Camshaft Position Sensor > FORD 1.4L / 1.6L ZETEC-SE/SIGMA & FOCUS MK2 & FIESTA > 4M5G-6B-288-A (Original Base Number) | GENUINE PART (Ford OE)
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Genuine OEM Engine Component (Ford Original Equipment)
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Base Part Number: 4M5G-6B288-A (This is the engineering/casting number format often found on the part itself).
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Official Service Part Number: The official Ford service part number that supersedes this is typically 4M5Z-6B288-A or a newer revision like BE8Z-6B288-A.
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Component Name: Camshaft Position Sensor (CMP Sensor)
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Primary Applications (Engine Specific): This sensor is widely used on Ford's naturally aspirated 4-cylinder engines:
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Ford Focus MK2 / C-Max: Primarily fits the 1.4L and 1.6L Sigma/Zetec-SE engines (approx. 2004–2011).
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Ford Fiesta (Mk6/Mk7): Fits 1.25L, 1.4L, and 1.6L Sigma engines (approx. 2002–2019).
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Ford EcoSport / Fiesta / Focus: NOT typically the correct part for the newer 1.0L EcoBoost engine (which uses CM5Z-6B288-A), but often fits the non-turbo 1.5L and 1.6L Sigma engines.
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Key Function: Provides the Engine Control Module (ECM) with the precise camshaft timing data, critical for ignition timing, sequential fuel injection, and the Variable Valve Timing (VVT) system (if equipped).
This is a Genuine OEM Camshaft Position Sensor (CMP Sensor). The number provided, 4M5G-6B-288A, is the engineering or casting number used by Ford on the physical part. When purchasing, the part is usually sold under the official Ford Service Part Number 4M5Z-6B288-A (or its latest revision, often BE8Z-6B288-A).
This sensor is the correct genuine replacement for many popular Ford models across various small-to-mid-size engines:
Zetec-SE/Sigma Engines (1.4L/1.6L): This is the core application, covering many older Fiesta and Focus models (like the Focus MK2 and Fiesta Mk6/7).
Engine Management: The sensor monitors the rotation of the camshaft and sends a pulsed signal to the ECM. This signal is crucial for controlling the engine's ignition and fuel injection sequence.
Important Note on Engine Variants: Due to the wide range of engines listed (1.0cc to 1.6cc), it is critical to confirm the fitment against your specific engine code and VIN (Vehicle Identification Number):
1.0cc EcoBoost: This part is NOT typically used on the 1.0L 3-cylinder EcoBoost engine (which often uses CM5Z-6B288-A).
1.5cc/1.6cc: This part most often applies to the naturally aspirated (non-turbo) Sigma engines.
Using the Genuine Part (4M5G-6B288-A / 4M5Z-6B288-A) ensures:
Precise Signal Accuracy: Required by Ford's ECM for accurate engine timing and optimal performance.
Guaranteed Fitment: Ensures the correct electrical connection and secure mounting in the cylinder head.
Compatible Vehicle (Primary Applications - Check VIN for confirmation):
Ford Focus MK2/MK2.5 1.4L / 1.6L (Sigma/Zetec-SE)
Ford Fiesta 1.25L / 1.4L / 1.6L (Sigma/Zetec-SE)
Ford EcoSport 1.5L (Non-Turbo variants)
Ford Mondeo (Mk4) / S-Max / Galaxy 1.6L EcoBoost (Specific variants only)
Part Number:
✔ 4M5G-6B288A (Engineering Number)
Corresponding Service Part Number: 4M5Z-6B288-A / BE8Z-6B288-A
Part Type:
✔ Camshaft Position Sensor (CMP) (Genuine Part, Zetec-SE/Sigma Engine Specific)
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