The Eberspächer Airtronic D4 12V Control Unit (ECU) is the main electronic module responsible for managing all operating functions of the diesel air heater system. It controls fuel dosing, ignition, blower motor operation, safety sensors, and fault diagnostics to ensure safe and efficient heater performance. A faulty or damaged control unit can lead to incorrect operation or unstable performance; replacing it restores reliable, stable, and efficient heater operation.
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Part Number: 22 5101 00 30 05
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Voltage: 12 V
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Component Type: Electronic control unit (ECU)
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Function: Manages all electronic heater functions
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Features: Integrated safety monitoring and fault diagnostics
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Compatibility: Eberspächer Airtronic D4 (12V)
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Application: Diesel air heater systems
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Installation Note: Designed for 12V systems only; not compatible with 24V systems. Professional installation and configuration are recommended.
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Condition: Original-type spare part
