DEF / AdBlue® Level & Quality Sensor Emulator
Engineered for CAT® C4.4 & Perkins® 1204F (Next Gen Series)
Stop the "Sensor Fault" derates that bring your project to a standstill. Our Professional Series Emulator provides a high-fidelity digital replacement for the original Urea (DEF) Level and Quality sensor. This is a true Plug & Play solution designed for the 4-pin Deutsch DT connector, allowing you to bypass faulty OEM sensors and restore 100% torque and machine performance immediately.
Key Features
Full Emulation: Replicates both Level and Quality signals to the Engine Control Unit (ECU).
Plug & Play Integration: Utilises factory-standard 4-pin Deutsch DT connectors—no wire cutting or splicing required.
Built for the Elements: 100% waterproof and vibration-resistant industrial housing, designed for harsh Australian worksites.
Eliminate Derates: Clears "DEF Quality" and "Level Sensor" fault codes, ensuring no more limp mode or speed restrictions.
Industrial-Grade: Manufactured using high-spec components for long-term reliability in mining and civil applications.
Technical Compatibility
Supported Engines:
Caterpillar® C4.4 ACERT: (Single Turbo & Twin Turbo variants).
Perkins® 1204F: (E44TA & E44TTA models).
Example Machine Applications:
Excavators (Next Gen): CAT 308, 309, 310.
Wheeled Excavators: CAT M315, M316, M318, M319.
Wheel Loaders: CAT 914M, 918M, 920.
Plus: Many other OEM agricultural and construction machines utilising the Perkins 1204F / C4.4 platform.
CAT C4.4 / Perkins 1204F Urea Level / Quality Sensor Emulator Deutsch Connector
- 1 x EMRT Level / Quality Sensor Emulator (EMRT_CATcomEM_44_ULQS).
- 1 x Quick Installation Guide.

