Bosch 15265 Oxygen Sensor - Downstream or Upstream

Overview of Bosch Engineered Oxygen Sensor 15265

The Bosch Engineered Oxygen Sensor 15265 is designed specifically for Mazda 626 and Protege models, providing precise emission control and optimal engine performance. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings for efficient combustion.

• Specific fit for Mazda 626 and Protege vehicles
• Heated narrow-band oxygen sensor for reliable performance
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 14.8-inch wiring harness with 4-pin rectangular male connector
• Durable metal housing finished in steel for long-lasting use
• Standard replacement grade with 0.22 lb weight

Detailed Product Features and Specifications

This Bosch Engineered Oxygen Sensor 15265 features a narrow-band sensor type with heating capability to provide quick sensor response and accurate oxygen level detection. The sensor is threaded with an 18 mm diameter and 22 mm hex size for secure installation. It comes with a 14.8-inch wiring harness that includes four wires and a 4-pin rectangular male connector, designed for a specific fit on Mazda 626 and Protege models. The sensor housing is made of metal with a steel finish, ensuring durability under high-temperature conditions. The overall length of the sensor is 18.1 inches, with a sealing surface to connector length of 16.9 inches, allowing for proper fitment and connection within the vehicle's emission system.

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise emission control components engineered to meet or exceed OEM specifications. This product line emphasizes compatibility and reliability, providing sensors that integrate seamlessly with specific vehicle models like the Mazda 626 and Protege. The 15265 part number is part of this line, ensuring a standard replacement grade sensor with heating elements for improved sensor response and emission accuracy.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient engine operation
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers caused by sensor failure
• Improves fuel economy by ensuring optimal combustion

Installation Notes and Tips

Installation requires a threaded mounting with an 18 mm thread diameter and 22 mm hex size wrench. Ensure the wiring harness is properly connected to the vehicle’s 4-pin female connector to avoid electrical issues. The sensor is designed for a specific fit on Mazda 626 and Protege models, so verify compatibility before installation. No mounting bracket is included, so use the existing mounting point on the vehicle. Handle the sensor carefully to avoid damage to the wiring harness and connector.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15265 is manufactured to meet OEM standards for durability and performance. It features a heated sensor element for faster response times and consistent operation. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship. Refer to Bosch or the vehicle manufacturer for exact warranty terms.