Ford Fiesta Mk5 Focus Galaxy Mondeo Mk4 Crankshaft Pulse Sensor 1S7F-GC315-AD

Ford Fiesta Mk5 Focus Galaxy Mondeo Mk4 Crankshaft Pulse Sensor is an original component from the Engine sensors and switches category, designed for precise monitoring of the crankshaft position in the engine. A properly selected crankshaft sensor ensures stable engine operation, correct fuel metering, and reliable starting under various operating conditions.

Specifications and technical data

• SKU: 1S7F-GC315-AD
• Mark: Ford
• Condition: Used
• OEM Part Number: 1S7F-GC315-AD
• Substitutable numbers: 1S7F-GC315-AD, 1S7FGC315AD, 1S7F-6D315-AA, 1S7F6D315AA, 1129988
• Category: Engine Sensors & Switches

Purpose and function of the crankshaft sensor

The crankshaft sensor in Ford Fiesta Mk5, Focus, Galaxy, and Mondeo Mk4 models is responsible for transmitting information about the current position and rotational speed of the crankshaft to the engine control unit. Based on this signal, the control system determines the fuel injection and ignition timing, which affects:

• idle stability and acceleration smoothness,
• ease of starting on both cold and warm engines,
• proper cooperation with OBD diagnostic systems,
• reduction of the risk of misfires and engine stalling.

A functional crankshaft sensor is crucial for eliminating issues such as jerking, uneven operation, or sudden engine shutdown while driving.

Original origin and fitment

The presented component comes from the Ford line, which means it maintains factory operating parameters and full compatibility with the vehicle's electrical and mechanical installation. The original crankshaft sensor ensures:

• proper fitment to the mounting socket in the engine block or housing,
• correct signal characteristics for the engine control unit used in these models,
• compatibility with the electrical harness without the need for modifications.

As a result, installation is predictable and does not require the adaptations typical of cheap aftermarket replacements.

Condition of the component and benefits of choosing a used part

The offered crankshaft sensor is a used part, sourced from dismantling, which allows for combining an attractive purchase price with the preservation of the manufacturer's original specifications. In many cases, using a verified used part is more beneficial than installing a low-budget replacement with uncertain parameters.

By choosing this sensor, you gain:

• factory operating characteristics matched to the Ford engine control unit,
• reduction of the risk of control unit errors resulting from an incorrect signal,
• the possibility of an economical repair without sacrificing OEM quality.

Support in selecting and gathering parts

If you are planning a more extensive engine repair and want to select more components in one place, use our one-stop-shop guide: check how to effectively gather original used parts for engine and accessory repairs. You will find practical tips there on how to combine different components to maintain the consistency and reliability of the entire system.

Summary of application in Ford Fiesta, Focus, Galaxy, and Mondeo Mk4

Ford Fiesta Mk5 Focus Galaxy Mondeo Mk4 Crankshaft Pulse Sensor is the right choice when you want to maintain factory engine performance and ensure the correct operation of the control system. Its original origin, fitment for specific Ford models, and the cost-effective nature of purchasing a used part make it a technically safe and economically justified solution for professional powertrain repairs.