Oxygen Sensor for Ford Flex Mustang Taurus X Upstream O2 Lambda Air-Fuel Ratio Sensor
Upgrade your Ford/Mercury lineage with this upstream oxygen sensor designed for Ford Flex, Mustang, Taurus, and Taurus X applications. This O2 sensor continuously monitors exhaust gas oxygen to keep the engine’s air-fuel ratio at its optimum, delivering sharper throttle response, steadier idle, and better fuel economy. Engineered as a front/upstream, pre-cat sensor with magnetic induction sensing and integrated heating, it heats up quickly to provide accurate readings from cold starts and maintains efficient operation throughout driving conditions. 100% brand new and rigorously tested, this sensor is a precise, direct-fit replacement that helps protect your catalytic converter and reduce emissions while maintaining peak engine performance.
Designed for a wide range of Ford and Lincoln models, this oxygen sensor fits the upstream position where accurate O2 readings are critical for proper engine management. Compatible models and years include Ford Flex (2010–2011: Limited, SE, SEL; 3.5L V6), Ford Flex (2009: Limited, SE, SEL; 3.5L V6), Ford Flex (2011: Titanium), Mustang (2011–2012 Shelby GT500; 5.4L V8), Taurus (2010–2011: Limited, SE, SEL; 3.5L V6), Taurus (2009–2010: Limited, SE, SEL; 3.5L V6), Taurus X (2008–2009: Eddie Bauer, Limited, SEL; 3.5L V6), Lincoln MKS (2009–2011: Base; 3.7L V6; 2010 EcoBoost/Base; 3.5L V6 or 3.7L V6).
Benefits & Tips
- Restore proper air-fuel balance to improve fuel economy and reduce exhaust emissions by delivering precise oxygen readings to the engine control unit.
- Enhance throttle response and idle stability after replacement, with faster sensor heat-up thanks to the integrated heating element for quick, accurate measurements.
- Choose this upstream sensor as a reliable, direct-fit option when diagnosing catalytic converter efficiency or persistent O2 sensor fault codes.
Product specifications
- Sensor type: Magnetic Induction
- Heating type: Heating Type
- Placement: Front, Upper, Pre-cat, Upstream
- Measuring range: Probe Lambda O2 Oxygen Air Fuel Ratio
- Origin: Mainland China
- Compatible part numbers ( Manufacturer part numbers): 8F9Z-9F472-A, 8F9Z9F472A, 8F9Z9F472AFC, 0258017066, 0 258 017 066, 71827003, 17066, 8F9A-9Y490-AA, 8F9A9Y490AA, 234-5097, 2344203, 8F9Z9F472A, 8F9Z9F472F, 8F9Z9F472J, BA5Z9F472A, BR3Z9F472A, 0 258 017 067
- Condition: 100% brand new; each item tested before shipment
- Application scope: See listed makes/models/years below for fitment
Package includes:
- 1 x Oxygen Sensor
Warnings/Reminders: Please check the product picture and confirm fitment before ordering. If you are unsure about compatibility, contact us before placing the order. Refunds may not be issued for incorrect orders.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
Language support: English language support is available for this item.
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