Ford Fiesta Mk7 Injection Rail Injectors Pipe Set 1.0 GTDI DM5G-9H487-AB

Ford Fiesta Mk7 Fuel Rail Injectors 1.0 GTDI DM5G-9H487-AB is an original fuel supply system component designed for 1.0 GTDI engines in the Fiesta Mk7 model. The complete fuel rail with injectors ensures precise fuel delivery, stable engine operation, and correct combustion parameters in a modern turbocharged engine.

Specifications and technical data

• SKU: 1798431
• Mark: Ford
• Condition: Used
• OEM Part Number: 1798431
• Substitutable numbers: 1798431, CM5G-9D280-HB, CM5G9D280HB, 0261555179, 0 261 555 179, 2201970, DM5G9H487AB, DM5G-9H487-AB
• Part type: Fuel Injector
• Category: Fuel Injectors

Purpose and Function of the Fuel Rail

The fuel rail integrated with injectors in the 1.0 GTDI engine is responsible for uniform fuel distribution to each cylinder and maintaining the correct system pressure. In gasoline direct injection engines, a properly functioning fuel rail is crucial for:

• stable idle operation and during acceleration,
• maintaining the correct fuel-air mixture across the full load range,
• reducing fuel consumption while preserving factory performance,
• reducing exhaust emissions in accordance with the design specifications of the 1.0 GTDI unit.

Benefits of Using an Original Ford Fuel Rail

Choosing a component from the Injector Nozzles category from the Ford brand allows you to maintain the parameters intended by the vehicle manufacturer. The original design ensures:

• precise geometric fit to the cylinder head and 1.0 GTDI engine accessories,
• correct compatibility with the factory engine control unit and injection maps,
• appropriate fuel atomization characteristics for this engine unit,
• preservation of stock running smoothness and acceleration dynamics.

Thanks to this, installing the fuel rail does not require installation modifications or mechanical adaptation – the component is ready to operate in a system compliant with factory specifications.

Technical Characteristics and Application

The presented fuel rail with injectors is assigned to the Injector Nozzles category and has been specifically designed for the 1.0 GTDI engine in the Ford Fiesta Mk7. Using the complete assembly allows for refreshing a key part of the fuel system in one service step, which is particularly important for symptoms such as:

• uneven engine operation under load,
• power loss or reduced acceleration,
• increased fuel consumption without other apparent causes,
• injection system errors recorded by the control unit.

Selecting a component from the same design family as the factory part minimizes the risk of compatibility issues and facilitates future diagnostics.

Condition, Origin, and Economic Aspect

The offered fuel rail with injectors is a used part, sourced from a dismantled Ford vehicle. This type of component offers a favorable compromise between repair cost and maintaining original quality of workmanship. In many cases, using a used OEM part is more predictable than installing inexpensive aftermarket replacements with unknown operating characteristics.

If you want to better understand how using dismantled components affects the environment and your service budget, check out the article: circular economy and choosing used parts for your garage.

Complementary Ford Injector Nozzles

In case of extensive fuel system repairs, it is worth considering replacing or supplementing other components from the Injector Nozzles category designed for Ford vehicles. If you need additional components from the same category, see our offer for Ford injector nozzles to select cohesive service solutions for your car.