Bosch 15896 Oxygen Sensor - Downstream, Upstream or Upstream Right

Reliable Oxygen Sensor for Select GM and Honda Vehicles

The Bosch Engineered Oxygen Sensor 15896 is designed to provide accurate air-fuel mixture readings for improved engine performance and emissions control. This specific fit oxygen sensor is compatible with various Buick, Cadillac, Chevrolet, GMC, Honda, Isuzu, Oldsmobile, and Pontiac models, ensuring precise fitment and reliable operation.

• Specific fit for select Buick, Cadillac, Chevrolet, GMC, Honda, Isuzu, Oldsmobile, and Pontiac vehicles
• Heated narrow-band oxygen sensor for faster response times
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 13.3-inch wiring harness with 4 male blade terminals and a rectangular male connector
• Constructed with durable metal housing and steel finish for longevity
• Standard replacement grade with universal wiring harness included

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise sensor technology tailored to specific vehicle applications. The 15896 model features a narrow-band heated sensor design that supports accurate emissions monitoring and engine management. This product line emphasizes compatibility and quality, ensuring that each sensor meets OEM specifications for fit and function.

Product Details and Specifications

This oxygen sensor features a 17-inch overall length and a 15.9-inch length from the sealing surface to the end of the connector, providing ample reach for installation in designated engine compartments. The sensor includes a 4-wire configuration with blade-type terminals and a rectangular male connector, facilitating secure electrical connections. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation using standard tools. The sensor's metal housing and steel finish contribute to its durability under typical operating conditions.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Improves engine performance by providing reliable sensor data
• Addresses rough idling or poor acceleration caused by faulty sensors

Installation Notes and Tips

Before installation, verify compatibility with your vehicle’s make and model, including Buick Alero, Cadillac Escalade, Chevrolet Silverado 1500, GMC Sierra 2500, or Honda Passport. Use a 22 mm wrench or oxygen sensor socket for removal and installation. Ensure the wiring harness is routed away from hot exhaust components to prevent damage. The sensor’s threaded design requires proper torque to avoid leaks or sensor damage. No mounting bracket is included, so use the existing mounting point on the vehicle.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15896 is manufactured to meet OEM standards for fit, form, and function. It is a standard replacement grade sensor designed for reliable operation in emission control systems. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed quality assurance to support long-term use.