Ford Fiesta ST MK8 Fuel Tank Pump Sender Unit 1.5 EcoBoost K1BY-9H307-AB

Ford Fiesta ST MK8 Fuel Tank Pump Sender Unit 1.5 EcoBoost is an original component from the Fuel pumps and level sensors group, designed for gasoline supply systems. This is a solution for users who expect stable engine fuel supply and precise fuel level measurement while maintaining factory performance characteristics.

Specifications and technical data

• SKU: K1BY-9H307-AB
• Mark: Ford
• Condition: Used
• OEM Part Number: K1BY-9H307-AB
• Substitutable numbers: 2269640, K1BY-9H307-AB, K1BY9H307AB
• Fuel type: Petrol
• Part type: Fuel Pump
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel supply system

The described fuel pump with a float assembly is a component mounted inside the fuel tank, responsible for transporting gasoline to the injection system and transmitting fuel level information to the instrument cluster. In vehicles with a 1.5 EcoBoost engine, a properly functioning pump is crucial for maintaining the correct pressure in the low-pressure system, which translates into stable engine operation and correct throttle response.

The built-in fuel level sensor works with the vehicle's electronics, ensuring a clear reading on the dashboard. This gives the driver constant control over the amount of fuel in the tank, which reduces the risk of running on a low fuel level and potential power supply interruptions.

Benefits of using an original fuel pump

Using an original component from the Fuel pumps and level sensors group allows you to maintain the factory operating parameters of the fuel supply system. The properly selected pump performance characteristics and the correct geometry of the fuel level sensor contribute to:

• stable engine fuel supply across the full load range,
• correct cooperation with the engine control system,
• reliable fuel level reading on the gauge,
• reduction of the risk of errors related to incorrect fuel pressure.

For EcoBoost gasoline engines, it is particularly important to maintain the correct supply parameters, as the injection system operates based on precisely selected pressure and flow values. The original fuel pump with sensor helps avoid problems with rough engine operation, power loss, or starting difficulties.

Product characteristics and condition

The presented item is a used part, which means it comes from vehicle dismantling and may show signs of wear typical for this type of component. At the same time, it retains a design consistent with the manufacturer's factory specifications, which facilitates installation in place of a worn or damaged pump without the need to modify the fuel system or electrical wiring.

The pump is designed for gasoline-powered systems, which is important when selecting parts for a specific engine version. Using the correct type of fuel in relation to the pump design has a direct impact on the durability and proper operation of the entire system.

Selection, compatibility, and technical aspects

To correctly select this fuel pump for a specific Ford vehicle, it is worth verifying compatibility based on the OEM part number and interchangeable numbers visible in the technical specification. This allows you to avoid problems with fitting the pump basket to the tank, electrical connectors, and the characteristics of the fuel level sensor.

During installation, it is recommended to pay attention to:

• the condition of the seals between the pump basket and the fuel tank,
• correct connection of fuel lines and electrical wires,
• proper positioning of the fuel level sensor float to avoid jamming and incorrect readings.

A properly selected and installed fuel pump with a level sensor ensures consistent operation with the engine control system and the instrument cluster, which translates into comfort in daily vehicle use.

Technical support and additional materials

If you are planning a comprehensive repair or upgrade of the fuel supply area in your Ford and need other elements from the same group, such as pump modules, level sensor assemblies, or complete tank baskets, check the available parts in the Ford fuel pumps and level sensors category.

When selecting used power supply components and sensors, a guide on electronics and sensors in vehicles may be helpful. Detailed information on the principles of selection by OEM numbers, compatibility verification, and practical aspects of installation can be found in the article: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?