Bosch 15215 Oxygen Sensor - Downstream

Overview of Bosch Validated Oxygen Sensor 15215

The Bosch Validated Oxygen Sensor 15215 is designed specifically for Toyota Avalon and Prius models, providing precise emission control and engine performance monitoring. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to help maintain optimal vehicle operation.

• Compatible with Toyota Avalon and Prius
• Part number: 15215
• Narrow-band heated oxygen sensor type
• Threaded mounting with 18 mm thread diameter
• 12.6-inch wiring harness length with 4-wire blade terminals
• Standard replacement grade with metal housing and steel finish
• Rectangle male connector with 4 terminals
• Overall length of 16.3 inches, heated for faster sensor response

Detailed Product Features and Specifications

This Bosch oxygen sensor features a narrow-band heated design, which allows it to reach operating temperature quickly for accurate emissions readings. The sensor includes a 12.6-inch wiring harness with four wires and blade-type terminals, ensuring a secure and specific fit for Toyota Avalon and Prius models. The sensor’s metal housing and steel finish provide durability and resistance to harsh engine conditions. It mounts via a threaded 18 mm diameter fitting, compatible with the original equipment specifications. The connector is a rectangular male type with four terminals, matching factory wiring harnesses for straightforward installation.

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line is engineered to meet or exceed OEM standards for emission control sensors. These sensors undergo rigorous validation to ensure compatibility and reliable performance in specific vehicle applications. The 15215 sensor is part of this line, offering a direct fit and standard replacement quality for Toyota Avalon and Prius models, supporting efficient engine management and emissions compliance.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for engine control
• Helps resolve check engine light codes related to oxygen sensors
• Improves fuel efficiency by providing precise emissions data
• Reduces harmful exhaust emissions by optimizing combustion
• Prevents engine performance issues caused by faulty sensors

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Bosch 15215 sensor into the exhaust manifold or pipe. Use a 22 mm hex socket for proper tightening. Ensure the wiring harness is connected securely to the vehicle’s factory connector, matching the rectangular male connector with four terminals. No mounting bracket is included, so use the existing mounting points. The heated sensor design allows for quicker sensor activation after installation.

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 15215 is manufactured with high-quality metal housing and components to withstand engine heat and vibration. It is a standard replacement grade sensor designed to meet OEM specifications. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed quality assurance to support reliable operation in Toyota Avalon and Prius vehicles.