Clear the Path for Performance with Cummins X15 X12 MX13 DOC Filter 2018–2024 OEM 4394782
What is it?
The DOC Filter (OEM 4394782) is an essential diesel oxidation catalyst designed for the Cummins X15, X12, and MX13 engines built between 2018 and 2024. It converts hydrocarbons (HC) and carbon monoxide (CO) into cleaner emissions, helping your engine maintain efficient exhaust flow and compliance.
Why choose this DOC Filter?
Specifically engineered for 2018–2024 Cummins X15, X12, and MX13 engine platforms, this filter provides precise fitment and reliable performance. When your unit becomes clogged or inefficient, you may experience fault codes, increased back-pressure, or reduced fuel economy. This direct-fit replacement ensures your aftertreatment system performs as intended.
Key Benefits
✅ Converts hydrocarbons and carbon monoxide for cleaner exhaust
✅ Supports proper regeneration cycles and exhaust flow efficiency
✅ Built to withstand heavy-duty conditions and elevated temperatures
✅ Direct-fit replacement—no modifications required
✅ Manufactured to meet OEM performance and durability standards
Applications
Ideal for trucks and heavy equipment powered by Cummins X15, X12 or MX13 engines, covering model years 2018 to 2024, particularly where emissions compliance and system efficiency are critical.
Installation Notes
Prior to installation, clean the DOC housing and exhaust passages to remove soot or debris. Replace any worn gaskets and clamps to ensure a tight seal. Once installed, monitor pressure differential and verify regeneration cycles to confirm proper operation.
Final Thoughts
If your engine is showing signs of emissions inefficiency—such as recurring fault codes, elevated back-pressure, or diminished performance—the OEM 4394782 DOC Filter is a smart upgrade. With factory-match engineering and dependable construction, it helps keep your engine running clean, efficient, and compliant.