Denso 234-9107 Air / Fuel Ratio Sensor - Upstream

Overview of the Denso OE Style Air/Fuel Ratio Sensor

The Denso OE Style Air/Fuel Ratio Sensor 234-9107 is designed specifically for Nissan Altima models, ensuring precise emission control and optimal engine performance. This heated sensor features a 14.57-inch wiring harness and a four-wire configuration tailored for a direct fit.

• Heated air/fuel ratio sensor for accurate emissions monitoring
• Specific fitment for Nissan Altima vehicles
• 14.57-inch wiring harness length for proper installation
• Four-wire design for reliable electrical connections
• Regular grade type ensuring consistent performance

Detailed Product Description

The Denso 234-9107 air/fuel ratio sensor is engineered to meet the exact specifications of Nissan Altima models, providing a direct replacement that maintains factory performance standards. As a heated sensor, it quickly reaches operating temperature, improving fuel mixture readings and reducing emissions during cold starts. The 14.57-inch wiring harness length allows for proper routing and connection without modification. Featuring four wires, this sensor supports the necessary signals for accurate air/fuel ratio measurement. The regular grade type ensures dependable operation under typical driving conditions.

This sensor is part of Denso's OE Style product line, which focuses on delivering components that closely match original equipment specifications. The OE Style line is designed to provide reliable fit and function, making it a suitable choice for technicians and vehicle owners seeking quality replacement parts that align with factory standards.

Common Applications and Issues Addressed

• Restores accurate air/fuel ratio readings for improved engine efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper fuel mixture control
• Improves cold start performance with heated sensor technology
• Prevents drivability issues caused by faulty sensor signals

Installation Notes and Tips

• Compatible specifically with Nissan Altima models; verify vehicle year and engine type before installation
• Handle the sensor carefully to avoid damage to the heated element and wiring harness
• Ensure proper torque specifications when installing to prevent leaks or sensor damage
• Check wiring connections for corrosion or damage during replacement
• Clear any diagnostic trouble codes after installation to reset the vehicle’s computer system

Quality Assurance and Warranty

Denso OE Style sensors are manufactured to meet stringent quality 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. Using a sensor like the 234-9107 helps maintain emission compliance and engine functionality consistent with original equipment.