Oxygen Sensor Replacement for 17321, Upstream O2 Sensor, Heated 6-Wire, Direct Fit OEM Replacement for Ford F-150/Explorer/Expedition/Transit 150 250 350/Taurus/Mustang, Lincoln Navigator/MKC/MKS/MKT

Key Features ✔ Support Proper Engine Operation & System Stability A malfunctioning oxygen sensor may cause drivability issues and trigger Check Engine Light warnings. This upgraded upstream oxygen sensor is designed to: * Provide consistent oxygen signal feedback to the ECU * Support accurate air-fuel ratio monitoring * Help maintain stable engine operation * Deliver consistent sensor response during normal driving conditions * Address common oxygen sensor–related warning indicators ✔ Fast Warm-Up & Stable Sensor Response * Rapid heating for quicker sensor activation * Reliable performance after cold starts * Consistent signal output under varying driving conditions * Stable response during city and highway driving * Designed for continuous operation immediately after engine start ✔ Durable Construction * Advanced porous ceramic protective layer * Maintains stable signal performance over time * Suitable for high-temperature exhaust conditions * Engineered to withstand vibration and thermal cycling * Built for long-term durability and reliable operation ✔ OEM-Quality Fit & Reliable Replacement * Manufactured to OEM design and production standards * Fully automated production with 100% functional testing * Direct-fit replacement with no modifications required * OE-style connectors for secure installation * Consistent quality and dependable performance Replaces OE Number: 17321, 234-5097, 234-5113, 8F9A-9Y460-GA, 8F9A9Y460GA, 0258017321, 8F9Z-9F472-H, 8F9Z-9F472-J, 8F9Z9F472H, 8F9Z9F472J,5147022,75087,8F9A 9Y460-GA ✔ Wide Vehicle Compatibility Fits for Ford: 2011–2014 E-150 2011–2014 E-250 2011–2016 E-350 Super Duty 2011–2017 Expedition 2012–2013 Focus 2011–2016 F-150 2015–2016 F-250 Super Duty 2015–2016 F-350 Super Duty 2013–2017 Flex 2013–2019 Explorer 2014–2019 Police Interceptor Sedan 2014–2019 Police Interceptor Utility 2011–2019 Taurus 2013–2014 Mustang 2015–2019 Transit-150 2015–2019 Transit-250 2015–2019 Transit-350 2015–2019 Transit-350 HD Fits for Lincoln: 2015–2016 MKC 2013–2016 MKS 2013–2019 MKT 2011–2017 Navigator

• 【Wide Vehicle Compatibility】: Compatible with Ford F-150 (2011–2016), Ford Explorer (2013–2019), Ford Expedition (2011–2017), Ford Transit-150 / Transit-250 / Transit-350 (2015–2019), Ford Taurus (2011–2019), Ford Focus (2012–2013), and Lincoln Navigator (2011–2017). Please use the 'Amazon Confirmed Fit' tool to verify your vehicle before purchasing.
• 【OEM Design & Precision Manufacturing】: Engineered to meet or exceed OEM design and manufacturing standards. Produced on fully automated production lines with precise process control and in-line automated inspection, ensuring 100% functional testing for consistent quality and reliable operation.
• 【Fast Heating & Rapid Sensor Activation】: Features an innovative symmetrical chip structure that positions the heating element closer to the signal circuit, improving heat transfer efficiency. Enables faster warm-up and quicker sensor activation for improved cold-start performance. Delivers accurate and stable oxygen feedback to the ECU to support precise air-fuel ratio control and smooth engine operation.
• 【Accurate Air-Fuel Ratio Feedback】: Designed to provide precise upstream oxygen measurements before the catalytic converter, helping the ECU make real-time fuel adjustments. Supports improved throttle response, stable idle, and consistent engine performance across different driving conditions.
• 【Durable Construction for High-Temperature Exhaust Conditions】: Constructed with a co-fired porous ceramic protective layer using premium imported materials. Designed to maintain stable signal accuracy and long-term performance in high temperatures.
• 【Hassle-Free Direct-Fit Installation】: Designed as a true direct-fit replacement with OE-spec connectors and pre-coated anti-seize threads. Plug-and-play installation requires no modifications, saving time and ensuring a secure, reliable fit.