Cummins DEF Head Unit : OEM ASP5510-6506718

Reliable DEF System Monitoring for Your Cummins Engine

What Is It?

The Cummins DEF Head Unit (OEM ASP5510-6506718) is a vital emissions system component that integrates Diesel Exhaust Fluid (DEF) level sensing, temperature monitoring, and suction functionality into a single assembly. It ensures accurate data communication with the engine control module and supports proper fluid delivery within Selective Catalytic Reduction (SCR) systems.

Why Choose OEM ASP5510-6506718?

The OEM ASP5510-6506718 is designed to match Cummins' original manufacturing standards, offering factory-calibrated accuracy and a direct fit for compatible DEF tanks. It minimizes the risk of communication errors, false system warnings, and unexpected DEF-related service issues.

Key Benefits

✅ Multi-Function Integration: Combines DEF level, temperature, and suction in one unit
✅ OEM Precision: Built to exact Cummins specifications for seamless system communication
✅ Durable Sealed Housing: Resists DEF crystallization, corrosion, and harsh operating environments
✅ Direct Replacement: Installs without the need for modifications or special tools
✅ Supports SCR Efficiency: Helps maintain correct DEF dosing and consistent emissions monitoring

Applications

This DEF head unit is intended for use in a variety of Cummins-powered vehicles and equipment using SCR emissions systems. It’s commonly found in commercial trucks, off-highway machinery, and other diesel platforms that require precise DEF management from 2017 through current models.

Installation Notes

Technicians should inspect the DEF tank and related wiring before installing the new unit. Proper seating and connector engagement are critical. After installation, diagnostic tools may be needed to clear any existing fault codes and confirm full sensor functionality.

Final Thoughts

The OEM ASP5510-6506718 DEF Head Unit is a dependable choice for maintaining the integrity of your Cummins emissions system. With accurate sensing and factory-grade compatibility, it ensures your DEF system operates reliably—without the worry of unexpected faults or downtime.