Bosch 13540 Oxygen Sensor

Reliable Oxygen Sensor for Lexus and Toyota Vehicles

The Bosch Validated Oxygen Sensor 13540 is designed to provide accurate air-fuel mixture readings for improved engine performance and emissions control. Specifically engineered for select Lexus and Toyota models, this heated wide-band oxygen sensor ensures precise monitoring of exhaust gases.

• Heated oxygen sensor for faster response times
• 11.5-inch wiring harness with 4 wires and blade terminals
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Rectangle-shaped male connector included with wiring harness
• Standard replacement grade with metal housing and steel finish
• Compatible with Lexus Avalon, Toyota Camry, ES300, RAV4, Sienna, and Solara
• Overall length of 15.0 inches for proper fitment

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering reliable emission control components that meet OEM specifications. This line includes sensors that are tested and validated for specific vehicle applications, ensuring compatibility and performance. The 13540 oxygen sensor is part of this line, offering a direct fit and standard replacement quality for select Lexus and Toyota models.

Product Details and Specifications

This Bosch oxygen sensor features a heated design to reduce warm-up time and improve sensor accuracy. The wide-band sensor type provides a broad measurement range for precise air-fuel ratio monitoring. It includes a wiring harness with a length of 11.5 inches, equipped with blade-type terminals and a rectangular male connector for secure electrical connections. The sensor mounts via a threaded 18 mm diameter fitting and uses a 22 mm hex size for installation. Constructed with a durable metal housing and finished in steel, this sensor weighs approximately 0.24 pounds and has an overall length of 15 inches from sealing surface to connector end.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Helps resolve engine performance problems related to faulty sensors
• Reduces emissions by ensuring proper air-fuel mixture readings
• Prevents check engine light triggers caused by sensor failure
• Supports smooth operation of Lexus Avalon and Toyota Camry exhaust systems

Installation Notes and Tips

Installation requires a 22 mm oxygen sensor socket or wrench. Ensure the sensor threads are clean and apply anti-seize compound if recommended by the vehicle manufacturer. The 4-wire harness with blade terminals and rectangular male connector should be securely connected to the vehicle’s wiring system. This sensor is a specific fit for listed Lexus and Toyota models, so verify compatibility before installation. No mounting bracket is included, as the sensor mounts directly via threading.

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 13540 is manufactured to meet OEM standards for fit, form, and function. Bosch provides quality assurance through rigorous testing and validation processes. While specific warranty details may vary, Bosch typically offers a limited warranty covering defects in materials and workmanship for this sensor.