Clean Emissions and Smooth Performance with Dodge Ram Cummins 6.7L DOC & DPF 2016–2018 OEM 68225236AE
What is it?
The DOC & DPF assembly (OEM 68225236AE) for the Dodge Ram Cummins 6.7L engine (2016–2018) combines two essential after-treatment parts—the Diesel Oxidation Catalyst (DOC) and the Diesel Particulate Filter (DPF)—into one integrated unit. This assembly helps reduce harmful exhaust emissions while optimizing exhaust flow and overall system efficiency.
Why choose this DOC & DPF assembly?
Engineered specifically for 2016–2018 Dodge Ram Cummins 6.7L engines, this OEM assembly ensures proper fit and consistent performance. When the DOC or DPF becomes blocked, you might notice increased back-pressure, frequent regen cycles, reduced power, poor fuel economy, or emissions fault codes. Installing the correct replacement helps bring your exhaust system back into balanced operation.
Key Benefits
✅ Combines DOC and DPF for effective emissions treatment
✅ Encourages stable regeneration and optimized exhaust flow
✅ Helps reduce back-pressure and avoid after-treatment faults
✅ Direct-fit replacement—no modifications required
✅ Built for heavy-duty service and high-temperature conditions
Applications
Ideal for Dodge Ram trucks equipped with Cummins 6.7L engines (2016–2018) used in daily driving, towing, hauling, or fleet environments where emissions compliance and dependable operation are essential.
Installation Notes
Before servicing, allow the exhaust system to cool completely. Inspect the mounting points, exhaust piping, and sensors for soot buildup or wear. Replace worn gaskets, seals, and clamps to ensure a secure installation. After fitting the new DOC/DPF assembly, clear any fault codes and verify proper regeneration cycles and exhaust flow through system diagnostics.
Final Thoughts
If your Ram’s exhaust system shows signs of frequent regeneration events, elevated back-pressure, or emissions system warnings, the OEM 68225236AE DOC/DPF assembly is the right replacement. With precise fitment and durable construction, this unit helps your engine run cleaner, smoother, and with dependable performance.