Bosch 13926 Oxygen Sensor - Upstream

Overview of Bosch Actual OE Oxygen Sensor 13926

The Bosch Actual OE Oxygen Sensor 13926 is designed specifically for select Mercedes-Benz models, including the 380SEC, 420SEL, 560SEC, and 560SEL. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

• Specific fit for Mercedes-Benz 380SEC, 420SEL, 560SEC, and 560SEL
• Heated narrow-band oxygen sensor for precise air-fuel mixture readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 35.3-inch wiring harness with 3 wires and blade pin terminals
• Durable metal housing finished in steel for long-lasting use
• Connector features male and female terminals with rectangle/round shape
• Standard replacement grade ensuring reliable performance

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This product line focuses on delivering precise sensor readings and compatibility with specific vehicle models, such as the Mercedes-Benz 380SEC, 420SEL, 560SEC, and 560SEL. The 13926 sensor maintains the integrity of the vehicle’s emission control system by using high-quality materials and exact fitment standards.

Detailed Product Description

The Bosch 13926 oxygen sensor is a narrow-band heated sensor designed to monitor the oxygen content in the exhaust gases of compatible Mercedes-Benz vehicles. It features a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for secure installation. The sensor includes a 35.3-inch wiring harness with three wires and blade pin terminals, ensuring proper electrical connections. The connector is designed with both male and female terminals in a rectangle/round shape, facilitating a precise fit. Constructed with a metal housing finished in steel, this sensor offers durability and resistance to harsh engine conditions. The heated element allows the sensor to reach operating temperature quickly, improving emission control efficiency.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved engine performance
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Addresses rough idling or poor fuel economy caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

• Ensure compatibility with Mercedes-Benz 380SEC, 420SEL, 560SEC, or 560SEL before installation
• Use a 22 mm oxygen sensor socket for removal and installation
• Do not overtighten; torque to manufacturer specifications to avoid damage
• Inspect wiring harness and connectors for damage before installation
• Allow the engine to cool before replacing the sensor to prevent burns

Quality Assurance and Warranty

The Bosch Actual OE Oxygen Sensor 13926 is manufactured to meet strict quality standards, ensuring reliable performance and durability. Bosch provides a standard warranty on this sensor, covering defects in materials and workmanship. This oxygen sensor is designed to maintain the emission control system’s integrity and comply with vehicle-specific requirements for Mercedes-Benz 380SEC, 420SEL, 560SEC, and 560SEL models.