Denso 234-4781 Oxygen Sensor - Downstream Front or Downstream Left

Reliable Oxygen Sensor for Acura, Honda, and Hyundai Vehicles

The Denso OE Style Oxygen Sensor 234-4781 is designed to provide precise emissions control for specific Acura, Honda, and Hyundai models. Engineered with a heated sensor and a threaded mounting type, this oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance.

• Heated oxygen sensor for faster response times
• Specific fit for Acura, Honda, and Hyundai models including Accord, MDX, Pilot, and more
• 9.45-inch wiring harness length for proper installation
• Threaded mounting type with 0.708-inch thread diameter
• Four-wire design with female connector for secure connection

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications. This oxygen sensor 234-4781 is built to match the fit, form, and function of the factory-installed sensor, ensuring compatibility and reliable performance for your Acura, Honda, or Hyundai vehicle.

Product Details and Specifications

This oxygen sensor features a heated sensor type that allows quicker activation and more accurate readings during engine warm-up. The 9.45-inch wiring harness length provides sufficient reach for proper connection without excess slack. Designed with a female connector and four wires, it supports the necessary electrical signals for precise emissions monitoring. The threaded mounting type with a 0.708-inch diameter ensures a secure and leak-free installation.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces engine misfires and rough idling caused by faulty sensors
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate oxygen level data
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use the correct socket size for the 0.708-inch threaded sensor to prevent damage. Verify the female connector matches the vehicle’s wiring harness for a secure fit. Follow torque specifications recommended by the vehicle manufacturer to avoid sensor damage or leaks.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. This part number 234-4781 undergoes rigorous testing to ensure durability and reliable performance. Warranty coverage details should be confirmed with the parts provider or vehicle manufacturer.