Walker 250-25174 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Walker OE Base Oxygen Sensor 250-25174

Walker OE Base Sensor 250-25174 is a heated wide-band oxygen sensor built for specific vehicle applications and OE-style signal feedback to the ECU. It is engineered for direct replacement use on select Ford and Lincoln models, including Ford Edge, Transit, Mustang, and Lincoln Nautilus applications.

Key Features

• Heated wide-band oxygen sensor for precise exhaust feedback
• Specific-fit design for the listed vehicle positions
• 5-wire configuration with oblong female connector
• 5 terminals with male terminal gender
• M18 x 1.5 thread size and 22 mm wrench size
• Compatible With upstream sensor locations on select Ford and Lincoln vehicles

Product Details

Walker Products OE Base Sensor line focuses on application-specific engine management sensors that match the required fitment position and diagnostic feedback expected by the ECU. Part number 250-25174 is a heated wide-band oxygen sensor designed for upstream use on 2020-2024 Ford Edge, 2022-2024 Ford Transit-150, 2022-2024 Ford Transit-250, 2020-2024 Ford Transit-350, 2020-2024 Ford Transit-350 HD, 2023 Lincoln Nautilus, and 2020-2022 Ford Mustang. If you are searching for a Ford Edge upstream oxygen sensor or a Ford Transit upstream right oxygen sensor, this OE Base Sensor is built for those exact applications.

The OE Base Sensor product line is intended for vehicles that rely on accurate air-fuel and oxygen sensor input to manage fuel delivery, emissions control, and fault monitoring. Walker Products has supplied engine management and fuel system components since 1946 and manufactures sensors to application-specific requirements for fitment and connector style. Part number 250-25174 is also a relevant search match for buyers looking for a 2020-2024 Ford Edge oxygen sensor replacement or a 2020-2022 Ford Mustang upstream left oxygen sensor.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Poor fuel economy caused by inaccurate exhaust feedback
• Rough engine operation from incorrect air-fuel readings
• Elevated exhaust emissions from a failing upstream sensor
• Fault codes stored in the ECU for sensor-related issues

Installation Notes

Verify the sensor position, connector shape, wire count, and thread size before installation. Inspect the sensor wiring harness and connector for physical damage, since damaged wiring can shorten sensor life and affect operation. Confirm the application matches the listed upstream, upstream right, or upstream left location before replacing the part.

Quality Assurance

Walker Products manufactures this sensor as an OE-style replacement within its OE Base Sensor line, with application-specific fitment and diagnostic feedback requirements in mind. The brand operates as an ISO 9001/TS 16949 certified company and has long-standing experience in engine management sensor production.