Bosch 15802 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Ford Focus Vehicles

The Bosch Validated Oxygen Sensor 15802 is designed specifically for Ford Focus models, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor provides accurate air-fuel mixture readings to help maintain your vehicle’s efficiency and reduce harmful emissions.

• Specific fit for Ford Focus vehicles
• Heated narrow-band oxygen sensor for fast response
• Threaded mounting type with 18 mm thread diameter
• Includes 13.5-inch wiring harness with 4 wires and blade terminals
• Durable steel housing with 22 mm hex size for installation
• Connector features a rectangular shape with male terminals
• Standard replacement grade for reliable performance

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor line offers sensors that meet strict quality and performance standards, validated for specific vehicle applications. The 15802 sensor is engineered to provide accurate oxygen level readings and compatibility with Ford Focus models, supporting emission control systems with reliable data for engine management.

Product Details and Specifications

This Bosch oxygen sensor features a heated narrow-band design, which allows it to reach operating temperature quickly for accurate air-fuel ratio monitoring. The sensor has a threaded mounting type with an 18 mm thread diameter and an overall length of 16.9 inches, including a 13.5-inch wiring harness. The wiring harness includes four wires with blade terminals and a rectangular male connector, ensuring a secure and precise connection. The sensor housing is made of steel, providing durability and resistance to harsh engine conditions. The 22 mm hex size facilitates straightforward installation using standard tools.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Ford Focus vehicles
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level data to the engine control unit
• Prevents check engine light triggers caused by sensor malfunctions
• Supports fuel efficiency by maintaining proper combustion balance

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 15802, ensure the engine is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector type match your Ford Focus model’s specifications. Avoid over-tightening the threaded sensor to prevent damage. Since this sensor is a specific fit, confirm compatibility with your vehicle’s year and engine type before installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet OEM standards for fit, form, and function. The Bosch Validated Oxygen Sensor 15802 undergoes rigorous testing to ensure reliable performance and durability. While specific warranty details may vary, Bosch typically offers a limited warranty covering defects in materials and workmanship for their emission control sensors.