Denso 234-5010 Air / Fuel Ratio Sensor - Upstream

Denso OE Style Air/Fuel Ratio Sensor 234-5010

Denso 234-5010 is an OE Style heated air/fuel ratio sensor built for exact replacement and first-time fit. It is engineered for specific applications and is a direct match for upstream sensor locations on select Acura, Honda, and Saturn vehicles.

This Denso air/fuel ratio sensor is built to OE standards for accurate signal response and dependable replacement performance. The 5-wire heated design, male connector, and 11.50-inch wiring harness length support a clean factory-style installation on the correct application.

Key Features

• OE Style replacement sensor for specific vehicle applications
• Heated air/fuel ratio sensor design
• 5-wire configuration with male connector
• 11.50-inch wiring harness length
• Thread diameter: 0.711
• Regular grade type for direct-fit service replacement
• Fits upstream sensor positions on confirmed applications

Fitment and Application Details

Compatible with select upstream applications including 2003-2007 Honda Accord, 2005-2008 Honda Pilot, 2006-2008 Honda Ridgeline, 2005-2006 Honda Odyssey, 2003-2006 Acura MDX, 2004-2008 Acura TL, 2005-2008 Acura RL, and 2004-2007 Saturn Vue. This part number, 234-5010, is also referenced for the same application by cross-reference listings such as Bosch 13965 and NTK 24302.

• Fits 2005-2008 Acura RL, Upstream
• Fits 2004-2008 Acura TL, Upstream
• Fits 2003-2006 Acura MDX, Upstream
• Fits 2003-2007 Honda Accord, Upstream
• Fits 2005-2008 Honda Pilot, Upstream
• Fits 2006-2008 Honda Ridgeline, Upstream
• Fits 2005-2006 Honda Odyssey, Upstream
• Fits 2004-2007 Saturn Vue, Upstream

What This Sensor Helps Address

• Check engine light related to air/fuel ratio sensor faults
• Rough idle caused by inaccurate upstream sensor readings
• Fuel trim issues from a slow or failing sensor signal
• Emissions test failures tied to sensor performance
• Driveability concerns from incorrect air-fuel mixture feedback

Installation Notes and Tips

Verify the connector style, wire count, thread diameter, and upstream location before installation. The specific-fit design is intended for direct replacement on the listed vehicles, and the OE-style harness length helps maintain a factory-like routing path. Confirm the vehicle year, make, model, and sensor position against the application listing before ordering.

Quality Assurance

Denso manufactures and tests these sensors to strict OE standards, with precision-built components intended to match the original fit and function of the application. The Denso OE Style line focuses on exact replacement parts for service work where correct fit and reliable sensor output matter.