Bosch 13640 Oxygen Sensor - Upstream Left

Reliable Oxygen Sensor for Mercedes-Benz SL500

The Bosch Actual OE Oxygen Sensor 13640 is designed specifically for the Mercedes-Benz SL500, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor provides accurate air-fuel mixture readings to maintain efficient combustion and reduce harmful emissions.

• Compatible with Mercedes-Benz SL500 models
• Part number 13640 for exact fit and function
• Heated narrow-band oxygen sensor for fast response
• Threaded mounting type with 18 mm thread diameter
• 27.2-inch wiring harness length with 4-pin female connector
• Durable metal housing with steel finish
• Standard replacement grade for reliable performance

About the Bosch Actual OE Oxygen Sensor Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This ensures compatibility and performance consistency for emission control systems. The 13640 sensor maintains the integrity of your vehicle’s exhaust system by delivering accurate oxygen level readings, essential for the Mercedes-Benz SL500’s engine management.

Product Details and Specifications

This oxygen sensor features a 4-wire configuration with a 4-pin female connector in a round shape, facilitating straightforward installation and secure electrical connections. The sensor is heated to enable quicker activation and more accurate readings during cold starts. Its threaded mounting type with an 18 mm diameter and 22 mm hex size allows for proper sealing and easy removal or replacement. The overall length of 30.9 inches and wiring harness length of 27.2 inches provide sufficient reach for installation in the SL500’s exhaust system. Constructed with a metal housing and steel finish, this sensor is built to withstand harsh operating conditions.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio monitoring for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce vehicle emissions to meet regulatory standards
• Prevents engine performance issues caused by faulty sensor readings
• Supports proper catalytic converter function by maintaining correct exhaust gas composition

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the connector type matches the vehicle’s wiring harness to prevent electrical issues. Avoid damaging the sensor’s wiring harness during installation. No mounting bracket is included, so use the existing mounting point on the exhaust system. Follow torque specifications to prevent sensor damage or exhaust leaks.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The Actual OE Oxygen Sensor 13640 is a standard replacement part designed to match OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects to provide confidence in product longevity and function.