Description
The Webasto Wiring Loom/Harness (Part No. 4110559A) is a genuine OEM wiring harness designed for select Webasto air and water heaters, providing reliable electrical connections between the heater unit, controller/timer, power supply, and associated components. This pre-assembled loom ensures correct polarity, secure plug-and-play connectors, and protected cabling for safe, efficient operation in demanding vehicle environments.
Features
- Complete, ready-to-install harness — Factory-engineered with pre-terminated ends, including modular plugs for heater connection, controller interface, and power leads (typically red for positive, brown/black for ground).
- Durable construction — High-quality insulated wires, weather-resistant sleeving, and robust connectors built to withstand vibration, moisture, temperature extremes, and automotive/marine conditions.
- Compatibility — Suited for various Webasto models, including certain Air Top series (e.g., Air Top 2000/3500/5000 variants) or Thermo Top water heaters with timer/programmer integration





