Denso 234-5095 Air / Fuel Ratio Sensor - Upstream

Overview of the Denso OE Style Air/Fuel Ratio Sensor

The Denso OE Style Air/Fuel Ratio Sensor 234-5095 is designed specifically for select Infiniti models, including the M56, Q70, QX56, and QX80. 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 M56, Q70, QX56, and QX80 models
• 18.70-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 OE replacement

Detailed Product Description

The Denso 234-5095 air/fuel ratio sensor is engineered to meet the exact specifications of the OE Style product line, providing a direct replacement for the original sensor in compatible Infiniti vehicles. Featuring a heated sensor element, it quickly reaches operating temperature to deliver accurate readings of the air-to-fuel mixture. This sensor includes a 5-wire harness with a male connector and an 18.70-inch wiring harness length, ensuring proper fit and connectivity within the vehicle’s emission control system. The thread diameter of 0.711 inches allows for secure installation in the designated mounting location.

OE Style Product Line Information

The OE Style line from Denso focuses on delivering parts that closely replicate the original equipment in form, fit, and function. This air/fuel ratio sensor is part of that line, designed to provide reliable performance and compatibility with specific Infiniti models. Choosing an OE Style sensor like the 234-5095 helps maintain factory-level emission control standards and engine efficiency.

Common Applications and Issues Addressed

• Restores accurate air/fuel mixture readings for proper engine management
• Resolves check engine light triggers related to sensor faults
• Improves fuel economy by ensuring correct sensor feedback
• Reduces emissions by maintaining proper combustion ratios
• Eliminates rough idling or hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-5095 sensor, verify compatibility with your Infiniti M56, Q70, QX56, or QX80 model year and engine type. Ensure the wiring harness length of 18.70 inches is sufficient for your vehicle’s routing requirements. Use proper tools to avoid damaging the 0.711-inch thread diameter during installation. Confirm the male connector securely mates with the vehicle’s wiring harness to prevent electrical issues.

Quality Assurance and Warranty

Denso’s OE Style air/fuel ratio sensor 234-5095 is manufactured to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship. Refer to the product documentation or supplier for exact warranty terms.