Denso 234-5049 Air / Fuel Ratio Sensor - Upstream

Overview of the Denso OE Style Air/Fuel Ratio Sensor

The Denso OE Style Air/Fuel Ratio Sensor 234-5049 is designed specifically for Mitsubishi Lancer and Outlander Sport models. This heated sensor ensures accurate air and fuel mixture readings to support optimal engine performance and emissions control.

• Heated sensor type for faster response times
• Specific fit for Mitsubishi Lancer and Outlander Sport
• 26.57-inch wiring harness length for precise installation
• Five-wire configuration with male connector
• Thread diameter of 0.711 inches for secure mounting
• Regular grade type for reliable operation

Detailed Product Description

The Denso 234-5049 air/fuel ratio sensor is engineered to provide accurate feedback to the engine control unit by measuring the oxygen content in the exhaust gases. This heated sensor type improves warm-up time, allowing the engine to adjust fuel delivery more quickly. With a wiring harness length of 26.57 inches and a five-wire setup, it offers compatibility with the specific electrical systems of Mitsubishi Lancer and Outlander Sport vehicles. The male connector and 0.711-inch thread diameter ensure a secure and proper fit during installation.

This sensor is part of Denso's OE Style product line, which focuses on delivering components that meet original equipment specifications. The OE Style line is designed to provide a balance between quality and cost-effectiveness, making it suitable for replacement parts that maintain factory performance standards without unnecessary complexity.

Common Applications and Issues Addressed

• Helps maintain proper air/fuel mixture for efficient combustion
• Reduces emissions by providing accurate sensor data to the ECU
• Prevents engine performance issues related to faulty oxygen sensing
• Addresses check engine light triggers related to air/fuel ratio sensor faults
• Improves fuel economy by ensuring correct sensor operation

Installation Notes and Tips

• Ensure compatibility with Mitsubishi Lancer and Outlander Sport models before installation
• Handle the sensor carefully to avoid damage to the heated element
• Use appropriate tools to avoid damaging the 0.711-inch threaded mounting
• Verify the wiring harness length of 26.57 inches fits your vehicle’s routing requirements
• Confirm the male connector matches the vehicle’s wiring harness for proper connection

Quality Assurance and Warranty

Denso OE Style sensors are manufactured to meet original equipment standards, ensuring reliable performance and durability. The 234-5049 air/fuel ratio sensor undergoes rigorous quality control to maintain consistent operation. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.