Bosch 15150 Oxygen Sensor - Downstream, Downstream Left or Upstream

Reliable Oxygen Sensor for Select GM and Related Vehicles

The Bosch Engineered Oxygen Sensor 15150 is designed to provide accurate air-fuel mixture readings for improved engine performance and emissions control. This specific fit oxygen sensor is compatible with a range of Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, and Saab models, ensuring precise operation in your vehicle's emission system.

• Specific fit for select GM and related makes and models
• Heated narrow-band oxygen sensor for faster response
• Threaded mounting type with 18 mm thread diameter
• 14-inch wiring harness length with included harness
• 4-pin female terminal with square male connector
• Standard replacement grade with durable metal housing
• Overall length of 17.7 inches for proper installation
• Compatible with models like Chevrolet Silverado 1500, Cadillac Escalade, GMC Sierra 1500, and more

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering reliable emission control components that meet OEM specifications. The 15150 oxygen sensor is part of this line, offering a heated narrow-band sensor designed for specific vehicle applications. This ensures accurate oxygen level detection and helps maintain optimal engine efficiency and emissions compliance.

Product Details and Specifications

This Bosch oxygen sensor features a heated narrow-band design, which allows for quicker sensor warm-up and more accurate air-fuel ratio readings. The sensor includes a 14-inch wiring harness with a 4-wire configuration, featuring a 4-pin female terminal and a square-shaped male connector for secure electrical connections. The sensor mounts via a threaded 18 mm diameter fitting and has an overall length of 17.7 inches, including a 16.5-inch length from the sealing surface to the end of the connector. Constructed with a metal housing and finished in steel, this sensor is built for durability and reliable performance in emission control systems.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in compatible Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, and Saab vehicles
• Helps resolve engine performance issues related to incorrect air-fuel mixture readings
• Assists in reducing emissions and maintaining compliance with environmental standards
• Addresses check engine light triggers caused by oxygen sensor faults
• Improves fuel efficiency by providing accurate sensor data to the engine control unit

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the Bosch 15150 sensor into the existing mounting point. The 22 mm hex size allows for standard oxygen sensor socket use. Ensure the wiring harness is properly connected to the vehicle’s harness using the included 4-pin connector. No mounting bracket is included, so use the existing mounting hardware. Verify compatibility with your specific vehicle model before installation.

Quality Assurance and Warranty

Bosch Engineered Oxygen Sensors are manufactured to meet OEM standards for fit, form, and function. This part is a standard replacement grade sensor designed for reliable operation. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components. Refer to Bosch or your parts provider for exact warranty terms.