Paccar / Cummins DEF Sensor : OEM ASP60DS21-FG

Stay Emissions-Compliant: Paccar / Cummins DEF Sensor – OEM ASP60DS21-FG

What is it?
The Paccar / Cummins DEF Sensor (OEM ASP60DS21-FG) is a genuine emissions component that monitors Diesel Exhaust Fluid (DEF) levels, temperature, and quality in real-time. Installed within the DEF tank assembly, it provides critical data to the engine control module to ensure proper dosing and SCR (Selective Catalytic Reduction) system working conditions.

Why Choose OEM ASP60DS21-FG?
OEM ASP60DS21-FG is designed for precise compatibility with Paccar and Cummins emissions systems. It delivers accurate sensor readings and dependable communication with the ECM—helping prevent system faults, derates, or check-engine lights due to false data from inferior aftermarket sensors.

Key Benefits
✅ Built for Paccar and Cummins DEF systems with direct OEM compatibility.
✅ Measures DEF level, temperature, and quality for optimal SCR function.
✅ Resistant to DEF corrosion and extreme temperatures.
✅ OEM-tested for reliability, signal stability, and long service life.
✅ Plug-and-play design fits factory harnesses—no rewiring or adaptation needed.

Applications
This DEF sensor is used in various on-road Paccar and Cummins diesel platforms, including trucks equipped with SCR systems. It supports emissions compliance by ensuring DEF dosing accuracy and allowing real-time monitoring of fluid conditions.

Installation Notes
Before installation, disconnect the battery and allow the DEF tank to cool. Carefully remove the old sensor and inspect the tank and connector for damage or residue. Use new seals if needed, and secure the sensor per OEM torque specs to avoid leaks or miscommunication with the ECM.

Final Thoughts
The Paccar / Cummins OEM ASP60DS21-FG DEF Sensor is an essential part of your aftertreatment system. Designed for accuracy, reliability, and durability, it ensures your emissions system working properly—keeping your vehicle compliant and running without interruption.