Paccar / Cummins DEF Sensor : OEM ASP62DS21-FG

Precision DEF Monitoring for Paccar and Cummins Engines

What Is It?

The Paccar / Cummins DEF Sensor (OEM ASP62DS21-FG) is a key component in SCR (Selective Catalytic Reduction) systems. It monitors Diesel Exhaust Fluid (DEF) level, temperature, and quality, transmitting data directly to the vehicle’s engine control module to support efficient and compliant emissions system function.

Why Choose OEM ASP62DS21-FG?

Built to exact OEM specifications, the ASP62DS21-FG sensor ensures precise data reporting and reliable communication with the DEF system. Choosing this OEM sensor reduces the risk of false warning lights, diagnostic errors, or derate conditions caused by inaccurate or inconsistent sensor feedback.

Key Benefits

✅ Multi-Parameter Monitoring: Measures DEF level, temperature, and concentration
✅ Factory-Calibrated: Matches Paccar and Cummins OEM systems for seamless integration
✅ Durable Design: Engineered to withstand harsh DEF environments and exposure
✅ Plug-and-Play Fitment: Installs directly with no special modifications required
✅ System Stability: Supports proper emissions functionality and helps prevent unexpected issues

Applications

This sensor is designed for use in diesel-powered vehicles equipped with Cummins or Paccar engines using SCR emissions systems. Common applications include heavy-duty trucks, commercial fleets, and vocational vehicles where emissions compliance and system reliability are essential.

Installation Notes

Before installing, inspect the DEF tank and electrical connections for contamination or wear. The ASP62DS21-FG connects easily to factory wiring and mounting points. After installation, use a diagnostic tool to confirm system communication and clear any prior fault codes.

Final Thoughts

The OEM ASP62DS21-FG DEF Sensor is a reliable choice for maintaining emissions system accuracy in Paccar and Cummins applications. With OEM-quality calibration and fitment, it helps protect your vehicle from DEF system interruptions and ensures your equipment stays compliant and road-ready.