Eberspacher Airtronic S3 D4L 24V RV Diesel Heater – Comfort Installation Kit

Eberspacher Airtronic S3 D4L 24V RV Diesel Heater – Comfort Installation Kit

$890.00 USD
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Eberspacher Airtronic S3 D4L 24V RV Diesel Heater – Comfort Installation Kit

Eberspacher Airtronic S3 D4L 24V RV Diesel Heater – Comfort Installation Kit

$890.00 USD
Product Details

The Eberspächer Airtronic D4L (24V) is a high-performance diesel air heater engineered for large campervans, motorhomes, expedition trucks, commercial service vehicles, marine cabins, and off-grid installations. With its strong heating capacity and durable construction, the D4L provides reliable and consistent warmth even in harsh winter conditions, making it an ideal heating solution for demanding environments.

The included Comfort Installation Kit provides all essential components for a complete and professional installation—fuel system parts, exhaust components, wiring harnesses, air ducts, and mounting hardware—ensuring a smooth, safe, and reliable setup.


Key Features

  • Heating Capacity: Approx. 1.8 – 4.0 kW — ideal for medium to large interior spaces

  • 24V System Compatibility: Perfect for trucks, buses, heavy-duty equipment, and 24V RV setups

  • Diesel-powered heating with optimized combustion for excellent fuel efficiency and low emissions

  • Quiet and stable operation thanks to advanced airflow engineering and noise-reduction design

  • Rugged, vibration-resistant, and moisture-protected construction — perfect for off-road and industrial use

  • Precise temperature regulation with built-in thermostat and adjustable airflow

  • Automatic altitude compensation ensures reliable performance in high mountain regions

  • Ideal for demanding applications such as expedition trucks, large camper builds, and commercial service vehicles


Airtronic M2 D4L 24V Heater – Package Contents

1 × Airtronic M2 D4L Heater Unit

OEM Code: 252729

1 × Digital Control Switch

OEM Code: 25.1000.35.2200.0C

1 × 90 mm Hot Air Hose (50 cm)

OEM Code: Not specified

1 × Heater Front Cover

OEM Code: Not specified

1 × Electrical Wiring Harness

OEM Code: 25.2720.80.1100.0A

1 × Fuel Hose (8 meters)

OEM Code: Not specified

1 × Air Intake Pipe (100 cm)

OEM Code: Not specified

2 × Exhaust Pipes (90 cm + 30 cm)

OEM Code: Not specified

1 × Silencer

OEM Code: Not specified

1 × Air Outlet Vent

OEM Code: 22.1000.01.0056.0A

1 × Fuse Kit

OEM Code: 22.9000.30.2720.0A

1 × Automatic Holder / Bracket

OEM Code: 22.1000.50.0300.0D

15 × Plastic Clamps

OEM Code: 22.9000.09.0165.0A

1 × Automatic Mounting Components

OEM Code: 22.9000.09.0163.0A

1 × Installation Hardware (screws & clamps)

OEM Code: Not specified

1 × Air Intake Grill

OEM Code: Not specified

1 × 90 mm Hose Clamp

OEM Code: Not specified

1 × 1–4 kW Fuel Metering Pump

OEM Code: 22.4553.01


 Installation Box

OEM Code: 25.2720.80.0000.0B


Typical Applications

  • Motorhomes and large campervans

  • Expedition and overland trucks

  • Commercial service vehicles and mobile workshops

  • Marine cabins and sailing yachts

  • Off-grid installations, tiny homes, and mobile shelters

  • Heavy-duty and industrial 24V vehicle platforms


Return Policy

Shipping, Customs & Return Policy

Please read this policy carefully. By placing an order, the buyer is deemed to have read, understood, and accepted the terms outlined below.

Customs & Import Duties (Taxes)

Customs duties, import taxes, VAT, and similar official charges may vary depending on the destination country. These charges are determined solely by the laws, government regulations, and customs policies of the buyer’s country and are outside the control of the seller.

For this reason, any customs duties, import taxes, VAT, or similar governmental charges that may arise in the buyer’s country are entirely the responsibility of the buyer.

YIL TECHNIK cannot be held responsible for the amount, application, changes, or enforcement of such taxes.

As tax regulations differ from country to country and may change over time, we kindly recommend that buyers check their local customs and tax rules before placing an order. Unfortunately, the seller has no authority to intervene in, modify, reduce, or exempt these charges.

If the buyer refuses to pay the applicable customs duties or official charges and the shipment is returned to us as a result, all shipping, handling, return, and related costs incurred will be deducted from the refund amount.

Original shipping fees are strictly non-refundable.

Local Handling & Service Fees

In some countries, additional fees may be requested by local authorities or courier companies, such as:

  • Customs handling fees
  • Brokerage or clearance charges
  • Storage or administrative fees

These local service charges are not included in the product price and remain the responsibility of the buyer.

Damaged Items

If the item arrives damaged, the buyer must request an official damage report from the courier at the time of delivery.

Returns for damaged items will not be accepted without a courier-issued damage report.

Accepted Return Conditions

Returns are accepted only under the following circumstances:

  • Wrong item received
  • Damaged item (with official courier damage report)
  • Defective item
  • Seller error

Returns outside these conditions cannot be accepted.

If the Buyer Ordered the Wrong Item

  • Return shipping costs are the responsibility of the buyer
  • The return shipment must be insured
  • The item must be unused, undamaged, and in its original packaging

Returns are processed only after the item is received and inspected.

Refund Terms

When a return is approved, any customs, handling, logistics, or processing costs incurred in Türkiye during the return process will be deducted from the refund amount.

Original shipping fees are strictly non-refundable.

Once approved, the remaining refundable amount will be issued within 7 days.

Return Request Period

If your item arrives damaged, defective, or not as described, you may request a return within 14 days of delivery.

To initiate a return, please contact us with your order number and a brief explanation of the issue.

Policy Validity

The terms stated above apply only to the specific product being viewed by the buyer.

Each product may have different shipping, customs, and return conditions. The policy displayed on the product page at the time of purchase shall be considered valid and binding.

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