Denso 234-4309 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4309

The Denso OE Style Oxygen Sensor 234-4309 is designed specifically for Nissan Altima and Sentra models. This heated oxygen sensor features a threaded mounting type and a male connector, ensuring precise fitment and reliable performance in emission control systems.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Nissan Altima and Sentra vehicles
• Threaded mounting with 0.708-inch thread diameter
• 18.50-inch wiring harness length with 4 wires
• Male connector for secure electrical connection

Details on the Denso OE Style Product Line

The OE Style line by Denso focuses on providing oxygen sensors that match original equipment specifications. This ensures compatibility and performance consistent with factory-installed parts. The 234-4309 sensor maintains the quality and design standards expected from Denso’s OE Style series, making it a suitable replacement for Nissan vehicles requiring precise emission control components.

Technical Description and Features

The Denso 234-4309 oxygen sensor is a heated sensor type, which allows it to reach operating temperature quickly for accurate oxygen level readings. It includes a wiring harness measuring 18.50 inches in length and contains four wires, supporting the sensor’s heating element and signal transmission. The sensor’s male connector and threaded mounting type with a 0.708-inch diameter ensure a secure and proper installation in the exhaust system of Nissan Altima and Sentra models.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel mixture for efficient engine performance
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine misfires and rough idling caused by faulty sensors
• Supports proper functioning of the vehicle’s catalytic converter
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Denso 234-4309 oxygen sensor, ensure the vehicle is compatible with this specific fit sensor for Nissan Altima and Sentra models. Use appropriate tools to avoid damaging the threaded mounting. Verify the wiring harness length and connector type match the vehicle’s harness to ensure a secure connection. It is recommended to replace the sensor when the engine is cool to prevent burns and to apply anti-seize compound on the threads if not pre-applied.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet original equipment standards, providing reliable performance and durability. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.