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.
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Complete Kit: Includes 1x membrane damper, 2x mounting clamps, and 1x flexible fuel hose piece.
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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
Included in the kit:
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
Choosing Guide
Option Choosing Guide for this product is coming soon, please contact [email protected] if you need help picking the right options or have any questions.
Shipping
- United States - 1-5 Working Days
- United Kingdom - 2-5 Working Days
- European Union - 2-7 Working Days
- Australia / New Zealand - 5-14 Working Days
- Rest of World - 5-14 Working Days
There may be a delay if the order is shipped to a PO or parcel shop address. Please note, some couriers do not offer shipping to PO boxes.
View full shipping & Delivery information
Returns
You can return or exchange goods within 14 days from the date of purchase if the item is unused and brand new in unopened packaging. You must contact us before returning any goods, though. Additional deductions might be applied as indicated in the Returns section of our Terms and Conditions.
Warranty Information
Most heaters come with 2 year warranty + optional 1 year extended Warranty available
- Parts - 1 Year Warranty
- Refrigerators - 2 Year Warranty
- AC Systems - 1 Year Warranty
- Heavy duty heating equipment (10 kW+) - 1 Year Warranty
- Other items - 1 Year Warranty
Installation, servicing and maintenance must be done in accordance with manufacturers guidelines. Failure to follow these guidelines will result in voiding your warranty.
We provide free technical and installation support via email or phone to all of our customers who purchase a heater, heater kit or other products from Heatso. We take pride in our customer service and want to ensure that your heater system is properly installed. As a result, if you have any difficulties, please do not hesitate to contact us.
If you require removing and/or refitting your item, please visit a local professional or authorized specialist, if you can not find one you can contact us and we will try to recommend a local partner to assist with the task. The cost of removing and/or refitting this item is not covered by the warranty.