Eberspacher D4L M3 Diesel Air Heater Full Installation Kit (12V )


Enjoy warmth, comfort and the quietest heater on the market with the NEW Eberspacher D4L M3 diesel air heater. The original and best diesel air heater out of Germany has been improved in this brand new model.


In Stock

SKU: 25.2955.05.0000 Category: Tags: , ,

Eberspacher are undoubtedly the ‘Mercedes Benz’ of diesel air heaters. If you want the best, including no more ticking fuel pump, the quietest most reliable heater, the best high altitude performance, the most comprehensive install kit and huge 4kW of heating power  – the new D4L M3 Eberspacher sold by Dieselheat is the way to go.

Backed by a 3 year warranty and Dieselheat’s focus on great service you will enjoy more red wine and cheese, sitting around in the warmth, followed by a good night’s sleep knowing if you need help we have got your back.

Dieselheat Kits Have More

With Eberspacher from Dieselheat you are getting a kit that combines the top notch new Eberspacher model D4L M3 heater with our best install components – it’s better than a standard Eberspacher kit. Our Kits Include what the others don’t:

  • Inlet silencer
  • Inline fuel filter, joiners and clamps

Plus standard kit components

  • Espar / Eberspacher airtronic D4L M3 diesel air heater
  • Easy start pro controller
  • Heavy duty mounting plate
  • All duct, vents, screws etc. for full install
  • See the kit contents tab for a full list of kit components

New D4R Features

  • Easy start pro full digital controller
  • Brushless motor with longer service life and stepless power control
  • Super quiet fuel pump (no ticking)
  • Quieter blower (fan)
  • Stepless heat output levels and improved temperature regulation
  • Built in altitude sensor up to 3000 feet
  • Brushless motor with 5000h service life
  • Optional Easy Start web controller.
  • Noise emissions optimised.

The Eberspacher D4L M3 Airtronic diesel fueled heater offers optimised fuel efficiency, a range of operation modes and unsurpassed safety standards. Certified for installation in passenger areas and in proximity to dangerous substances.

The D4L is the updated version of the D4 – featuring better high altitude performance, much quieter fuel pump, long lasting brushless motor, and stepless heating from 900W to 4000W.

Please note that this kit does not include a fuel tank. We have a range of fitted fuel tanks available, or you can purchase a DIY fuel tank kit here.

We specialise in ready to go caravan kits, plus we can advise you on and prepare custom kits for boats and tiny houses.

  • Espar / Eberspacher airtronic D4L diesel air heater
  • Easy start pro digital controller
  • Heavy duty mounting plate
  • Fuel filter kit
  • Inlet silencer
  • Fuel pump (12v)
  • Fuel hose
  • Fuel T piece kit
  • Exhaust Silencer / Muffler
  • Electrical harnesses
  • Stainless steel exhaust pipe
  • Combustion intake pipe
  • 2m Flexible ducting (90 mm. diameter)
  • Inlet / Outlet grills (on heater)
  • Air outlet grill (90 mm. diameter)
  • Screws, clips and plastic straps required for installation
  • Printed installation instructions

Eberspacher D4L User Manual

EasyStart Pro Operating Instructions

Eberspacher D4L Dimensions

Unlocking guide for Eberspacher Heaters using the Easy Start Pro Controller


Dieselheat offers a two year warranty on this product. Upon receipt of proof of purchase of a product, Dieselheat will, where possible, provide product support via telephone or email. If Dieselheat determines that the issue necessitates the return of the product for inspection and/or repair, it is your responsibility to uninstall the product and return the product at your cost to Dieselheat. Upon repair of the product, Dieselheat will return the product to you at its cost. It is your responsibility to reinstall the product. See our full warranty terms here.

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