The DEF (Diesel Exhaust Fluid) Head Unit is a crucial part of any Selective Catalytic Reduction (SCR) system, helping control nitrogen oxide emissions in diesel-powered equipment. The CAT / Perkins DEF Head Unit — OEM ASP-918-1795-11 — is specifically designed for accurate DEF level detection and temperature monitoring, ensuring emissions compliance and system reliability.
Key Functions of the OEM ASP-918-1795-11 DEF Head Unit:
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Monitors DEF Fluid Levels
Provides real-time feedback to the engine control module, helping prevent low fluid conditions. -
Regulates Fluid Temperature
Ensures DEF remains within the proper temperature range for optimal injection into the exhaust stream. -
Supports Emissions Control
Works within the SCR system to reduce NOx emissions in compliance with EPA standards. -
Triggers Warning Indicators
Sends signals when DEF is low, too cold, or compromised, helping avoid engine derate situations. -
Prevents Costly Downtime
A functional DEF head unit helps maintain consistent engine operation and reduces the risk of fault codes.
If your DEF system is showing warning lights or isn’t reading fluid levels correctly, the CAT / Perkins DEF Head Unit OEM ASP-918-1795-11 may be the solution. At Tamerx Diesel Parts, we offer quality DEF components that support emissions reliability and operational efficiency. Replacing a failing DEF head unit helps keep your engine compliant and running smoothly.