Bosch 18207 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Toyota Yaris and Scion iA

The Bosch Validated Oxygen Sensor 18207 is designed to provide accurate air-fuel mixture readings for efficient engine performance. Specifically engineered for Toyota Yaris, Yaris iA, and Scion iA models, this direct fit wide-band oxygen sensor ensures precise emission control and optimal fuel economy.

Key Features of Bosch Oxygen Sensor 18207

• Heated sensor for faster activation and improved accuracy
• Specific fit for Toyota Yaris, Yaris iA, and Scion iA vehicles
• Wide-band sensor type for precise air-fuel ratio measurement
• 18.9-inch wiring harness with 5 wires and blade terminal type
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish for long-lasting performance
• Rectangle-shaped male connector with 6 terminals included
• Standard replacement grade for reliable emission control

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering sensors that meet strict quality and performance standards. These sensors undergo rigorous testing to ensure compatibility and durability, making them suitable for specific vehicle applications like the Toyota Yaris and Scion iA. The 18207 part number represents a direct fit solution that maintains factory specifications for emission control systems.

Detailed Product Description

This Bosch oxygen sensor 18207 features a heated design that allows the sensor to reach operating temperature quickly, reducing emissions during cold starts. The wide-band sensor technology provides accurate and continuous monitoring of the air-fuel mixture, which is critical for engine management systems. With a 5-wire configuration and a robust 18.9-inch wiring harness, this sensor integrates seamlessly with the vehicle’s existing wiring. The threaded mounting and metal housing ensure secure installation and resistance to harsh engine conditions. The male blade terminals and rectangle connector shape facilitate a precise electrical connection, minimizing the risk of signal loss or interference.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces harmful emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Supports smooth engine performance and drivability in Toyota Yaris and Scion iA

Installation Notes and Tips

When installing the Bosch oxygen sensor 18207, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector type match the vehicle’s specifications. Avoid over-tightening the threaded sensor to prevent damage. Since this is a direct fit sensor, no modifications to the mounting or wiring are necessary.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet OEM standards for durability and performance. The Bosch Validated Oxygen Sensor 18207 undergoes strict quality control to ensure reliable operation in emission control systems. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to provide confidence in your replacement part.