Bosch 15739 Oxygen Sensor

Reliable Oxygen Sensor for Lexus and Toyota Vehicles

The Bosch Universal Oxygen Sensor 15739 is designed to provide accurate air-fuel mixture readings for a range of Lexus and Toyota models. This narrow-band heated oxygen sensor ensures optimal engine performance and emission control by delivering precise data to your vehicle's engine management system.

• Universal fit for multiple Lexus and Toyota models including 4Runner, Highlander, Land Cruiser, Tacoma, and more
• Heated narrow-band oxygen sensor type for faster response times
• 23.8-inch wiring harness length with 4 wires and a rectangular male-female connector
• Threaded terminal type with 18 mm thread diameter and 22 mm hex size for secure mounting
• Durable steel housing with flange mounting type for reliable installation
• Standard replacement grade ensuring consistent performance
• Overall length of 27.2 inches and wiring harness included for convenience

About the Bosch Universal Oxygen Sensor Line

The Bosch Universal Oxygen Sensor product line offers versatile solutions compatible with a wide range of vehicles. The Universal Oxygen Sensor 15739 is engineered to meet standard replacement requirements, providing dependable emission control and engine efficiency. This line focuses on delivering sensors with universal fitment options, making it suitable for various Lexus and Toyota models without compromising on quality or performance.

Product Details and Specifications

This oxygen sensor features a narrow-band heated sensor type, which allows it to quickly reach operating temperature and provide accurate oxygen level readings. The sensor includes a 4-wire configuration with a rectangular connector designed for male-female terminal compatibility. Its steel housing and flange mounting type ensure durability and secure attachment to the exhaust system. The sensor’s threaded terminal with an 18 mm diameter and 22 mm hex size facilitates straightforward installation and removal. With an overall length of 27.2 inches and a wiring harness length of 23.8 inches, this sensor is designed to fit seamlessly in the exhaust system of compatible Lexus and Toyota vehicles.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio readings for improved fuel efficiency
• Helps reduce harmful emissions by ensuring accurate sensor data
• Resolves engine performance issues such as rough idling or hesitation
• Prevents check engine light triggers related to oxygen sensor faults
• Supports optimal catalytic converter function by maintaining correct sensor input

Installation Notes and Tips

When installing the Bosch Universal Oxygen Sensor 15739, ensure the sensor is threaded securely into the exhaust flange using the 22 mm hex size tool. Verify the wiring harness length of 23.8 inches is sufficient for your vehicle’s routing requirements. The sensor’s rectangular male-female connector should be connected firmly to avoid signal interruptions. Since this is a universal fit sensor, confirm compatibility with your specific Lexus or Toyota model before installation.

Quality Assurance and Warranty

Bosch manufactures the Universal Oxygen Sensor 15739 to meet standard replacement specifications, ensuring reliable performance and durability. The sensor’s metal housing and heated design contribute to its longevity under typical operating conditions. While specific warranty details are not provided here, Bosch products generally come with manufacturer-backed quality assurance to support your investment in emission control components.