Denso 234-4355 Oxygen Sensor - Downstream or Downstream Front

Overview of the Denso OE Style Oxygen Sensor 234-4355

The Denso OE Style Oxygen Sensor 234-4355 is designed specifically for select Acura and Honda models, including the Accord, Civic, MDX, Odyssey, Pilot, Ridgeline, RL, and TL. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Acura and Honda vehicles
• 16.73-inch wiring harness length for precise installation
• Four-wire configuration with male connector
• Threaded mounting type with 0.708-inch thread diameter

Detailed Product Features and Specifications

This oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 16.73-inch wiring harness length provides sufficient reach for proper connection without excess slack. With four wires and a male connector, this sensor integrates seamlessly with the vehicle’s existing wiring system. The threaded mounting type with a 0.708-inch diameter ensures a secure and reliable fit in the exhaust system.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that match original equipment specifications for direct replacement. This oxygen sensor maintains the quality and fitment standards expected from factory-installed components, making it a suitable choice for maintaining the performance and emissions compliance of Acura and Honda vehicles.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve rough idling and poor fuel economy
• Reduces emissions-related check engine light triggers
• Improves overall engine performance and drivability
• Prevents damage to catalytic converters caused by faulty sensors

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use the correct tools to remove the old sensor and install the new one with the specified 0.708-inch threaded mounting. Verify the wiring harness length of 16.73 inches is sufficient for your vehicle’s routing. Confirm the male connector matches the vehicle’s harness to avoid connection issues.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and are designed for durability and reliable performance. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship to support long-term use in Acura and Honda vehicles.