Cummins B6.7 DOC Filter 2022-2024: OEM 4394820

Essential Emissions Filter for Cummins B6.7 (2022–2024)

What is it?
The Cummins B6.7 DOC Filter OEM 4394820 is a core component of the diesel engine’s aftertreatment system. Installed in the Diesel Oxidation Catalyst (DOC), it works to oxidize and reduce harmful exhaust pollutants like hydrocarbons and carbon monoxide before they pass further through the emissions system, supporting cleaner exhaust output and compliant performance.

Why choose OEM 4394820?
This DOC filter is specifically engineered for Cummins B6.7 engines built between 2022 and 2024. Its exact-fit design ensures proper integration with the original aftertreatment system, helping prevent emissions faults, maintain performance, and extend component life. With OEM quality, you’re investing in durability and functional consistency.

Key Benefits
✅ Designed for 2022–2024 Cummins B6.7 engines
✅ Helps decrease hydrocarbons and carbon monoxide in exhaust
✅ Supports smoother aftertreatment system operation
✅ Built to withstand high-temperature exhaust environments
✅ Direct-fit replacement for simplified installation

Applications
This DOC filter is ideal for Cummins B6.7-powered trucks and equipment produced from 2022 through 2024. Typical applications include light- and medium-duty commercial vehicles, delivery trucks, and vocational equipment that rely on effective emissions control for daily operation.

Installation Notes
Ensure the exhaust and aftertreatment system are completely cooled before beginning installation. Inspect adjacent sensors, gaskets, and connectors for damage or wear. Follow Cummins-recommended installation instructions and torque specifications to ensure proper sealing. After installation, check the emissions system for proper function.

Final Thoughts
When your Cummins B6.7 engine is showing emissions-related alerts or reduced aftertreatment performance, the OEM 4394820 DOC filter provides a dependable, OE-grade solution. Built for accurate fit and reliable emissions control, it helps keep your engine compliant and operating efficiently. Tamerx has this DOC filter in stock and ready to ship.