Denso 234-3097 Oxygen Sensor - Upstream Left

Overview of Denso OE Style Oxygen Sensor 234-3097

The Denso OE Style Oxygen Sensor 234-3097 is designed specifically for Nissan Pathfinder and Infiniti QX4 models. This heated oxygen sensor features a 36.61-inch wiring harness and a threaded mounting type, ensuring precise fitment and reliable performance in emission control systems.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Nissan Pathfinder and Infiniti QX4
• 36.61-inch wiring harness length for optimal installation
• Threaded mounting with 0.708-inch thread diameter
• Three-wire design with male connector for secure connection

Detailed Product Features and Specifications

The Denso 234-3097 oxygen sensor is a heated sensor, which allows it to reach operating temperature quickly for improved fuel efficiency and reduced emissions. It includes a 36.61-inch wiring harness, providing sufficient length for proper routing in the engine bay. The sensor uses a threaded mounting type with a 0.708-inch thread diameter, ensuring a secure and leak-free installation. Featuring a three-wire configuration and a male connector, this sensor is engineered for specific fitment on Nissan Pathfinder and Infiniti QX4 vehicles, maintaining OEM standards.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications. This oxygen sensor is part of that line, designed to match the fit, form, and function of the factory-installed sensor. Using the OE Style sensor helps maintain the emission control system's integrity and ensures compatibility with the vehicle's engine management system.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for optimal air-fuel mixture
• Helps resolve check engine light codes related to oxygen sensor failure
• Improves fuel economy by ensuring proper sensor operation
• Reduces harmful emissions by maintaining correct sensor feedback
• Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-3097 oxygen sensor, ensure the engine 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 36.61 inches is sufficient for your vehicle’s routing needs. Confirm the male connector matches the vehicle’s harness to ensure a secure electrical connection. Follow vehicle-specific torque specifications to avoid sensor or exhaust system damage.

Quality Assurance and Warranty

Denso oxygen sensors are manufactured to meet strict quality standards and OEM specifications. The OE Style 234-3097 sensor undergoes rigorous testing to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the parts provider or manufacturer, as they may vary by region.