Bosch 15035 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Volvo S40, S70, V50, and V70

The Bosch Validated Oxygen Sensor 15035 is designed specifically for select Volvo 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 harmful emissions.

• Specific fit for Volvo S40, S70, V50, and V70 models
• Heated narrow-band oxygen sensor for faster response times
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 23.4-inch wiring harness with 4 male blade terminals and a rectangular male connector
• Durable metal housing finished in steel for long-lasting performance
• Standard replacement grade with universal wiring harness included

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering reliable and precise emission control components that meet or exceed OEM specifications. The 15035 oxygen sensor is part of this line, offering a direct fit and compatibility with specific Volvo models. This ensures consistent sensor performance and helps maintain factory-level emissions standards.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated design, which allows it to reach operating temperature quickly for accurate air-fuel ratio monitoring. 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 23.4 inches, with four wires and blade-type terminals housed in a rectangular male connector. The sensor’s metal housing finished in steel provides durability under harsh engine conditions. Overall length measures 27.2 inches, with a 26-inch length from sealing surface to connector end.

Common Applications and Issues Addressed

• Helps resolve poor fuel economy caused by incorrect air-fuel mixture readings
• Reduces engine misfires and rough idling related to faulty oxygen sensors
• Assists in passing emissions tests by maintaining proper exhaust gas monitoring
• Prevents check engine light triggers related to oxygen sensor faults
• Supports optimal catalytic converter function by providing accurate sensor data

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 15035 on Volvo S40, S70, V50, or V70 models, ensure the engine is cool to avoid burns. Use a 22 mm oxygen sensor socket or wrench for removal and installation. Verify the wiring harness connections match the original sensor’s terminals and connector shape. No mounting bracket is included, so use the existing mounting point. Confirm the sensor is threaded securely without over-tightening to prevent damage.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 15035 part is a standard replacement grade sensor designed to meet OEM specifications for Volvo vehicles. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.