Bosch 15737 Oxygen Sensor - Upstream

Overview of Bosch Universal Oxygen Sensor 15737

The Bosch Universal Oxygen Sensor 15737 is designed to provide reliable emission control for select Mercedes-Benz and Volvo vehicles. This narrow-band heated oxygen sensor offers a universal fit, making it a practical replacement option for various models including the Mercedes-Benz 190E, 300CE, and Volvo 740 series.

• Universal fit for multiple Mercedes-Benz and Volvo models
• Heated narrow-band oxygen sensor for accurate emissions monitoring
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 23.3-inch wiring harness with 3 wires and a rectangular male-female connector
• Durable metal housing finished in steel for long-lasting performance
• Standard replacement grade with an overall length of 27 inches

Detailed Product Features and Specifications

The Bosch Universal Oxygen Sensor 15737 belongs to the Universal Oxygen Sensor product line, which is engineered to offer broad compatibility across various vehicle makes and models. This sensor features a heated narrow-band design, which helps maintain optimal engine performance and emissions control by accurately measuring oxygen levels in the exhaust gases. The sensor’s threaded mounting type with an 18 mm thread diameter and 22 mm hex size ensures secure installation in compatible exhaust systems.

The sensor includes a 23.3-inch wiring harness with three wires and a rectangular connector that supports both male and female terminals, facilitating straightforward electrical connections. The metal housing finished in steel provides durability under high-temperature conditions commonly found in exhaust environments. With an overall length of 27 inches and a wiring harness length of 23.3 inches, this sensor is designed to fit a range of applications without modification.

Compatible Vehicles and Applications

This oxygen sensor is compatible with several Mercedes-Benz and Volvo models, including:

• Mercedes-Benz 190E, 300CE, 300E, 300SE, 300SEL, 300SL, 300TE
• Volvo 240, 740, 760, 780, 940, 960

Common Issues Addressed by Bosch Oxygen Sensor 15737

• Engine performance problems due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy caused by inefficient combustion
• Rough idling or engine hesitation during acceleration

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns
• Use a 22 mm oxygen sensor socket for proper removal and installation
• Verify the threaded mounting type and thread size (18 mm) match the vehicle’s exhaust port
• Check wiring harness connections for secure fit with the rectangular male-female connector
• Do not overtighten the sensor to prevent damage to threads or sensor housing

Quality Assurance and Warranty

The Bosch Universal Oxygen Sensor 15737 is manufactured to meet standard replacement grade specifications, ensuring reliable performance and durability. Bosch is a recognized brand in automotive emission control components, and this sensor is built with a metal housing and heated element to withstand harsh operating conditions. While specific warranty details are not provided, Bosch products typically come with manufacturer-backed quality assurance to support long-term use in compatible Mercedes-Benz and Volvo vehicles.