Bosch 15040 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Chevrolet and Suzuki Vehicles

The Bosch Engineered Oxygen Sensor 15040 is designed specifically for select Chevrolet and Suzuki models, including the Esteem, Grand Vitara, Tracker, Vitara, and XL-7. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Specific fit for Chevrolet Esteem, Suzuki Grand Vitara, Tracker, Vitara, and XL-7
• Heated narrow-band oxygen sensor for precise air-fuel mixture readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes 11.1-inch wiring harness with 4 male blade terminals and square male connector
• Durable metal housing finished in steel for long-lasting use
• Standard replacement grade with universal wiring harness included

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 15040 oxygen sensor is part of this line, offering precise sensor technology and durable construction tailored for specific vehicle applications. This ensures compatibility and performance consistency for Chevrolet and Suzuki models requiring narrow-band heated sensors.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated sensor type, which provides accurate monitoring of exhaust gases to optimize engine combustion and reduce emissions. The sensor has a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for installation using standard tools. The wiring harness length is 11.1 inches, with a total overall length of 14.8 inches from sealing surface to connector end. It includes a 4-wire configuration with male blade terminals and a square male connector, ensuring a secure and precise electrical connection. The sensor housing is made of metal with a steel finish, weighing approximately 0.24 pounds, designed for durability under high-temperature conditions.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Helps resolve check engine light codes related to oxygen sensor failure
• Reduces harmful emissions by ensuring proper air-fuel mixture
• Improves engine performance and drivability in Chevrolet Esteem and Suzuki models
• Replaces faulty or worn oxygen sensors in emission control systems

Installation Notes and Tips

Installation requires a 22 mm wrench or oxygen sensor socket to remove the old sensor and install the new one. Ensure the threaded mounting surface is clean before installation to prevent leaks. The 4-wire harness with male blade terminals and square connector should be connected securely to the vehicle’s wiring system. No mounting bracket is included, so use the existing mounting point on the exhaust system. Verify compatibility with your specific Chevrolet or Suzuki model before installation.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15040 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. Bosch products typically come with a limited warranty covering defects in materials and workmanship; please refer to Bosch or your parts provider for specific warranty details.