Consistent SCR Performance: Autocar Cummins ISX DEF Head Unit
What is it?
The Autocar Cummins ISX DEF Head Unit helps regulate Diesel Exhaust Fluid (DEF) delivery in vehicles powered by the Cummins ISX engine. It also monitors fluid level, temperature, and pressure—ensuring smoother operation of the SCR system and fewer interruptions on the road.
Why choose this OEM DEF Head Unit?
This OEM unit is designed to pair with Autocar’s system architecture and Cummins ISX engine parameters. It connects directly to existing harnesses and components, helping reduce false codes, dosing errors, and limp-mode incidents caused by aftermarket parts.
Key Benefits
✅ Direct-fit compatibility for Autocar vehicles running Cummins ISX
✅ Maintains steady DEF flow to support system function
✅ Sensor monitoring for level, temp, and internal pressure
✅ Handles road vibration and temperature fluctuations
✅ Helps reduce warning lights, SCR-related alerts, and downtime
Applications
Ideal for Autocar refuse trucks and heavy-duty transport vehicles that rely on Cummins ISX engines. This DEF Head Unit helps maintain reliable function across stop-and-go routes and long-duty cycles.
Installation Notes
Power down the vehicle and release DEF system pressure. Clean connectors and mating surfaces to prevent contamination. Install the unit using OEM plugs and fittings. After installation, scan and clear any codes and confirm sensor data.
Final Thoughts
If your Autocar truck is showing DEF faults or performance issues, this OEM DEF Head Unit offers a reliable path to restore consistent operation. It’s available now at Tamerx and ready to support your fleet’s uptime.