Bosch 18075 Oxygen Sensor - Downstream

Overview of Bosch Validated Oxygen Sensor 18075

The Bosch Validated Oxygen Sensor 18075 is designed specifically for select Subaru models, including the Crosstrek, Forester, Impreza, Legacy, Outback, and XV Crosstrek. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

• Compatible with Subaru Crosstrek, Forester, Impreza, Legacy, Outback, and XV Crosstrek
• Part number 18075 for precise fitment
• Heated narrow-band oxygen sensor for reliable emissions monitoring
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 12.2-inch wiring harness with 4 wires and a male rectangular connector
• Constructed with durable metal housing and steel finish
• Standard replacement grade for dependable performance

Detailed Product Features and Specifications

The Bosch Validated Oxygen Sensor 18075 features a 4-wire heated design that improves sensor response time and durability. Its narrow-band sensor type is engineered to provide precise air-fuel ratio readings, essential for maintaining emission standards and engine efficiency. The sensor’s threaded mounting type with an 18 mm thread diameter and 22 mm hex size allows for secure installation in the exhaust system. The wiring harness length measures 12.2 inches, with an overall length of 15.9 inches, including a 14.8-inch length from the sealing surface to the connector end. The connector is a male, rectangular shape with 4 blade terminals, ensuring a specific fit for the designated Subaru models. The sensor housing is made of metal with a steel finish, providing resistance to heat and corrosion.

About the Bosch Validated Oxygen Sensor Product Line

The Bosch Validated Oxygen Sensor line is designed to meet or exceed OEM specifications, offering reliable emission control components for specific vehicle applications. This product line focuses on providing sensors that are tested and validated for compatibility and performance, ensuring that the oxygen sensor integrates seamlessly with the vehicle’s engine management system. The 18075 sensor is part of this line, delivering consistent and accurate readings for Subaru vehicles requiring a narrow-band heated oxygen sensor.

Common Applications and Issues Addressed

• Restores proper air-fuel mixture readings for Subaru Crosstrek and Forester models
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency and reduces harmful emissions in Subaru Impreza and Legacy
• Prevents rough idling and engine performance issues in Outback and XV Crosstrek
• Ensures compliance with emission control standards

Installation Notes and Tips

Installation of the Bosch Validated Oxygen Sensor 18075 requires removal of the old sensor from the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper removal and installation. Ensure the threaded mounting surface is clean before installing the new sensor to prevent leaks. The 4-wire harness with a male rectangular connector should be connected securely to the vehicle’s wiring system. No mounting bracket is included, so verify the sensor’s position matches the original equipment. It is recommended to check for any exhaust leaks after installation.

Quality Assurance and Warranty

This Bosch oxygen sensor is manufactured with high-quality metal housing and components to withstand harsh operating conditions. As a standard replacement grade sensor, it meets industry standards for durability and performance. Bosch products typically come with a limited warranty; please refer to the specific warranty terms provided at the time of purchase for coverage details.