Denso 234-3075 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Mercury and Nissan Vehicles

The Denso OE Style 234-3075 oxygen sensor is designed specifically for select Mercury and Nissan models, including the Altima, Pickup, Quest, and Villager. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance.

• Heated sensor type for faster response times
• Specific fit for Mercury and Nissan vehicles
• Threaded mounting type with 0.708-inch thread diameter
• 10.24-inch wiring harness length with 3 wires
• Male connector for secure electrical connection

About the Denso OE Style Product Line

The OE Style line from Denso offers oxygen sensors engineered to meet original equipment specifications. This ensures compatibility and reliable performance for vehicles requiring precise emissions control components. The 234-3075 sensor maintains factory standards for fit, form, and function, making it a suitable replacement part for the specified Mercury and Nissan models.

Detailed Product Description

The Denso 234-3075 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 10.24-inch wiring harness length and 3-wire configuration provide a direct fit with the male connector designed for specific Mercury and Nissan vehicles. The threaded mounting type with a 0.708-inch diameter ensures secure installation and proper sealing in the exhaust system.

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions failing vehicle inspections
• Engine hesitation or rough idling caused by sensor malfunction
• Reduced engine performance linked to inaccurate oxygen sensing

Installation Notes and Tips

When installing the Denso 234-3075 oxygen sensor, ensure the vehicle is compatible with this specific part number. Use proper tools to avoid damaging the threaded mounting. Verify the wiring harness length and connector gender 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 oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. The OE Style 234-3075 sensor undergoes rigorous testing to ensure durability and reliable performance. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary.