Denso 234-4360 Oxygen Sensor - Downstream

Denso 234-4360 Oxygen Sensor for Acura RSX

Denso 234-4360 is an OE-style heated oxygen sensor built for precise replacement and consistent signal performance. It is a specific-fit downstream sensor for 2002-2004 Acura RSX applications, with the correct threaded mounting, 4-wire design, and female connector for a direct match.

For drivers searching for a downstream oxygen sensor for 2002-2004 Acura RSX, this Denso part is engineered to match the original application and restore accurate exhaust monitoring. The Denso OE Style line is built to factory-level dimensions and uses an aluminum oxide trap layer to help protect the sensing element from silicone and lead contamination.

Key Features

• OE Style replacement oxygen sensor for exact-fit installation
• Heated sensor design for faster operating response
• Specific fit for downstream placement on Acura RSX
• 4-wire configuration with female connector
• Threaded mounting with 0.708 in. thread diameter
• Wiring harness length: 20.08 in.
• Built to strict OE standards for replacement accuracy

Product Details

Denso 234-4360 is designed for 2002-2004 Acura RSX downstream applications and is intended to replace the original oxygen sensor with the correct fit and electrical configuration. As part of Denso’s OE Style line, this sensor focuses on factory-style compatibility, precise construction, and dependable exhaust feedback for engine management systems. The protective trap layer helps shield the ceramic element from contamination that can affect sensor performance and longevity.

This part cross-references Bosch 13676 and NTK 24409 for the same application.

Common Issues This Sensor Can Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel ratio readings from a worn downstream sensor
• Reduced fuel economy caused by inaccurate exhaust feedback
• Slow sensor response after the original unit ages or contaminates
• Failed emissions testing tied to a faulty oxygen sensor

Installation Notes

Verify the downstream location before installation and confirm connector style, wire count, and thread size against the original sensor. The threaded mounting and specific-fit design support direct replacement on the listed Acura RSX applications. For best results, inspect the harness routing and exhaust threads before installation to ensure proper seating and connection.

Quality Assurance

Denso manufactures and tests this oxygen sensor to OE standards for fit, function, and durability. The OE Style product line is built for exact replacement applications, and the contamination-resistant trap layer is included to help maintain sensor performance over time.