Fuel Metering Pump 12V D2/D4/B4

12V Fuel Metering Pump for Espar / Eberspächer Airtronic D2, D4 & B4

Keep fuel delivery consistent when servicing your Airtronic heater. This 12V replacement fuel metering pump is listed for the diesel D2 and D4 and the gasoline B4, helping meter fuel to the heater for steady operation.

Why replace the fuel metering pump?

When a heater struggles to start, runs unevenly, or shuts down unexpectedly, the fuel delivery system is one place to check. If diagnosis points to the metering pump, replacing it can help restore dependable starts and heat when you need it.

• Direct-replacement pump for the listed 12V Airtronic models.
• Designed to deliver consistent fuel metering.
• Suitable for the listed diesel and gasoline heater applications.

Compatibility

• Espar Airtronic D2, diesel, 12V
• Espar Airtronic D4, diesel, 12V
• Espar Airtronic B4, gasoline, 12V

What’s Included

• One 12V fuel metering pump, SKU 22.4519.01.0000

Before ordering: Confirm your heater model and voltage, and diagnose the fuel system before replacing parts. A pump that is not clicking does not by itself identify the cause of a no-start condition.