Cummins L9, B6.7L DPF : OEM 5579360RX

OEM DPF Solution for Cummins L9 and B6.7L Engines

What Is It?

The Cummins DPF (OEM 5579360RX) is a Diesel Particulate Filter designed to trap and contain soot particles from the exhaust stream of Cummins L9 and B6.7L engines. It plays a critical role in the emissions control system by reducing particulate emissions and helping the engine stay compliant with current environmental standards.

Why Choose OEM 5579360RX?

Built to Cummins factory specifications, the 5579360RX is a direct-fit replacement that ensures seamless integration with existing aftertreatment components. It provides reliable soot filtration, proper backpressure, and consistent regeneration support—helping you avoid warning lights, downtime, or compliance issues.

Key Benefits

✅ Engineered for Cummins L9 and B6.7L: Compatible with multiple medium-duty engine platforms
✅ OEM-Grade Filtration: Efficiently traps soot and particulate matter
✅ Thermal-Resistant Materials: Built for repeated regeneration and extreme operating conditions
✅ Direct Replacement Fit: No custom modifications or tuning required
✅ Supports Emissions Compliance: Helps maintain EPA standards and reduces fault codes

Applications

This DPF is ideal for vocational trucks, buses, and industrial equipment powered by Cummins L9 or B6.7L engines. Common uses include refuse vehicles, construction equipment, and municipal transit where emissions reliability is essential.

Installation Notes

Installation should be performed by a certified technician. Inspect the DOC, sensors, and clamps before installation. After mounting the DPF, clear any fault codes and confirm proper regeneration functionality using diagnostic tools.

Final Thoughts

The Cummins L9 / B6.7L DPF OEM 5579360RX offers a factory-quality solution for restoring emissions functionality in modern diesel applications. With reliable fitment, filtration working conditions, and regeneration support, it helps keep your fleet compliant, efficient, and ready for work.