Bosch 13577 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Porsche and Saab Vehicles

The Bosch Actual OE Oxygen Sensor 13577 is designed to provide accurate air-fuel mixture readings for select Porsche and Saab models. This narrow-band heated oxygen sensor ensures optimal engine performance and emission control by delivering precise data to the vehicle's engine management system.

• Specific fit for Porsche 911, 9000 and Saab 9-3, 9-5, 900 models
• Heated narrow-band oxygen sensor for improved response time
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 30.6-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 emission control

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, ensuring compatibility and performance consistent with factory-installed parts. This product line focuses on delivering precise sensor readings and durability, making it suitable for emission control systems in specific vehicle applications such as Porsche and Saab models.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated design, which allows for faster sensor warm-up and more 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 30.6 inches, with a total overall length of 34.3 inches, providing sufficient reach for proper connection. The sensor includes four wires and four blade terminals, housed in a durable metal casing finished in steel. The connector is oblong in shape with a male gender, matching the specific fitment requirements of the supported Porsche and Saab models.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces engine misfires and rough idling caused by faulty oxygen sensors
• Supports emission control compliance by accurately monitoring exhaust gases
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel economy by providing precise sensor data to the engine control unit

Installation Notes and Tips

Installation requires a 22 mm oxygen sensor socket or wrench. Ensure the sensor threads are clean and apply anti-seize compound if recommended by the vehicle manufacturer. The sensor is a specific fit for Porsche 911, 9000 and Saab 9-3, 9-5, 900 models, so verify compatibility before installation. The wiring harness and connector are included, simplifying the replacement process. Avoid damaging the wiring during installation and confirm secure connections to prevent sensor errors.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and are designed for durability and reliable performance. This part is a standard replacement grade sensor, engineered to match original equipment specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components. Refer to Bosch or vehicle manufacturer documentation for exact warranty terms.