Denso 234-9133 Air / Fuel Ratio Sensor - Upstream

Overview of the Denso OE Style Air/Fuel Ratio Sensor

The Denso OE Style Air/Fuel Ratio Sensor 234-9133 is designed specifically for Nissan Altima, Versa, and Versa Note 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 Nissan Altima, Versa, and Versa Note
• 10.67-inch wiring harness length for precise installation
• Four-wire configuration for reliable signal transmission
• Regular grade type ensuring consistent performance

Detailed Product Description

The Denso 234-9133 air/fuel ratio sensor is engineered to meet the exact specifications of Nissan vehicles including the Altima, Versa, and Versa Note. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings. The 10.67-inch wiring harness length and four-wire setup facilitate straightforward integration with the vehicle’s existing wiring system. This sensor is part of Denso's OE Style product line, which focuses on delivering components that closely match original equipment specifications for fit, form, and function.

Purpose and Common Applications

• Helps maintain proper air/fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate sensor data
• Prevents engine performance issues related to incorrect oxygen readings
• Supports fuel economy by optimizing engine control unit adjustments
• Addresses check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Denso 234-9133 sensor, ensure the wiring harness length of 10.67 inches is compatible with your vehicle’s layout. The four-wire configuration requires proper connection to the vehicle’s oxygen sensor circuit. It is recommended to use appropriate tools to avoid damage to the sensor or wiring during installation. Always verify sensor orientation and torque specifications according to Nissan service guidelines.

Quality Assurance and Warranty

Denso’s OE Style line, including part number 234-9133, is manufactured to meet original equipment standards, ensuring reliable performance and durability. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. This sensor is designed to provide consistent operation within Nissan Altima, Versa, and Versa Note emission control systems.