Denso 234-4317 Oxygen Sensor - Upstream

Overview of Denso OE Style Oxygen Sensor 234-4317

The Denso OE Style Oxygen Sensor 234-4317 is designed specifically for Mitsubishi Eclipse and Galant models. This heated oxygen sensor ensures accurate air-fuel mixture readings to optimize engine performance and emissions control.

• Heated sensor type for faster response times
• Specific fit for Mitsubishi Eclipse and Galant
• Threaded mounting type with 0.708 inch thread diameter
• Four-wire design with male connector
• Wiring harness length of 20.87 inches for precise installation

Detailed Product Features and Specifications

This oxygen sensor from Denso's OE Style line is engineered to meet original equipment specifications, providing reliable performance and durability. The heated sensor element allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 20.87-inch wiring harness length offers flexibility during installation, while the four-wire configuration supports both the sensor signal and heater circuit. The male connector and threaded mounting type with a 0.708-inch diameter ensure a secure and exact fit for the Mitsubishi Eclipse and Galant models.

About the Denso OE Style Product Line

The OE Style product line by Denso focuses on delivering parts that match the original equipment in form, fit, and function. This oxygen sensor is part of that line, designed to provide a direct replacement for factory-installed sensors in Mitsubishi vehicles. The OE Style line emphasizes compatibility and quality, making it suitable for emission control system repairs requiring precise sensor performance.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture
• Helps resolve engine performance problems such as rough idling or hesitation
• Reduces increased emissions caused by faulty sensors
• Prevents check engine light triggers related to oxygen sensor faults
• Supports efficient fuel consumption by maintaining sensor accuracy

Installation Notes and Tips

When installing the Denso 234-4317 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 0.708-inch threaded mounting to prevent damage. Verify the four-wire connector matches the vehicle harness and securely connects the male plug. Proper routing of the 20.87-inch wiring harness is important to avoid contact with hot or moving parts. Follow vehicle-specific service manual instructions for sensor replacement procedures.

Quality Assurance and Warranty

Denso oxygen sensors undergo rigorous testing to meet OEM standards for durability and performance. The OE Style 234-4317 sensor is manufactured to provide consistent operation within emission control systems. Warranty coverage details should be confirmed with the distributor or installer, as it may vary by region or purchase source.