Eberspacher Control Unit Airtronic D4S 24v

The Eberspacher Control Unit for Airtronic D4S is a dedicated 24V electronic module designed to optimize heater performance in vehicles. Specifically built for the Airtronic D4S system, this control unit delivers precise ignition, fuel metering, and fault management to ensure reliable heat on demand. Its 24V-only specification makes it ideal for modern vehicle electrical architectures, providing robust protection against voltage fluctuations and short circuits. The unit is compact, easy to integrate with existing wiring looms, and supports consistent cold-start performance in varying conditions. With durable electronics and clear interface signals, technicians can install and diagnose the system quickly, maintaining smooth operation and enhanced cabin comfort during chilly drives.