Bosch 18042 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Ford Transit Connect

The Bosch Validated Oxygen Sensor 18042 is designed specifically for the Ford Transit Connect, 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 Transit Connect models
• Heated narrow-band oxygen sensor for faster response
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 41.9-inch wiring harness with 4 wires and blade terminals
• Durable metal housing finished in steel for long-lasting use
• Connector features a rectangular shape with male gender terminals
• Standard replacement grade for reliable performance

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering sensors that meet strict quality and performance standards. These sensors undergo rigorous testing to ensure compatibility and durability for specific vehicle applications. The 18042 oxygen sensor is part of this line, providing a dependable solution tailored for the Ford Transit Connect’s emission control system.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated design, which allows it to reach operating temperature quickly and provide accurate oxygen level readings. The sensor’s metal housing and steel finish contribute to its durability under harsh engine conditions. It includes a 41.9-inch wiring harness with four wires and blade-type terminals, ensuring a secure electrical connection. The connector is rectangular and male, matching the specific fitment requirements of the Ford Transit Connect. The sensor mounts via a threaded 18 mm diameter fitting, tightened with a 22 mm hex wrench.

Common Applications and Issues Addressed

• Helps correct air-fuel mixture for improved fuel economy
• Reduces vehicle emissions to meet regulatory standards
• Prevents engine performance issues caused by faulty oxygen sensors
• Resolves check engine light triggers related to oxygen sensor faults
• Supports smooth engine idling and acceleration

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 18042, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket or wrench for proper tightening. Verify the wiring harness length of 41.9 inches is sufficient for your installation location. Confirm the connector’s rectangular shape and male terminals match the vehicle’s harness to avoid connection issues. Do not overtighten the sensor to prevent thread damage.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet OEM standards, providing reliable performance and durability. The Bosch Validated Oxygen Sensor 18042 is a standard replacement grade part designed to maintain your Ford Transit Connect’s emission system integrity. Warranty coverage details should be confirmed with the supplier or Bosch directly.