Denso 234-4601 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4601

The Denso OE Style Oxygen Sensor 234-4601 is designed specifically for select Acura and Honda models, including the Accord, CL, MDX, Pilot, Prelude, S2000, and TL. This heated oxygen sensor features a 33.86-inch wiring harness and a threaded mounting type for precise installation and reliable performance.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Acura and Honda vehicles
• 33.86-inch wiring harness length for optimal routing
• Threaded mounting with 0.708-inch thread diameter
• Four-wire design with female connector for secure connection

Detailed Product Description and Attributes

The Denso 234-4601 oxygen sensor is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. Its specific fitment ensures compatibility with Acura and Honda models such as the Accord, CL, MDX, Pilot, Prelude, S2000, and TL. The sensor includes a 33.86-inch wiring harness, allowing for flexible installation without the need for extensions. Featuring a female connector and four wires, this sensor supports accurate signal transmission to the engine control unit. The threaded mounting type with a 0.708-inch diameter ensures a secure and leak-free fit.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on providing replacement parts that closely match original equipment specifications. This oxygen sensor maintains the quality and fitment standards expected from factory-installed components, making it a reliable choice for maintaining emissions control systems on Acura and Honda vehicles.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio monitoring for improved engine performance
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring accurate sensor readings
• Prevents poor fuel economy caused by faulty oxygen sensors
• Eliminates rough idling or engine hesitation linked to sensor failure

Installation Notes and Tips

When installing the Denso 234-4601 oxygen sensor, ensure the vehicle is compatible with the specific fitment list including Acura and Honda models such as the Accord, CL, MDX, Pilot, Prelude, S2000, and TL. Use proper tools to avoid damaging the threaded mounting. Verify the female connector and four-wire configuration match the vehicle’s wiring harness. It is recommended to replace the sensor when the engine is cool to prevent injury 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 undergo rigorous testing to ensure durability and performance. The OE Style 234-4601 sensor is designed to meet or exceed OEM specifications. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.