Refresh Your Emissions System with Cummins X15 X12 MX13 DOC Filter 2018–2024 OEM 4394834
What is it?
The DOC Filter OEM 4394834 is an essential diesel oxidation catalyst designed for the Cummins X15, X12, and MX13 engines built between 2018 and 2024. By effectively converting hydrocarbons (HC) and carbon monoxide (CO), it supports cleaner exhaust output and improved engine health.
Why choose this DOC Filter?
Manufactured to fit precisely for 2018–2024 Cummins X15, X12, and MX13 engine platforms, this filter helps restore optimal after-treatment performance. When your unit is clogged or inefficient, symptoms like recurring fault codes, increased back-pressure, or reduced fuel economy can appear. This direct-fit solution ensures your system is up to task.
Key Benefits
✅ Captures and converts HC and CO for cleaner emissions
✅ Supports effective regeneration cycles and exhaust system flow
✅ Built to withstand heavy-duty conditions and high temperature exhaust gas
✅ Direct-fit replacement — no modifications needed
✅ Meets OEM performance standards for durability and reliability
Applications
Ideal for trucks and heavy-duty equipment powered by Cummins X15, X12 or MX13 engines, covering model years 2018 to 2024, where emissions compliance and system efficiency are critical.
Installation Notes
Before installation, clean the filter housing and exhaust paths of soot buildup or debris. Replace worn gaskets and clamps to ensure proper sealing. After installation, monitor pressure differential and verify regeneration function to confirm the unit is performing correctly.
Final Thoughts
If your engine is showing signs of emissions inefficiency — such as fault codes, higher exhaust back-pressure, or decreased performance — the OEM 4394834 DOC Filter is the smart upgrade. With factory-match engineering and dependable build, it helps keep your engine running clean, efficient, and compliant.