Cummins L9 DOC Filter 2022-2024: OEM 4394862

Superior Aftertreatment Filtration for Cummins L9 (2022–2024)

What is it?
The Cummins L9 DOC Filter OEM 4394862 is a vital emissions control component housed in the Diesel Oxidation Catalyst (DOC) of your engine’s aftertreatment system. It helps convert harmful exhaust elements—such as hydrocarbons and carbon monoxide—into less harmful compounds before they continue through the emissions system, supporting cleaner output and optimized engine performance.

Why choose OEM 4394862?
Crafted specifically for Cummins L9 engines manufactured between 2022 and 2024, this DOC filter offers precise OEM fitment and dependable integration with your original aftertreatment hardware. Using a genuine OEM filter helps reduce the likelihood of emissions faults, ensures consistent operation, and extends the service life of your emissions system.

Key Benefits
✅ Designed for 2022–2024 Cummins L9 engines
✅ Helps reduce hydrocarbons and carbon monoxide in exhaust
✅ Promotes dependable aftertreatment system performance
✅ Built to tolerate high exhaust temperature environments
✅ Direct-fit replacement for easy installation

Applications
This DOC filter is ideal for Cummins L9-powered commercial trucks, vocational vehicles, delivery fleets, and other diesel equipment from 2022 through 2024 that depend on effective emissions control for daily performance.

Installation Notes
Before installation, ensure the exhaust and aftertreatment system are fully cooled. Inspect nearby sensors, gaskets, and connections for wear or contamination. Follow Cummins-recommended installation procedures and torque specifications for proper sealing and optimal performance. After installation, verify that the emissions system is functioning correctly.

Final Thoughts
If your Cummins L9 engine shows emissions system alerts or reduced aftertreatment effectiveness, the OEM 4394862 DOC filter provides a dependable, OE-grade replacement solution. Built for precise 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.