Bosch 16123 Oxygen Sensor - Downstream, Downstream Left or Upstream

Reliable Oxygen Sensor for Chrysler and Mercedes-Benz Vehicles

The Bosch Actual OE Oxygen Sensor 16123 is designed specifically for select Chrysler and Mercedes-Benz models, including the Crossfire and ML series. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Specific fit for Chrysler Crossfire and Mercedes-Benz ML320, ML350, ML430, ML500, SLK230
• 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 7.3-inch wiring harness with 4-pin female connectors
• Durable metal housing finished in steel for long-lasting use
• Standard replacement grade with a total length of 10.6 inches

About the Bosch Actual OE Oxygen Sensor Line

The Bosch Actual OE Oxygen Sensor product line focuses on delivering direct-fit replacement sensors that meet original equipment specifications. This ensures compatibility and reliable performance for emission control systems in specific vehicle models. The 16123 sensor maintains the quality and design standards expected from Bosch, providing a dependable solution for maintaining factory-level emissions compliance.

Product Details and Specifications

This oxygen sensor features a narrow-band heated design, which allows it to quickly reach operating temperature and provide accurate oxygen level readings to the engine control unit. The sensor’s 4-wire configuration includes a 4-pin female terminal connector with a round shape, facilitating straightforward installation and secure electrical connections. The threaded mounting type with an 18 mm diameter and 22 mm hex size ensures a precise fit in the exhaust system. The sensor’s metal housing and steel finish contribute to its durability under high-temperature conditions.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio monitoring in Chrysler Crossfire and Mercedes-Benz ML and SLK models
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing accurate emissions data
• Helps reduce harmful exhaust emissions for compliance with environmental standards
• Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the 22 mm hex size to remove the old sensor carefully. Verify the wiring harness length of 7.3 inches is sufficient for your vehicle’s routing. Confirm the 4-pin female connector matches the vehicle’s harness to avoid electrical issues. Thread the sensor securely without over-tightening to prevent damage to 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 16123 is a standard replacement part designed to meet original equipment specifications. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects to provide confidence in the product’s longevity and function.