Denso 234-5147 Air / Fuel Ratio Sensor - Upstream

Reliable Air/Fuel Ratio Sensor for Hyundai and Kia Vehicles

The Denso OE Style Air/Fuel Ratio Sensor 234-5147 is designed specifically for select Hyundai and Kia models, including the Optima, Sonata, Santa Fe Sport, and Sportage. This heated sensor ensures accurate air-fuel mixture readings to help maintain optimal engine performance and emissions control.

• Heated sensor type for faster response times
• Specific fit for Hyundai Optima, Sonata, Santa Fe Sport, and Kia Sportage
• 17.60-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 standard OEM replacement

About the Denso OE Style Product Line

The OE Style line from Denso offers direct-fit replacement parts engineered to meet original equipment specifications. This ensures compatibility and reliable performance for emission control components like the 234-5147 Air/Fuel Ratio Sensor. Designed to match factory standards, the OE Style parts provide a balance of quality and value for Hyundai and Kia vehicles.

Detailed Product Description

The Denso 234-5147 Air/Fuel Ratio Sensor is a heated sensor that provides accurate feedback to the engine control unit by measuring the oxygen content in the exhaust gases. Its 17.60-inch wiring harness and five-wire setup with a male connector allow for straightforward installation and secure electrical connections. The sensor’s 0.711-inch thread diameter ensures a proper fit in the exhaust system. This specific fit sensor is compatible with Hyundai Optima, Sonata, Santa Fe Sport, and Kia Sportage models, making it a reliable choice for maintaining emission standards and engine efficiency.

Common Issues Addressed by This Sensor

• Incorrect air/fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor failure

Installation Notes and Tips

When installing the Denso 234-5147 Air/Fuel Ratio Sensor, ensure the vehicle is compatible with this specific fit sensor. Use proper tools to avoid damaging the 0.711-inch threaded sensor body. Verify the wiring harness length of 17.60 inches is sufficient for your vehicle’s routing. Confirm the five-wire male connector matches the factory harness to ensure proper electrical connection. It is recommended to follow manufacturer torque specifications during installation.

Quality Assurance and Warranty

Denso OE Style sensors are manufactured to meet original equipment standards, providing reliable performance and durability. While specific warranty details may vary, Denso parts typically come with a limited warranty covering defects in materials and workmanship. Using a sensor like the 234-5147 helps maintain compliance with emission regulations and supports engine management system accuracy.