Bosch 18145 Oxygen Sensor - Downstream or Upstream

Reliable Oxygen Sensor for Dodge, Fiat, and Jeep Models

The Bosch Validated Oxygen Sensor 18145 is designed specifically for select Dodge, Fiat, and Jeep vehicles, including the 500L, 500X, Dart, and Renegade. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Specific fit for Dodge, Fiat, and Jeep models: 500L, 500X, Dart, Renegade
• 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 10.2-inch wiring harness with 4 male blade terminals and oblong male connector
• Constructed with durable metal housing and steel finish
• Standard replacement grade with a total length of 13.6 inches
• Wiring harness included for straightforward installation

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering reliable and precise emission control components that meet OEM specifications. The 18145 sensor is part of this line, offering a standard replacement solution with a heated narrow-band sensor type to maintain proper engine management and emissions compliance for specific Dodge, Fiat, and Jeep vehicles.

Product Details and Specifications

This Bosch oxygen sensor features a threaded mounting type with an 18 mm thread diameter and 22 mm hex size, allowing for secure installation. The sensor is heated to provide faster response times and accurate readings under various operating conditions. It includes a 10.2-inch wiring harness with four wires and blade terminals, connected via an oblong male connector. The sensor’s metal housing and steel finish ensure durability and resistance to harsh engine environments. With an overall length of 13.6 inches and a wire length of 295 inches, this sensor is designed for specific fitment and reliable performance.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve engine performance issues such as rough idling or hesitation
• Reduces emissions by ensuring correct fuel combustion
• Prevents check engine light triggers related to oxygen sensor faults
• Supports compliance with emission regulations for Dodge 500L, Fiat 500X, Jeep Dart, and Renegade

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Bosch 18145 sensor into place using a 22 mm wrench. Ensure the wiring harness is properly connected to the vehicle’s harness using the included oblong male connector with four blade terminals. No additional mounting brackets or accessories are included. Verify sensor orientation and secure wiring to avoid contact with hot or moving engine parts.

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 18145 is manufactured to meet OEM standards for fit, form, and function. It is a standard replacement grade sensor designed for durability and consistent performance. While specific warranty details are not provided, Bosch products typically come with manufacturer-backed quality assurance to support reliable operation in emission control systems.