Eberspacher Airtronic D4 D4S to M3 D4L Heater Upgrade Changeover Kit 24v, Car Parts

Car Accessories

Eberspacher Airtronic D4 and D4S Plus to M3 D4L Heater Upgrade Kit 24v Heater and wiring conversion kit for to upgrade old version Eberspacher Espar D4 heater (252114 252498) to the latest Airtronic M3 D4L (252956) heater model. Whilst repair parts are still available for the D4, for fleet maintenance, where time is critical, a plug 'n' play  replacement heater unit can often prove the most effective solution to get a vehicle back on the road or a welfare unit back into hire.  For Marine and RV applications using 24v the D4 conversion kit is a simple and effective way to upgrade your heating system to a new and improved version with minimal work keeping your current Airtronic, ducting, fuel line and controller installed. Benefits of the included Airtronic upgrade harness: No wiring required: Plug-n-play design utilizes the already installed wiring harness and controller Essential for reducing downtime of Ambulance and Welfare fleets when replacement of older heater and pumps is required Compatible with D2 D4 D5 Airtronic heaters using 801 and 802 modulators or the EasyStart Select Diagnostic port for EasyScan included for heater testing and repair of Ax2 Ax3 models Fuel pump adapter lead included for old 4518 pump to new digital fuel dosing pump Certified for installation in passenger areas and in proximity to dangerous substances. PLEASE NOTE: This heater upgrade kit is compatible with existing heater installation using EasyStart Select or EasyStart Timer. If your installation has a different controller version please also see suggested items for Easy Start controllers suitable for the D4R upgrade. This kit includes: A Genuine Eberspacher Airtronic M3 D4L 24 volt heater & fuel pump Plug 'n' play heater adapter harness and fuel pump adapter A comprehensive installation CD This a genuine Eberspacher warranted heater with next day UK delivery available and also shipped internationally. 24 volt only Heater Applications Include Replacement Airtronic D4 heater & fuel pump 4kW power output through smaller ducting size Welfare Units Truck and Commercial Vehicles Caravans, Mobile Homes & RV's Mobile Workshops Electric Vehicles Motorhome & Campervans As a replacement heater in Marine applications where suitable marine components have been prior fitted. If you are planning a new Boat installation with this heater package to ensure you have all the necessary components please contact our team Customised Heater Kits Bespoke vehicle heater kits and marine heater kits are available, or if you require any more accessories for this heater kit please contact Butler Technik with your requirements.

More information

More Information

Table of Contents

• Why it Matters
• Features & Benefits
• Key Specifications
• Usage & Maintenance
• Frequently Asked Questions

Why it Matters

The Eberspacher Airtronic D4 D4S to M3 D4L Heater Upgrade Changeover Kit is essential for those looking to enhance their vehicle's heating system. This upgrade not only improves efficiency but also reduces downtime, which is crucial for fleet maintenance. Whether for ambulances, welfare units, or marine applications, having a reliable heating system is vital for comfort and safety.

Quick Overview

• Upgrade from older D4 models to the latest M3 D4L heater.
• 24V system compatible with various applications.
• Plug-n-play design for easy installation.
• Includes essential components for a complete upgrade.

Features & Benefits

This upgrade kit offers numerous features that enhance the functionality and reliability of your heating system:

• Plug-n-Play Design: The kit utilizes the existing wiring harness and controller, eliminating the need for complex wiring.
• Reduced Downtime: Ideal for fleet vehicles, this upgrade allows for quick replacements, minimizing time off the road.
• Compatibility: Works with D2, D4, and D5 Airtronic heaters using 801 and 802 modulators or EasyStart Select.
• Diagnostic Port: Included EasyScan diagnostic port facilitates testing and repairs for Ax2 and Ax3 models.
• Fuel Pump Adapter: Adapts old 4518 pump to the new digital fuel dosing pump, ensuring seamless integration.
• Certified Installation: Safe for installation in passenger areas and near hazardous materials.

Useful Details

The kit includes:

• A Genuine Eberspacher Airtronic M3 D4L 24-volt heater and fuel pump.
• Plug-n-play heater adapter harness and fuel pump adapter.
• A comprehensive installation CD for guidance.

This upgrade is particularly beneficial for:

• Welfare units
• Truck and commercial vehicles
• Caravans, mobile homes, and RVs
• Mobile workshops
• Electric vehicles
• Motorhomes and campervans
• Marine applications with suitable components

Key Specifications

While specific technical specifications are not detailed, the upgrade kit is designed for 24V systems and is compatible with various heater models. It is essential to ensure that your existing setup aligns with the requirements for optimal performance.

Usage & Maintenance

To ensure the longevity and efficiency of your upgraded heating system, consider the following maintenance tips:

• Regularly check the diagnostic port for any error codes or issues.
• Keep the fuel lines and pump in good condition to prevent leaks.
• Follow the installation CD instructions carefully for optimal setup.
• Schedule periodic inspections, especially for fleet vehicles.

For any customizations or additional accessories, reach out to Butler Technik for tailored solutions.

Frequently Asked Questions

Here are some common questions regarding the Eberspacher Airtronic D4 D4S to M3 D4L Heater Upgrade Changeover Kit:

• Is this kit compatible with my existing heater?
  Yes, it is compatible with existing installations using EasyStart Select or EasyStart Timer.
• Can I install this kit myself?
  Yes, the plug-n-play design allows for easy installation without extensive wiring.
• What applications can this heater be used for?
  This heater is suitable for various applications, including commercial vehicles, RVs, and marine setups.
• Does the kit come with a warranty?
  Yes, it is a genuine Eberspacher product with a warranty.
• How can I contact support for custom kits?
  You can reach out to Butler Technik for any customized heater kits or additional accessories.