Fuel Metering Pump - HS3 Economy (12v)

OEM Fuel Metering Pump for HS3 Economy Coolant Heaters (12V)

Keep your Espar HS3 D5E Economy coolant heater running at peak performance with this direct-replacement Fuel Metering Pump (FMP). Designed to fit both the gas and diesel variants of the 12V HS3 D5E Economy heater, this pump ensures precise fuel delivery for reliable cold-weather starts and consistent heat output.

Key Features

• Direct OEM replacement — no modifications required
• Compatible with both gas and diesel HS3 D5E Economy (12V) coolant heaters
• Ensures accurate fuel metering for efficient combustion
• Restores full heater performance when the original pump fails
• Built to Espar/Eberspächer quality standards

Compatibility

• Espar/Eberspächer HS3-D5E Gen 3 (12V)
• Espar/Eberspächer HS3-B5E Gen 3 (12V)

If your heater is struggling to start or restart a defective fuel metering pump may be the culprit. Swap it out with this genuine replacement and get back to reliable, efficient heat.