Bosch 13508 Oxygen Sensor - Upstream

Overview of Bosch Actual OE Oxygen Sensor 13508

The Bosch Actual OE Oxygen Sensor 13508 is designed specifically for Audi 90 Quattro, 100, and 100 Quattro models. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

• Specific fit for Audi 90 Quattro, 100, and 100 Quattro
• Heated narrow-band oxygen sensor for precise readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes wiring harness with 3 wires and male/female connectors
• Durable metal housing with steel finish for long-lasting use

Detailed Features and Specifications

The Bosch 13508 oxygen sensor features a 23.3-inch wiring harness and an overall length of 27 inches, providing ample reach for installation in compatible Audi models. It uses a threaded terminal type and mounting, with a thread size of 18 mm, ensuring secure attachment. The sensor is a narrow-band heated type, which improves warm-up time and sensor responsiveness. The connector has a round shape with male and female terminals, including four terminals in total, and the sensor itself weighs approximately 0.29 pounds. The metal housing and steel finish contribute to its durability under harsh engine conditions.

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing reliable replacement parts for emission control systems. This product line focuses on delivering precise sensor performance and compatibility with specific vehicle models, such as the Audi 90 Quattro and 100 series. The 13508 sensor maintains the integrity of the vehicle’s emission system by ensuring accurate oxygen level detection and efficient engine management.

Common Applications and Problem Solving

• Restores accurate air-fuel mixture readings for Audi 90 Quattro and 100 models
• Resolves check engine light issues related to oxygen sensor faults
• Improves fuel efficiency by providing correct exhaust gas data
• Helps reduce harmful emissions by maintaining proper sensor function
• Prevents engine performance problems caused by faulty oxygen sensors

Installation Notes and Tips

When installing the Bosch 13508 oxygen sensor, ensure the threaded mounting is securely tightened using a 22 mm hex socket. The wiring harness length of 23.3 inches allows for flexible routing, but avoid sharp bends or contact with hot engine components. Confirm connector compatibility with the vehicle’s wiring harness to ensure proper electrical connection. No mounting bracket is included, so use the existing mounting point on the exhaust system.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Actual OE Oxygen Sensor 13508 is a standard replacement part designed to match original equipment specifications. While specific warranty details are not provided here, Bosch typically offers coverage against manufacturing defects, supporting long-term use in Audi 90 Quattro and 100 series vehicles.