2022 to 2024 that rely on effective emissions control for daily operation.
Installation Notes
Ensure the exhaust and aftertreatment system are completely cooled before beginning installation. Inspect nearby sensors, gaskets, and connections for wear or damage. Follow Cummins-recommended installation procedures and torque specifications to ensure proper sealing. After installation, verify that the emissions system is functioning correctly.
Final Thoughts
When your Cummins B6.7 or L9 engine shows emissions-related alerts or reduced aftertreatment effectiveness, the OEM 4394676 DOC filter provides a dependable, OE-grade replacement. Designed for accurate fit and consistent emissions control, it helps keep your engine compliant and running efficiently. Tamerx has this DOC filter in stock and ready to ship.