Bosch 18124 Oxygen Sensor - Downstream, Upstream, Upstream Left or Upstream Right

Overview of Bosch Validated Oxygen Sensor 18124

The Bosch Validated Oxygen Sensor 18124 is designed for precise emission control in select Ford, Lincoln, Mazda, and Mercury vehicles. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Specific fit for Ford E-150, E-250, E-350, F-250 Super Duty, and more
• Heated narrow-band oxygen sensor with 4-wire design
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes 13.5-inch wiring harness with male blade terminals and round connector
• Durable metal housing finished in steel for long-lasting use

Detailed Product Features and Specifications

The Bosch Validated Oxygen Sensor 18124 features a 4-wire heated design that allows for faster sensor warm-up and improved accuracy in measuring oxygen levels in the exhaust stream. Its narrow-band sensor type is engineered to provide precise feedback to the engine control unit (ECU) for efficient fuel management. The sensor’s threaded mounting type with an 18 mm thread diameter and 22 mm hex size ensures secure installation in compatible exhaust systems.

The wiring harness length of 13.5 inches and overall length of 16.9 inches provide ample reach for installation in vehicles such as the Ford Escape, Lincoln Mariner, Mazda Tribute, and Mercury Milan. The connector is a round, male type with blade terminals, designed for a specific fit rather than universal application. The sensor’s metal housing and steel finish contribute to its durability under high-temperature exhaust conditions.

Compatible Vehicles and Applications

This oxygen sensor is compatible with a range of Ford, Lincoln, Mazda, and Mercury models, including:

• Ford E-150, E-150 Club Wagon, E-250, E-350 Club Wagon, E-350 Super Duty
• Ford Escape, F-250 Super Duty, F-350 Super Duty
• Mazda Tribute
• Lincoln Mariner, Milan, Zephyr
• Mercury Milan, Zephyr

Common Issues Addressed by Bosch Oxygen Sensor 18124

• Engine misfires or rough idling due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Poor fuel economy caused by inaccurate oxygen readings
• Check Engine Light triggered by faulty oxygen sensor signals
• Reduced engine performance and drivability problems

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 18124, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s factory specifications. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications. No mounting bracket is included, so use the existing mounting point on the exhaust system.

Quality Assurance and Warranty

As part of the Bosch Validated Oxygen Sensor line, part number 18124 meets stringent quality standards for reliable performance and durability. Bosch is a recognized supplier of emission control components, and this sensor is designed to meet OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to ensure customer confidence in the product.