Cummins DEF Head Unit : OEM ASP4310-6600722

Consistent DEF Monitoring Starts with the Right Head Unit

What Is It?

The Cummins DEF Head Unit (OEM ASP4310-6600722) is a critical emissions system component used in vehicles equipped with Selective Catalytic Reduction (SCR) technology. It combines several essential functions—including DEF level sensing, temperature monitoring, and fluid pickup—into one compact, factory-calibrated unit that communicates directly with the engine’s control module.

Why Choose OEM ASP4310-6600722?

The OEM ASP4310-6600722 is designed to meet Cummins' original equipment standards, ensuring compatibility with the vehicle’s emissions control architecture. This unit delivers dependable sensor readings and fluid management without introducing system faults or compatibility issues often seen with non-OEM replacements.

Key Benefits

✅ Multi-Function Assembly: Measures DEF level, temperature, and concentration in one unit
✅ OEM Accuracy: Calibrated to work seamlessly with Cummins ECU and SCR system logic
✅ Durable Housing: Built to resist chemical exposure, crystallization, and vibration
✅ Easy Installation: Direct-fit design simplifies replacement with factory components
✅ Supports Regulatory Compliance: Helps ensure consistent emissions monitoring and reduces risk of system shutdowns

Applications

This DEF head unit is designed for use in a variety of Cummins-powered vehicles and industrial equipment utilizing SCR systems. Common applications include commercial trucks, buses, vocational vehicles, and off-road machinery from recent model years, where accurate DEF data is required to maintain emissions compliance.

Installation Notes

To install, begin by disconnecting battery power and draining the DEF tank if needed. Inspect all electrical connectors and the tank opening for debris or corrosion. The OEM ASP4310-6600722 fits directly into existing ports and harnesses without modification. After installation, a diagnostic scan tool may be required to clear any stored codes and verify sensor operation.

Final Thoughts

When you're maintaining a Cummins emissions system, the OEM ASP4310-6600722 DEF Head Unit offers peace of mind with factory-calibrated precision and reliable durability. It's a dependable solution to help you stay emissions compliant and avoid unexpected disruptions caused by faulty sensor data.