Denso 234-3306 Oxygen Sensor - Upstream Left

Overview of Denso OE Style Oxygen Sensor 234-3306

The Denso OE Style Oxygen Sensor 234-3306 is designed specifically for select INFINITI and Nissan vehicles, including the Pathfinder and QX4 models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for INFINITI Pathfinder and Nissan QX4
• Threaded mounting type with 0.708 inch thread diameter
• 37.01 inches wiring harness length for precise installation
• Three-wire configuration with male connector

Detailed Features and Specifications

The Denso 234-3306 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its specific fitment ensures compatibility with INFINITI Pathfinder and Nissan QX4 models, providing a direct replacement without modification. The sensor includes a 37.01-inch wiring harness, allowing for proper routing and connection within the vehicle's emission system. The three-wire design and male connector facilitate straightforward electrical integration, while the threaded mounting type with a 0.708-inch diameter ensures secure installation.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications for fit, form, and function. This oxygen sensor is engineered to match the performance and durability standards of the original sensor installed in your INFINITI or Nissan vehicle. Choosing the OE Style 234-3306 sensor helps maintain factory-level emissions control and engine management accuracy.

Common Applications and Problem Resolution

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Resolves check engine light issues related to oxygen sensor faults
• Improves fuel economy by ensuring correct sensor feedback
• Reduces harmful emissions by maintaining proper exhaust monitoring
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-3306 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 0.708-inch threaded sensor to prevent damage. Verify the wiring harness length of 37.01 inches is sufficient for your vehicle’s routing needs. Confirm the male connector aligns properly with the vehicle’s wiring harness to ensure a secure electrical connection. Follow manufacturer torque specifications for mounting to avoid sensor damage.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet stringent 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 234-3306 sensor helps maintain compliance with emissions regulations and supports long-term vehicle operation.