Hi, I'm hoping to replace my DAF Truck Eberspacher D2 Airtronic 25 2173 unit with your 252954050000 unit+pump. My unit has 3 connectors,2 pin feed,2 pin to pump and 6 pin to control thermostat. 13 wires from the ECU.Would you be anble to supply the mating connector for your units connector or would I need to replace your unit's connector with my 3 connectors? My DAF unit with I think, a dead ECU. Thanks.

Question

Hi, I'm hoping to replace my DAF Truck Eberspacher D2 Airtronic 25 2173 unit with your 252954050000 unit+pump. My unit has 3 connectors,2 pin feed,2 pin to pump and 6 pin to control thermostat. 13 wires from the ECU.Would you be anble to supply the mating connector for your units connector or would I need to replace your unit's connector with my 3 connectors? My DAF unit with I think, a dead ECU. Thanks.

This question is related to Eberspacher Airtronic S3 D2L 24v Unit and Fuel Pump | 252954050000.

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Answers (1)

Answered by Butler Technik's David Butler
Posted 25th November, 2025 at 17:36 by David Butler

your DAF truck Eberspacher heater will have a specific internal ECU and wiring harness to suit the DAF cab heater controls. It's very possible to install a latest generation Eberspacher M3 D4R Heater but you'll need to independently connectit to the Eberspacher controller, not use the DAF harness but install new. if this is something you're interested in please email our Technical Team - sales@butlertechnik.com 

just mention this message reply. Really it would be about getting the best price to you for a full Truck install kit in my opinion, you'll need the 4 x core items of the kit, the heater, the wiring harness, the fuel pump and the controller.

Regards

David

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