Bosch 16576 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Lexus and Toyota Vehicles

The Bosch Validated Oxygen Sensor 16576 is designed to provide accurate air-fuel mixture readings for select Lexus and Toyota models. This specific fit oxygen sensor ensures optimal engine performance and emission control by delivering precise data to your vehicle's engine management system.

• Specific fit for Lexus and Toyota models including Avalon, Camry, Corolla, ES250, ES300h, Grand Highlander, Highlander, NX250, NX350h, NX450h+, RAV4, RAV4 Prime, Sienna, UX200, UX250h, and Venza
• Heated wide band oxygen sensor with narrow-band sensor type for accurate emissions monitoring
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size for secure installation
• 19.2-inch wiring harness length with 4 male blade terminals and a square male connector
• Durable metal housing finished in steel for long-lasting performance
• Standard replacement grade type with included wiring harness

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering sensors that meet strict validation standards for fit, form, and function. This ensures that the Bosch 16576 oxygen sensor integrates seamlessly with the vehicle’s existing systems, providing reliable and consistent performance for emission control and engine efficiency.

Product Details and Specifications

This oxygen sensor features a heated design to quickly reach operating temperature, improving sensor response time and reducing emissions during cold starts. The wide band sensor type allows for precise measurement of oxygen levels in the exhaust, while the narrow-band sensor type supports accurate air-fuel ratio adjustments. The sensor’s metal housing and threaded mounting provide durability and secure attachment. With a wiring harness length of 19.2 inches and a total length of 22.6 inches, the sensor is designed for specific fitment, ensuring compatibility with the listed Lexus and Toyota models.

Common Applications and Issues Addressed

• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level data to the engine control unit
• Prevents check engine light triggers caused by faulty oxygen sensors
• Improves fuel efficiency by enabling precise fuel delivery adjustments
• Supports proper operation of catalytic converters and emission systems

Installation Notes and Tips

Installation requires a threaded mounting type oxygen sensor socket (22 mm hex size). Ensure the sensor is installed in the correct location on the exhaust system for your specific Lexus or Toyota model. The included wiring harness with 4 male blade terminals and a square male connector simplifies electrical connections. Avoid over-tightening the sensor to prevent damage to the threads or sensor housing.

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 16576 is manufactured with high-quality materials including a metal housing and steel finish to withstand harsh operating conditions. Bosch maintains strict quality control standards for this product line to ensure reliable performance. While specific warranty details are not provided, Bosch oxygen sensors typically come with a limited warranty covering defects in materials and workmanship.