Bosch 15525 Oxygen Sensor

Reliable Oxygen Sensor for Nissan and Infiniti Vehicles

The Bosch Engineered Oxygen Sensor 15525 is designed specifically for select Nissan and Infiniti models, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor provides accurate air-fuel mixture readings to help maintain your vehicle’s efficiency and reduce emissions.

• Specific fit for Nissan Altima, Maxima, Murano, Sentra, Quest, X-Trail and Infiniti FX45, M45, Q45 models
• Heated narrow-band oxygen sensor with 4-wire blade terminals for reliable signal transmission
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size for secure installation
• Includes an 8.7-inch wiring harness with a square male connector for direct replacement
• Constructed with durable metal housing finished in steel for long-lasting performance
• Standard replacement grade designed to meet OEM specifications

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 original equipment standards. The 15525 oxygen sensor is part of this line, offering a narrow-band heated sensor designed for specific Nissan and Infiniti applications. This ensures compatibility and reliable operation within the vehicle’s emission system.

Product Details and Specifications

This oxygen sensor features a 4-wire configuration with blade-type terminals and a male connector, facilitating straightforward electrical connections. The sensor’s overall length is 12.4 inches, with a wiring harness length of 8.7 inches and a sealing surface to connector length of 11.2 inches, providing ample reach for installation. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for secure and proper fitment. The sensor is heated to improve response time and accuracy in monitoring exhaust gases.

Common Applications and Issues Addressed

• Helps correct engine running issues caused by faulty oxygen sensors
• Reduces rough idling and engine hesitation related to improper air-fuel mixture
• Assists in resolving increased emissions and failed emissions tests
• Improves fuel economy by providing accurate oxygen level data to the engine control unit
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct 22 mm socket or wrench for sensor removal and installation. Verify the sensor’s wiring harness and connector match the vehicle’s factory setup to avoid electrical issues. Do not overtighten the sensor to prevent thread damage. It is recommended to apply anti-seize compound on the threads if not pre-applied.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15525 is manufactured to meet OEM standards for fit, form, and function. It undergoes rigorous testing to ensure durability and performance under normal operating conditions. While specific warranty details may vary, Bosch typically offers a limited warranty covering defects in materials and workmanship.