CAT / Perkins DEF Head Unit : OEM ASP-918-1795-11

Ensure DEF Accuracy in CAT & Perkins Equipment

What Is It?

The CAT / Perkins DEF Head Unit (OEM ASP-918-1795-11) is a direct-fit component designed for SCR (Selective Catalytic Reduction) systems. It integrates DEF level sensing, temperature monitoring, and fluid suction into one durable assembly. This unit ensures proper DEF flow and communication with the emissions control system in CAT and Perkins diesel engines.

Why Choose OEM ASP-918-1795-11?

The OEM ASP-918-1795-11 is engineered to meet CAT and Perkins specifications, offering precise sensor calibration and system compatibility. It helps prevent common SCR issues such as inaccurate DEF readings, system errors, and unplanned downtime—delivering the consistency your equipment needs.

Key Benefits

✅ Three-in-One Design: Combines DEF level sensor, temperature sensor, and suction port
✅ OEM Fitment: Built to integrate seamlessly with CAT and Perkins SCR systems
✅ Weather-Resistant Construction: Resists DEF crystallization and environmental stress
✅ Easy to Install: Uses original mounting points and factory wiring connections
✅ Reliable Data Transmission: Supports accurate emissions system working conditions and monitoring

Applications

This DEF head unit is suitable for a wide range of CAT and Perkins-powered machines, including agricultural, industrial, and construction equipment. It ensures accurate DEF handling for emissions compliance and long-term operation in demanding work environments.

Installation Notes

Inspect the DEF tank for contamination or crystallization before installation. The OEM ASP-918-1795-11 installs using standard factory fittings and connectors. Once installed, run a diagnostic scan to clear any prior codes and verify communication with the engine control module.

Final Thoughts

The CAT / Perkins DEF Head Unit OEM ASP-918-1795-11 offers a reliable solution for restoring full functionality to your DEF system. Its OEM-grade fit, integrated sensors, and rugged construction make it a smart choice for protecting your emissions system and keeping your equipment field-ready.