Bosch 15026 Oxygen Sensor - Downstream or Upstream

Reliable Oxygen Sensor for Volkswagen Vehicles

The Bosch Actual OE Oxygen Sensor 15026 is designed specifically for Volkswagen models including the Cabrio, Golf, Jetta, and Passat. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Specific fit for Volkswagen Cabrio, Golf, Jetta, and Passat
• Heated narrow-band oxygen sensor for improved response time
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 40-inch wiring harness with 4 male blade terminals and oblong male connector
• Durable metal housing finished in steel for long-lasting use
• Standard replacement grade for reliable performance

About the Bosch Actual OE Oxygen Sensor Line

The Actual OE Oxygen Sensor line by Bosch is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This ensures compatibility and performance consistency for Volkswagen vehicles. The 15026 part number belongs to this line, offering a standard replacement sensor with a heated element to maintain accurate readings under various operating conditions.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band sensor type with heating capability to reduce warm-up time and improve emissions control. The sensor is threaded with an 18 mm diameter and 22 mm hex size for secure installation. It comes with a 40-inch wiring harness that includes four wires and blade terminals, connected via an oblong male connector. The overall length from sealing surface to connector end is approximately 42.5 inches, providing sufficient reach for installation in Volkswagen Cabrio, Golf, Jetta, and Passat models. The sensor housing is made of metal with a steel finish, ensuring durability in harsh engine environments.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Helps resolve check engine light codes related to oxygen sensor failure
• Reduces emissions by ensuring proper catalytic converter function
• Improves engine performance and drivability by providing precise sensor data
• Replaces faulty or worn oxygen sensors in Volkswagen Cabrio, Golf, Jetta, and Passat

Installation Notes and Tips

Installation requires a threaded mounting point with an 18 mm thread size. Use a 22 mm oxygen sensor socket or wrench for removal and installation. Ensure the wiring harness is routed away from hot exhaust components to prevent damage. The sensor includes a heated element, so proper electrical connections must be verified for optimal operation. No mounting bracket is included, so use the existing mounting location on the vehicle.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and are designed as standard replacement parts. The Actual OE Oxygen Sensor 15026 undergoes rigorous testing to ensure reliable performance and durability. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship for a defined period, providing confidence in the sensor's longevity and function.