Denso 234-5098 Air / Fuel Ratio Sensor - Upstream

Reliable Air/Fuel Ratio Sensor for Acura and Honda Vehicles

The Denso OE Style Air/Fuel Ratio Sensor 234-5098 is designed specifically for select Acura and Honda models, ensuring precise emissions control and optimal engine performance. This heated sensor features a 10.39-inch wiring harness and a female connector for straightforward installation.

• Heated sensor type for faster response times
• Specific fit for Acura and Honda models including Accord, MDX, Odyssey, and more
• 10.39-inch wiring harness length for proper reach
• Five-wire configuration with female connector
• Thread diameter of 0.711 inches for secure mounting
• Regular grade type for standard durability and performance

About the Denso OE Style Product Line

The OE Style line from Denso offers replacement parts engineered to meet original equipment specifications. This ensures that the 234-5098 Air/Fuel Ratio Sensor maintains the same fit, form, and function as the factory-installed component. Designed for direct replacement, the OE Style sensor supports reliable emissions control and engine efficiency in compatible Acura and Honda vehicles.

Detailed Product Description

The Denso 234-5098 Air/Fuel Ratio Sensor is a heated sensor that monitors the oxygen content in the exhaust gases to help the engine control module adjust the air/fuel mixture accurately. Its specific fitment includes Acura models such as the RL, TL, TSX, and ZDX, as well as Honda models like the Accord, Crosstour, MDX, Odyssey, Pilot, and Ridgeline. The sensor’s 10.39-inch wiring harness and five-wire setup with a female connector ensure compatibility and ease of installation. The 0.711-inch thread diameter allows for secure mounting in the exhaust system, while the regular grade type balances durability and cost-effectiveness.

Common Issues Addressed by This Sensor

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

Installation Notes and Tips

• Ensure the vehicle is cool before sensor replacement to avoid burns
• Use appropriate tools to avoid damaging the 0.711-inch threaded sensor
• Verify connector type matches the vehicle’s wiring harness (female connector)
• Check wiring harness length (10.39 inches) for proper routing and fit
• Follow vehicle-specific service manual instructions for sensor replacement

Quality Assurance and Warranty

Denso OE Style sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship. Using the 234-5098 sensor helps maintain emissions compliance and engine efficiency in compatible Acura and Honda vehicles.