Bosch 18190 Oxygen Sensor - Downstream Right

Overview of Bosch Engineered Oxygen Sensor 18190

The Bosch Engineered Oxygen Sensor 18190 is designed specifically for select Lexus and Toyota models, including the Avalon, Camry, and ES350. This direct fit, heated oxygen sensor ensures precise emission control and optimal engine performance.

• Specific fit for Lexus and Toyota Avalon, Camry, ES350
• Heated narrow-band oxygen sensor for accurate air-fuel ratio monitoring
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 12.2-inch wiring harness with a 4-wire blade terminal connector
• Durable metal housing finished in steel for long-lasting use
• Connector shape: rectangular, male gender with 4 terminals
• Overall length of 15.9 inches, with 14.8 inches from sealing surface to connector end

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering reliable emission control components tailored to specific vehicle applications. The 18190 sensor is a standard replacement part engineered to meet OEM specifications, providing a direct fit solution that maintains factory performance standards for Lexus and Toyota vehicles.

Detailed Product Description

This Bosch oxygen sensor features a heated narrow-band design that allows for precise measurement of oxygen levels in the exhaust gases. The sensor’s metal housing and threaded mounting ensure secure installation and durability under high-temperature conditions. The 4-wire blade terminal connector with a rectangular shape and male gender facilitates a reliable electrical connection. With a wiring harness length of 12.2 inches and an overall length of 15.9 inches, this sensor is engineered for a specific fit, eliminating the need for modifications.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for improved fuel efficiency
• Helps resolve check engine light codes related to oxygen sensor failure
• Reduces harmful emissions by ensuring proper catalytic converter function
• Improves engine performance and drivability in Lexus Avalon, Toyota Camry, and ES350
• Prevents rough idling and poor acceleration caused by faulty sensors

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the Bosch 18190 sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper tightening. Ensure the wiring harness is connected securely to the vehicle’s connector, matching the 4-wire blade terminal configuration. No mounting bracket is included, so verify existing mounting points are intact. This sensor is a direct fit replacement, so no additional modifications are necessary.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 18190 is manufactured to meet strict quality standards, ensuring reliable performance and durability. It is a standard replacement grade part designed to match OEM specifications. Bosch typically offers a limited warranty on their oxygen sensors; please refer to Bosch’s official documentation for specific warranty details.