Bosch 13566 Oxygen Sensor - Downstream

Overview of Bosch Engineered Oxygen Sensor 13566

The Bosch Engineered Oxygen Sensor 13566 is designed specifically for Toyota Sienna models, providing precise emission control and reliable performance. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to help maintain optimal engine efficiency.

• Specific fit for Toyota Sienna vehicles
• Heated narrow-band oxygen sensor for improved response
• Threaded mounting type with 18 mm thread diameter
• Includes a 9.6-inch wiring harness with 4 wires and blade terminals
• Durable metal housing with a 22 mm hex size for installation
• Connector features a rectangular shape with male terminals
• Overall length of 13 inches and wiring harness length of 9.6 inches
• Standard replacement grade for emission control sensors

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise and reliable emission control components tailored to specific vehicle applications. The 13566 sensor is part of this line, engineered to meet OEM specifications for Toyota Sienna models. This ensures compatibility and consistent performance in monitoring exhaust gases and maintaining emission standards.

Detailed Product Description

This Bosch oxygen sensor features a narrow-band heated design, which allows it to quickly reach operating temperature and provide accurate oxygen level readings. The sensor’s metal housing and threaded mounting type with an 18 mm thread diameter ensure a secure and durable fit. The 4-wire configuration with blade terminals and a rectangular male connector supports reliable electrical connections. With an overall length of 13 inches and a wiring harness length of 9.6 inches, installation flexibility is enhanced. The sensor’s steel finish and standard replacement grade make it a practical choice for maintaining your Toyota Sienna’s emission system.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio sensing for Toyota Sienna engines
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing accurate exhaust gas data
• Reduces harmful emissions by ensuring correct sensor operation
• Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use a 22 mm oxygen sensor socket for proper removal and installation
• Verify the connector type matches the vehicle’s wiring harness (rectangular male connector)
• Do not overtighten; torque to manufacturer specifications for the 18 mm threaded sensor
• Check wiring harness routing to avoid contact with hot exhaust components

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 13566 is manufactured to meet strict quality standards for emission control sensors. It is constructed with durable metal housing and reliable electrical components to ensure long service life. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship.