Denso 234-4100 Oxygen Sensor - Upstream Front or Upstream Rear

Overview of the Denso OE Style Oxygen Sensor 234-4100

The Denso OE Style Oxygen Sensor 234-4100 is designed specifically for Acura NSX models, providing precise emissions control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a 34.65-inch wiring harness, ensuring a secure and accurate fit for your vehicle.

• Heated oxygen sensor for faster response times
• Specific fit for Acura NSX models
• Threaded mounting type with 0.708-inch thread diameter
• 34.65-inch wiring harness length for optimal installation
• Four-wire configuration with male connector

Detailed Product Description

The Denso OE Style line focuses on delivering original equipment quality and fitment, making the 234-4100 oxygen sensor a reliable replacement part for Acura NSX vehicles. This sensor uses a heated element to quickly reach operating temperature, improving fuel efficiency and reducing emissions. The four-wire design includes a male connector, which matches the factory wiring harness for a seamless installation. With a 0.708-inch thread diameter and threaded mounting type, this sensor securely attaches to the exhaust system, maintaining accurate oxygen level readings.

Applications and Common Issues Addressed

• Restores accurate air-fuel mixture readings for optimal engine performance
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel economy by providing precise emissions data
• Reduces harmful exhaust emissions by maintaining proper sensor function
• Prevents rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-4100 oxygen sensor on an Acura NSX, ensure the sensor is threaded securely without over-tightening to avoid damage. The 34.65-inch wiring harness length allows for flexible routing, but verify the connector is properly engaged to prevent electrical issues. It is recommended to use anti-seize compound on the threads to facilitate future removal. Always disconnect the battery before installation to avoid electrical shorts.

Quality Assurance and Warranty

Denso’s OE Style oxygen sensors are manufactured to meet or exceed original equipment specifications, ensuring reliable performance and durability. The 234-4100 part undergoes rigorous testing for fit, form, and function specific to Acura NSX vehicles. While warranty details vary by distributor, Denso typically offers coverage against defects in materials and workmanship, supporting long-term use in emission control systems.