Denso 234-4904 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4904

The Denso OE Style Oxygen Sensor 234-4904 is designed specifically for Nissan Sentra models, providing precise emissions control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a 15.43-inch wiring harness length for a direct fit installation.

• Heated oxygen sensor for accurate emissions readings
• Specific fit for Nissan Sentra vehicles
• Threaded mounting with 0.708-inch thread diameter
• Four-wire design with male connector
• 15.43-inch wiring harness length for proper reach

Detailed Product Description

The Denso 234-4904 oxygen sensor is engineered to meet the exact specifications of Nissan Sentra models, ensuring compatibility and reliable operation. This heated sensor uses a four-wire configuration, which includes a heater circuit to bring the sensor up to operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor’s threaded mounting type with a 0.708-inch diameter allows for secure installation in the exhaust system. The 15.43-inch wiring harness length provides sufficient reach for proper connection without excess slack.

This oxygen sensor is part of Denso's OE Style product line, which focuses on delivering original equipment quality and fitment. The OE Style line is designed to match the performance and durability of factory-installed parts, making it a suitable replacement for maintaining the emission control system of Nissan Sentra vehicles.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for engine control
• Helps resolve rough idling and poor fuel economy
• Reduces emissions-related check engine light triggers
• Improves overall engine performance and responsiveness
• Prevents failed emissions tests due to faulty sensors

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools to avoid damaging the threaded mounting
• Verify the connector gender matches the vehicle harness (male connector)
• Check wiring harness length (15.43 inches) for proper routing and connection
• Follow vehicle manufacturer torque specifications when installing

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 234-4904 part number undergoes rigorous testing to comply with OEM specifications for Nissan Sentra models. Warranty coverage details should be confirmed with the parts distributor or vehicle manufacturer.