Webasto Thermo Pro 90 Water Pump U4840 Wiring Harness
Sold by Heatso US
Supplier price US$38.99
Heatso US's price when we last checked, on 24 October 2026. They run promotions and price by variant, so confirm the current price on their page before you buy.
Buy at Heatso US (opens Heatso US in a new tab)US supplier offer. Choose the exact model and configuration at Heatso; confirm current price, compatibility, stock and delivery.
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Overview
Webasto Thermo Pro 90 Water Pump U4840 Wiring Harness
Webasto Thermo Pro 90 Water Pump U4840 Wiring Harness is available from Heatso for US van and RV builds. Use the specifications and fitment details below to compare this listing with the equipment in your conversion.
Published specifications
| Supplier | Heatso US |
|---|---|
| Price currency | USD |
| Part numbers | 1318928 / 1318928A |
| Listed compatibility | Webasto Thermo Pro 90 |
Match the part before ordering
This is an installation or service component. Match the exact heater family, generation, voltage, connector and manufacturer part number. Similar-looking parts can have different ratings or pinouts. An individual component does not constitute a complete installation kit or an independently powered appliance.
Calculator and installation
The available supplier information is saved with this product. Automatic energy or component selection is withheld where the exact voltage, electrical input or required operating limits are unconfirmed; these are not recorded as zero.
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Specifications and documents
Manufacturer specifications
Published figures for the model shown. Check dimensions, voltage, installation instructions and current specifications with the supplier before ordering.
Heatso · United States
Plan with the exact model
Check the published specifications and supplier options above. Products with unresolved electrical input, voltage or operating limits are withheld from automatic calculator selection. Accessories are not assigned a fabricated zero-watt load.
Plan your US electrical system
Exact listing and documents
Heatso specification, options & current availability ↗
The calculator uses a 12V DC / 120V AC planning model. A 24V or 48V product, or a non-US AC configuration, needs a separately checked design.