Eberspacher Airtronic L3 D6L 12V RV Diesel Heater – Comfort Installation Kit

High-Power, Quiet & Efficient Heating for Large Motorhomes and Expedition Vehicles

The Eberspächer Airtronic L3 D6L (12V) is a next-generation diesel air heater designed for large motorhomes, camper vans, expedition vehicles, mobile workshops, marine cabins, and off-grid installations.
With an impressive 6 kW heating capacity, it delivers fast, powerful, and continuous warmth—even in extreme winter conditions—making it ideal for spacious interiors.

The new S3 generation offers improved efficiency, longer service life, quieter operation, and enhanced electronic controls for maximum comfort and reliability.

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Key Features

• Heating Output: Up to 6 kW — perfect for medium to large spaces

• 12V electrical compatibility — ideal for motorhomes, camper vans, and service vehicles

• Next-generation brushless blower motor for extended service life (approx. 5,000 hours)

• Fuel-efficient, low-emission diesel combustion system

• Advanced airflow design for quieter operation

• Automatic altitude compensation for stable heating at high elevations

• Durable, vibration-resistant, and moisture-protected construction

• Precise temperature control via advanced electronics

• Suitable for motorhomes, boats, overland builds, service vehicles, and off-grid environments

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Airtronic AL3 D6L Heater – Package Contents

• 1 × Airtronic L3 D6L Heater
  OEM Code: Not specified

• 1 × Digital Control Switch
  OEM Code: 25.1000.35.2200.0C

• 1 × 90 mm Warm Air Duct (50 cm)
  OEM Code: Not specified

• 1 × Air Intake Silencer
  OEM Code: Not specified

• 1 × Mounting Parts (Bracket Set)
  OEM Code: 22.9000.09.0163.0A

• 1 × 90 mm Air Vent
  OEM Code: 22.1000.01.0052.B00

• 1 × Fuel Pump Holder
  OEM Code: 22.1000.50.0300.0D

• 1 × Fuse Kit
  OEM Code: Not specified

• 1 × Screw Set
  OEM Code: Not specified

• 1 × Clamp Set
  OEM Code: Not specified

• 1 × Clamp Set (Second Set)
  OEM Code: Not specified

• 1 × Electrical Wiring Harness
  OEM Code: Not specified

• 20 × Plastic Clamps
  OEM Code: Not specified

• 2 × Exhaust Pipes (90 cm + 30 cm)
  OEM Code: Not specified

• 1 × Fuel Hose (8 meters)
  OEM Code: Not specified

Mounting Box
OEM Code: 25.2720.80.0000.0B

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Typical Applications

• Large motorhomes and RVs

• Expedition and overland vehicles

• Mobile workshops and commercial service vehicles

• Off-grid tiny homes and cabins

• Marine cabins and small boats

• Any 12V vehicle requiring high-capacity heating