Bosch 13425 Oxygen Sensor - Upstream or Upstream Right

Reliable Oxygen Sensor for Dodge and Mitsubishi Vehicles

The Bosch Engineered Oxygen Sensor part number 13425 is designed specifically for select Dodge and Mitsubishi models, including the Diamante, Eclipse, Montero Sport, and Stealth. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Specific fit for Dodge Diamante, Eclipse, Montero Sport, and Mitsubishi Stealth
• Heated narrow-band oxygen sensor with 4-wire design
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish for long-lasting use
• Includes wiring harness with 36.4-inch length and male square connector

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise emissions control components engineered to meet or exceed OEM specifications. This part 13425 is a standard replacement sensor designed to maintain proper air-fuel mixture readings, helping your vehicle’s engine management system operate efficiently and comply with emissions standards.

Product Details and Specifications

This oxygen sensor features a 4-wire heated design, which allows for faster sensor warm-up and improved accuracy in measuring exhaust oxygen levels. The sensor’s threaded mounting type with an 18 mm diameter and 22 mm hex size ensures secure installation. The wiring harness is 36.4 inches long and includes a male square connector with blade terminals, providing a reliable electrical connection. The sensor’s overall length is 39.8 inches, with a sealing surface to connector length of 38.6 inches. Constructed with a metal housing and steel finish, this sensor is built to withstand harsh engine conditions.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for proper fuel mixture
• Helps resolve engine performance issues such as rough idling or hesitation
• Supports emissions system compliance and reduces exhaust pollutants
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by enabling correct air-fuel ratio adjustments

Installation Notes and Tips

When installing the Bosch Engineered Oxygen Sensor 13425, ensure the vehicle is cool to avoid burns. Use the 22 mm hex size for proper sensor removal and installation. Verify the wiring harness length and connector type match your vehicle’s specifications. This sensor is a specific fit for Dodge Diamante, Eclipse, Montero Sport, and Mitsubishi Stealth models, so confirm compatibility before installation. No mounting bracket is included, as the sensor mounts directly via threaded installation.

Quality Assurance and Warranty

Bosch Engineered Oxygen Sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part 13425 is a standard replacement sensor designed to meet OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.