Ford Fiesta Mk7 B-Max Throttle Body 1.25L Petrol 8A6G-9F991-AC

Ford Fiesta Mk7 B-Max Throttle Body 1.25L Petrol is an original intake system component by Ford, designed for 1.25L petrol engines. It enables precise control over the amount of air drawn into the combustion chamber, which translates into stable engine operation, proper throttle response, and correct interaction with the engine control electronics.

Specifications and technical data

• SKU: 1745465
• Mark: Ford
• Condition: Used
• OEM Part Number: 1745465
• Substitutable numbers: 8A6G-9F991-AC, 8A6G9F991AC, 1745465
• Fuel type: Petrol
• Part type: Throttle Body
• Category: Throttle Bodies

Purpose and function in the intake system

The throttle body in a 1.25 petrol engine plays a key role in regulating airflow, working in conjunction with sensors and the engine control unit. A properly selected component from the Throttle Bodies category helps maintain the correct air-fuel mixture parameters, which is important for engine smoothness, fuel consumption, and exhaust emissions. Using a dedicated throttle body for the Ford Fiesta Mk7 and Ford B-Max reduces the risk of issues with idling, jerking during acceleration, or engine warning lights. This component is designed to work with the petrol fuel system, ensuring consistency with the factory performance characteristics of the engine.

Benefits of using an original Ford throttle body

Using an original Ford component instead of a worn or faulty part ensures:

• better compatibility with factory engine control software,
• stable idle speed and predictable throttle response,
• proper interaction with throttle position sensors and the fuel injection system,
• reduced risk of intake system-related errors. For the user, this means more predictable vehicle behavior in daily operation and the ability to maintain engine performance parameters close to factory specifications. For petrol engines, precise airflow regulation, provided by a properly selected throttle body, is particularly important.

Selection and vehicle compatibility

To ensure proper operation, the throttle body must be matched to the specific engine version and vehicle generation. In practice, this means verifying compatibility with the 1.25 petrol engine designation and the Ford Fiesta Mk7 or Ford B-Max model. It is helpful to compare the design of the component with the currently installed part and check the part number compatibility in the technical specifications. The product belongs to a group of components intended for petrol engines, which is important when distinguishing it from solutions used in diesel units. Proper selection translates into easier installation, correct adaptation in the ECU, and reduced time required for diagnostics after replacement.

Operation, diagnostics, and installation preparation

The engine throttle body in a Ford operates in demanding conditions – it is exposed to contaminants from the intake system and deposits formed during operation. Replacing a worn component with a functional one restores proper airflow and reduces the need for frequent cleaning. After installation, it is recommended to perform a throttle body adaptation and basic computer diagnostics so that the engine controller correctly recognizes the new component. When preparing for the winter season or intensive use, it is worth analyzing the condition of key engine components, including intake system parts. Additional tips on inspecting used components before frost can be found in the article Winter essentials: which used car parts are worth checking and replacing before the frost?.

Expanding the Ford intake system

If you are planning a comprehensive repair or upgrade of the engine area in your Ford and need other elements from the same group, such as throttle housings, control elements, or additional intake system components, check the available parts in the Ford Throttle Bodies category.