Advanced Emissions Filtration for Cummins L9 Power Units (2022–2024)
What is it?
The Cummins L9 DOC Filter OEM 4394695 is a key emissions control component located in 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 compounds before the exhaust continues through the rest of the emissions system, contributing to cleaner emissions and improved engine efficiency.
Why choose OEM 4394695?
Engineered specifically for Cummins L9 engines manufactured from 2022 through 2024, this DOC filter offers precise OEM fitment and seamless integration with your vehicle’s original aftertreatment system. Using a genuine OEM filter helps minimize emissions faults, ensures consistent performance, and delivers the durability needed for daily operation.
Key Benefits
✅ Designed for 2022–2024 Cummins L9 engines
✅ Helps reduce hydrocarbons and carbon monoxide in exhaust
✅ Supports efficient aftertreatment system performance
✅ Built to withstand high-temperature exhaust environments
✅ Direct-fit replacement for easier installation
Applications
This DOC filter is ideal for Cummins L9-powered commercial trucks, vocational rigs, delivery fleets, and other diesel equipment produced between 2022 and 2024 that rely on compliant emissions control for everyday use.
Installation Notes
Before installation, make sure the exhaust and aftertreatment system are completely cooled. Inspect surrounding sensors, gaskets, and connections for wear or contamination. Follow Cummins-recommended installation procedures and torque specifications to ensure proper sealing and reliable performance. After installation, verify that the emissions system is working correctly.
Final Thoughts
If your Cummins L9 engine displays emissions warnings or reduced aftertreatment performance, the OEM 4394695 DOC filter offers a dependable OE-grade replacement solution. Built for an exact fit and consistent emissions control, it helps keep your engine compliant and operating efficiently. Tamerx has this DOC filter in stock and ready to ship.

