The hose supplies outside air to the heater’s combustion system. It is separate from the warm-air ducting used to distribute heated air into the vehicle or equipment interior.

Part 925040 is suitable for D2 and D4 heater applications requiring this intake hose. When replacing an existing hose, inspect the complete combustion-air intake path for damage or restrictions.

Always confirm the heater model and installation configuration before ordering.

Key Features

• Combustion-air intake hose
• Designed for compatible Airtronic D2 heaters
• Designed for compatible Airtronic D4 heaters
• Supplies air to the heater combustion system
• Suitable for replacement and heater installation applications
• Separate from the heater’s warm-air distribution ducting
• Flexible construction for installation routing
• Replacement component for compatible ESPAR heater systems

Specifications

• BTRAC Part Number: 925040
• Product Type: Combustion-air intake hose
• Primary Function: Supplies combustion air to the heater
• Compatible Heater Families: Airtronic D2 and D4
• Installation Location: Combustion-air intake system
• Brand Application: Eberspächer/ESPAR
• Condition: New replacement part
• Unit of Measure: Each

Compatible Eberspächer/ESPAR Heaters

Part 925040 is intended for compatible:

• Eberspächer Airtronic D2 heaters
• ESPAR Airtronic D2 heaters
• Eberspächer Airtronic D4 heaters
• ESPAR Airtronic D4 heaters
• Heater installations specified for intake hose 925040

Confirm compatibility using the heater model and installation configuration before ordering.

Common Applications

This intake hose may be used when:

• Installing an Airtronic D2 heater
• Installing an Airtronic D4 heater
• Replacing damaged combustion-air intake hose
• Repairing an existing heater installation
• Rerouting a compatible combustion-air intake
• Servicing the heater’s combustion-air system

Important Installation Notes

• Confirm the heater model before ordering.
• Inspect the existing intake system before replacement.
• Keep the combustion-air intake unobstructed.
• Avoid crushing or sharply kinking the hose.
• Protect the hose from sharp edges and moving components.
• Keep the intake appropriately separated from the heater exhaust.
• Secure the hose to prevent movement or disconnection.
• Inspect surrounding combustion-air components during service.
• Test heater operation after completing the repair or installation.

Related Products

• 416816 – Eberspächer/ESPAR Airtronic D2 12V Combustion-Air Blower
• 417745 – Eberspächer/ESPAR Airtronic D2 Flame Tube
• 417745AM – Eberspächer/ESPAR Airtronic D2 Aftermarket Flame Tube and Gasket
• 334181 – Eberspächer/ESPAR Airtronic D2 Burner Gasket
• 334183 – Eberspächer/ESPAR Airtronic D2 Blower Gasket
• 420453 – Eberspächer/ESPAR Airtronic D2/D4 12V Glow Pin
• 416824 – Eberspächer/ESPAR Airtronic D2/D4 12V Fuel-Metering Pump
• DH-E1000-MAINT – Eberspächer/ESPAR Airtronic D2 12V Maintenance Kit
• 102114310000 – Eberspächer/ESPAR 60 mm Warm-Air Ducting