Denso 234-4535 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Nissan and Infiniti Vehicles

The Denso OE Style Oxygen Sensor 234-4535 is designed specifically for select Nissan and Infiniti models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 14.76-inch wiring harness for straightforward installation.

• Heated oxygen sensor for accurate exhaust gas monitoring
• Specific fit for Nissan 370Z, Juke, Q40, Q50, Q60, Q70, Q70L, QX50, and QX70
• Threaded mounting with 0.708-inch thread diameter
• Four-wire design with female connector for secure electrical connection
• 14.76-inch wiring harness length for proper routing and fitment

About the Denso OE Style Product Line

The OE Style line by Denso offers oxygen sensors engineered to meet original equipment specifications. This ensures compatibility and performance that align closely with factory-installed parts. The 234-4535 sensor maintains the quality and reliability expected from Denso, providing a direct replacement solution for emission control systems in Nissan and Infiniti vehicles.

Detailed Product Description

The Denso 234-4535 oxygen sensor is a heated sensor designed to provide accurate readings of oxygen levels in the exhaust gases. Its four-wire configuration includes a heating element that allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor’s threaded mounting type with a 0.708-inch diameter ensures a secure fit in the exhaust manifold or pipe. The 14.76-inch wiring harness length and female connector are tailored for specific Nissan and Infiniti models, including the 370Z, Juke, Q40, Q50, Q60, Q70, Q70L, QX50, and QX70, ensuring proper electrical connection and ease of installation.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel mixture for efficient combustion
• Reduces engine misfires and rough idling caused by faulty oxygen sensors
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate feedback to the engine control unit
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Denso 234-4535 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the wiring harness length and connector gender match the vehicle’s factory harness to ensure proper fitment. It is recommended to apply anti-seize compound on the sensor threads to facilitate future removal. Follow vehicle-specific service manual instructions for torque specifications and sensor location.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. This part number 234-4535 undergoes rigorous testing to ensure durability and reliable performance in emission control systems. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s long-term functionality.