Bosch 15583 Oxygen Sensor - Downstream, Downstream Rear or Downstream Right

Reliable Oxygen Sensor for Mitsubishi Eclipse, Galant, and Montero

The Bosch Engineered Oxygen Sensor 15583 is designed to provide accurate air-fuel mixture readings for select Mitsubishi vehicles. This narrow-band heated oxygen sensor ensures proper engine performance and emission control for the Eclipse, Galant, and Montero models.

• Specific fit for Mitsubishi Eclipse, Galant, and Montero
• Heated narrow-band oxygen sensor with 4-wire design
• 24.4-inch wiring harness length with included harness
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish and male blade terminals
• Connector features a square shape with 4 male terminals
• Overall length of 27.8 inches for precise installation

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering reliable emission control components engineered to meet or exceed OEM specifications. This product line emphasizes precise sensor performance and durability, making it suitable for specific vehicle applications such as the Mitsubishi Eclipse, Galant, and Montero. The 15583 oxygen sensor is part of this line, offering a standard replacement grade with a heated narrow-band sensor design to maintain optimal engine efficiency and emissions compliance.

Product Details and Specifications

This Bosch oxygen sensor features a 4-wire heated design that improves sensor response time and accuracy. The sensor’s wiring harness measures 24.4 inches, with an overall length of 27.8 inches from the sealing surface to the end of the connector, allowing for proper routing and connection. The sensor mounts via a threaded 18 mm diameter fitting and uses a 22 mm hex size for installation. The connector is male with a square shape and includes 4 male blade terminals, ensuring a secure electrical connection. Constructed with a metal housing and steel finish, this sensor is built to withstand harsh engine environments.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for Mitsubishi Eclipse, Galant, and Montero
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions by ensuring proper fuel mixture control
• Prevents check engine light triggers caused by sensor failure
• Improves fuel economy by maintaining optimal combustion efficiency

Installation Notes and Tips

When installing the Bosch Engineered Oxygen Sensor 15583, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor’s wiring harness routing matches the original to prevent damage or disconnection. The threaded mounting requires proper torque to avoid leaks or sensor damage. No mounting bracket is included, so use the existing vehicle hardware. Confirm connector compatibility with the vehicle’s male blade terminals before installation.

Quality Assurance and Warranty

This Bosch oxygen sensor is manufactured to meet OEM standards for fit, form, and function. It is a standard replacement grade part designed for durability and reliable operation in emission control systems. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship. Refer to Bosch or the vehicle service provider for exact warranty terms.