Oxygen Sensor Rear for Ford C-Max Focus Kuga 1.0 1.5

Upgrade your Ford C-Max, Focus, or Kuga with a reliable Rear Oxygen Sensor designed for 1.0 and 1.5L engines. This OE-style sensor monitors exhaust gas after the catalytic converter, helping the engine management system maintain the optimal air–fuel balance. Replacing a worn or faulty rear O2 sensor can reduce emissions, improve fuel efficiency, and restore smooth idle and performance, so your vehicle runs cleaner and more efficiently.

Designed to fit Ford C-Max Focus Kuga models with 1.0 and 1.5L engines, this sensor aligns with the OE references that guide correct replacement. OE references include F1FA9G444BA, 0258030150, 0258030149, F1FA9G444GA, 1876256, FB5Z9G444A, FB5T9G444KA, YTY07017. Compatibility is for reference purposes only—before purchasing, please compare the part number with your original component to ensure a correct match. If the numbers don’t align, this may not be the right replacement for your car.

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Benefits & Tips

• Restore accurate oxygen readings post-cat, enabling the ECU to optimize fuel mixture for lower emissions and better mpg.
• Reduce the likelihood of check engine lights triggered by a failing rear O2 sensor and regain smooth engine performance.
• Simple, direct-replacement design that supports straightforward installation; verify part numbers before swapping to ensure a proper fit.

Product specifications

• Brand Name: NONE
• Sensor Type: Piezoelectric
• Origin: Mainland China
• Suitable for: Ford C-Max Focus Kuga 1.0 1.5
• OE / Part Numbers: F1FA9G444BA, 0258030150, 0258030149, F1FA9G444GA, 1876256, FB5Z9G444A, FB5T9G444KA, YTY07017
• Notes: Compatibility is reference-only; ensure the part number matches your original to guarantee a correct replacement.

Package includes:

• 1 x Rear Oxygen Sensor for Ford C-Max / Focus / Kuga 1.0L & 1.5L
• OE reference cross-checks included for reference during installation

Warnings/Reminders

Compatibility is for reference. Before purchase, please compare the part number with your original part. It must be the same; otherwise, this may not be the correct replacement for your car.