Bosch 15700 Oxygen Sensor - Downstream or Upstream

Reliable Oxygen Sensor for Buick, Chevrolet, GMC, and More

The Bosch Engineered Oxygen Sensor 15700 is designed to provide accurate air-fuel mixture readings for specific vehicle applications. This narrow-band heated oxygen sensor ensures optimal engine performance and emission control for select Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models.

• Wiring harness length: 9.5 inches
• Blade terminal type with 3 terminals
• Specific fit for select GM vehicles
• Heated narrow-band oxygen sensor for precise readings
• Threaded mounting type with 18 mm thread diameter
• Oblong male connector with 3 wire quantity
• Durable metal housing with steel finish
• Overall length: 13.2 inches
• Includes wiring harness
• Hex size: 22 mm for installation

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering reliable emission control components engineered to meet or exceed OEM specifications. The 15700 oxygen sensor is part of this line, offering a standard replacement grade sensor designed for specific vehicle fitments. Its heated narrow-band design helps maintain accurate sensor response under various operating conditions, supporting efficient engine management and emissions compliance.

Detailed Product Description

This Bosch oxygen sensor 15700 features a heated narrow-band sensor type that provides precise air-fuel ratio data to the engine control unit. The sensor includes a 9.5-inch wiring harness with an oblong male connector and blade terminals, ensuring secure electrical connections. Its threaded mounting type with an 18 mm thread diameter allows for straightforward installation in compatible exhaust systems. The metal housing with a steel finish offers durability and resistance to harsh automotive environments. With an overall length of 13.2 inches and a 22 mm hex size, this sensor is designed for ease of handling and installation.

Compatible Vehicles and Common Applications

• Buick Park Avenue, Regal
• Chevrolet Astro, C1500, C1500 Suburban, C2500, C2500 Suburban, Lumina APV, Safari, Silhouette, Tahoe, Trans Sport, Yukon
• GMC G10, G20, G30, K1500, K1500 Suburban, K2500, K2500 Suburban
• Oldsmobile models
• Pontiac models

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor failure

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use a 22 mm oxygen sensor socket or wrench for removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s specifications. Do not overtighten the sensor; torque to manufacturer specifications. Inspect the mounting threads and clean the exhaust port before installing the new sensor.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15700 is manufactured to meet OEM standards for fit, form, and function. It includes a heated element for faster sensor response and improved durability. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to ensure reliable performance.