Denso 234-9104 Air / Fuel Ratio Sensor - Upstream

Overview of the Denso OE Style Air/Fuel Ratio Sensor 234-9104

The Denso OE Style Air/Fuel Ratio Sensor 234-9104 is designed specifically for select INFINITI and Nissan vehicles, including the G25, NV2500, and NV3500 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 INFINITI G25 and Nissan NV2500, NV3500
• 14.53-inch wiring harness length for precise installation
• Four-wire configuration for reliable signal transmission
• Regular grade type meeting OEM standards

Detailed Product Description

The Denso 234-9104 air/fuel ratio sensor is engineered to provide precise monitoring of the oxygen content in exhaust gases. Featuring a heated sensor element, it quickly reaches operating temperature, improving sensor responsiveness and reducing emissions during cold starts. The 14.53-inch wiring harness length allows for proper routing and connection within the engine bay, while the four-wire design supports accurate data transmission to the vehicle’s engine control unit (ECU). This sensor is a specific fit for INFINITI G25 and Nissan NV2500 and NV3500 models, ensuring compatibility and reliable performance.

The OE Style product line from Denso focuses on delivering parts that closely match original equipment specifications. This ensures that the 234-9104 sensor integrates seamlessly with the vehicle’s existing systems, maintaining factory-level performance and durability.

Common Applications and Issues Addressed

• Helps maintain proper air/fuel mixture for efficient combustion
• Reduces engine misfires caused by incorrect oxygen sensor readings
• Supports emission control compliance by monitoring exhaust gases
• Prevents poor fuel economy linked to faulty sensors
• Assists in resolving check engine light triggers related to air/fuel ratio

Installation Notes and Tips

• Ensure vehicle compatibility with INFINITI G25 or Nissan NV2500/NV3500 before installation
• Handle the sensor carefully to avoid damage to the heated element and wiring harness
• Use proper torque specifications when securing the sensor to avoid leaks or sensor damage
• Verify wiring connections correspond to the four-wire configuration for accurate ECU communication

Quality Assurance and Warranty

Denso’s OE Style air/fuel ratio sensor 234-9104 is manufactured to meet original equipment standards, providing consistent performance and durability. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship to ensure customer confidence in the part’s reliability.