Ford Transit Mk8 Fuel Tank Sender Pump Unit 2.0 TDCi GK31-9H307-AC

Ford Transit Mk8 Fuel Tank Sender Pump Unit 2.0 TDCi is an original fuel system component from Ford, designed for installation in the fuel tank of 2.0 TDCi engine versions. This used pump from this series is a solution for users who expect factory compatibility, stable operating parameters, and a reasonable cost for fuel system repairs.

Specifications and technical data

• SKU: GK31-9H307-AC
• Mark: Ford
• Condition: Used
• OEM Part Number: GK31-9H307-AC
• Substitutable numbers: 2394280, GK31-9H307-AC, GK319H307AC, GK319H307CA, GK31-9H307-CA
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The in-tank fuel pump in the Transit Mk8 model is responsible for continuously supplying the 2.0 TDCi engine with the appropriate amount of fuel at the correct pre-pressure. It is a key component that works with the high-pressure common rail pump, filters, and fuel lines, ensuring stable operation of the powertrain across the full load range.

The original Ford solution guarantees a proper fit to the tank geometry, correct positioning of the pump basket, and proper integration with the vehicle's electrical system. This ensures correct starting characteristics, smooth idling, and predictable engine behavior during dynamic acceleration.

Construction and integration with the vehicle system

The in-tank fuel pump in this Transit model is an integrated design, combining the pumping module and components responsible for fuel intake from different zones of the tank into one housing. This solution minimizes the risk of air entering the system when fuel levels are low and supports even emptying of the tank.

The component was designed as an OEM part for the Ford fuel system, which means compatibility with factory electrical harnesses, connectors, and mounts. As a result, installation is performed without the need for modifications, and the pump works with the original control logic in the engine control unit, including safety functions and OBD diagnostics.

Benefits of using an original fuel pump

Using an original in-tank fuel pump in a Ford Transit Mk8 allows you to maintain fuel system operating parameters in accordance with the manufacturer's specifications. The most important advantages include:

• Factory compatibility with the 2.0 TDCi engine and the vehicle's electrical system.
• Proper performance characteristics, matched to the powertrain's demand across the entire RPM range.
• Correct cooperation with sensors and the engine control unit, which facilitates diagnostics and reduces the risk of errors in the ECU memory.
• Proper mechanical fit to the fuel tank, which reduces the risk of leaks and improper fuel intake.

A used OEM component is a solution that allows you to optimize repair costs while maintaining high consistency with the factory fuel system design.

Condition, verification, and part selection

The fuel pump comes from dismantling and has a used status, which in practice means that before installation, it is worth verifying its compatibility with the specific vehicle equipment version. It is recommended to compare the module design, connector type, and mounting method with the old pump from the vehicle to ensure full installation compatibility.

When selecting parts, the manufacturer's markings and interchangeable numbers are helpful, allowing you to match the module to the specific configuration of the Transit Mk8. In case of doubt, it is worth consulting a mechanic or the store's technical department to avoid unnecessary downtime in repairs and ensure the proper operation of the fuel system after replacement.

System expansion – Fuel pumps and level sensors category

If you are planning a comprehensive repair or upgrade of the fuel system area in your Ford and need other components from the same group, such as pre-pump modules, integrated pump baskets, or fuel level sensors, check the available parts in the Ford fuel pumps and level sensors category.

Technical knowledge and working with used components

When working with used fuel system and vehicle electronics components, it is worth knowing the basic principles of selection and diagnostics to maximize their potential and avoid common installation errors. Practical tips on assessing the condition of components, interpreting markings, and working with control systems can be found in the article "The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?", which helps you take an informed approach to the topic of dismantled parts.