Bosch 15899 Oxygen Sensor - Downstream, Upstream or Upstream Right

Reliable Oxygen Sensor for Buick, Chevrolet, GMC, and Pontiac Vehicles

The Bosch Engineered Oxygen Sensor 15899 is designed to provide accurate air-fuel mixture readings for specific Buick, Chevrolet, GMC, and Pontiac 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.

• Specific fit for Buick Allure, Chevrolet Malibu, Monte Carlo, Impala, GMC Safari, Pontiac Grand Prix, and other models
• Heated narrow-band oxygen sensor for faster response times
• 12.7-inch wiring harness length with 4-wire configuration
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish and male blade terminals
• Includes wiring harness and features a square male connector

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise emission control components tailored to specific vehicle applications. The 15899 oxygen sensor is part of this line, engineered to meet OEM specifications for fit, function, and durability. This ensures compatibility with select Buick, Chevrolet, GMC, and Pontiac models, maintaining emission standards and engine efficiency.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated sensor type, which allows for quicker sensor warm-up and accurate air-fuel ratio monitoring. The sensor includes a 12.7-inch wiring harness with four wires and blade-type male terminals, ensuring secure electrical connections. The sensor's threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation. Constructed with a metal housing and steel finish, this sensor is built to withstand harsh engine environments. The overall length from sealing surface to connector end is 15.2 inches, providing ample reach for proper placement.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for improved fuel efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper air-fuel mixture control
• Prevents rough idling and engine performance issues caused by faulty sensors
• Supports compliance with emission regulations for Buick, Chevrolet, GMC, and Pontiac vehicles

Installation Notes and Tips

When installing the Bosch Engineered Oxygen Sensor 15899, ensure the vehicle is compatible with this specific fitment. Use a 22 mm oxygen sensor socket for removal and installation. The threaded mounting requires careful tightening to the manufacturer’s torque specifications to avoid damage. The included wiring harness and connector are designed for a direct fit, so verify connector orientation and secure connections. No mounting bracket is included, so use the existing mounting point on the vehicle.

Quality Assurance and Warranty

Bosch Engineered Oxygen Sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This oxygen sensor is a standard replacement part designed to meet OEM specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components. Refer to Bosch or your parts supplier for exact warranty terms.