Core Features & Benefits
Webasto Fuel Metering Pump Damper Kit | 478814
The Genuine Webasto Fuel Metering Pump Damper Kit (478814) stabilizes fuel line pressure pulses to significantly eliminate the "ticking" noise of your dosing solenoid pump. Also known as a membrane damper or fuel pump silencer, this OEM component ensures steady fuel delivery to your heater’s burner, maximizing combustion efficiency and cabin comfort.
⚠️ Please Note: This is an add-on silencer/damper component for the fuel system; it does not include a replacement fuel pump.
Key Benefits
- Noise Reduction: Silences the rapid fuel pump clicking for a quieter cabin.
- Pressure Stabilization: Buffers fuel line pulses for smooth, efficient combustion.
- Genuine OEM Quality: Factory-spec Webasto part (OEM: 478814 / 478-814) for maximum durability.
- Complete Kit: Includes 1x membrane damper, 2x mounting clamps, and 1x flexible fuel hose piece.
- Universal Compatibility: Fits 12V and 24V applications running diesel, petrol, or crude oil.
Technical Specifications
- Compatible fuels: Diesel / Gasoline
- Voltage: 12V / 24V
- Kit contents: Membrane Damper x 1, Clamps x 2, Fuel hose connector x 1
Vehicle & Heater Compatibility
Engineered for any standard Webasto fuel dosing solenoid pump. Highly recommended for RVs, motorhomes, marine vessels, and heavy-duty commercial trucks utilizing:
- Air Top Series: AT 2000, AT 2000 S, AT 2000 ST, AT 2000 STC, AT EVO 2000 OE, Air Top EVO 40 & 50
- Coolant & Marine Series: Thermo 90 ST, Thermo Top 90 Series, Thermo Evo, Thermo Top 50
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