Denso 234-4332 Oxygen Sensor - Upstream

Denso OE Style Oxygen Sensor 234-4332

Denso 234-4332 is an OE Style heated oxygen sensor built for direct replacement on select Chevrolet applications. It is engineered for a specific fit and uses a 4-wire, threaded design with a male connector for straightforward OE-style service.

For drivers searching for an upstream oxygen sensor for 2005-2013 Chevrolet Corvette or 2006-2007 Chevrolet HHR, this Denso oxygen sensor is built to match the original configuration and restore accurate exhaust feedback. The Denso OE Style line focuses on exact replacement fitment, and the 234-4332 follows that approach for the listed vehicles.

Key Features

• Heated oxygen sensor for upstream placement
• Specific fit design for listed Chevrolet applications
• 4-wire configuration with male connector
• Threaded mounting type for OE-style installation
• 11.42 in. wiring harness length
• 0.708 in. thread diameter
• Denso OE Style replacement part number 234-4332

Product Details

Denso manufactures this oxygen sensor to OE standards for accurate replacement fitment and dependable signal performance. The sensor uses an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable engine management and consistent emissions-system operation. If you need a replacement upstream O2 sensor for a Chevrolet Corvette or Chevrolet HHR, Denso 234-4332 is built to match the original sensor layout and connection style.

This part cross-references Bosch (e.g., 15000, 15154) for the same application.

What This Oxygen Sensor Helps Address

• Check engine light caused by a failing upstream oxygen sensor
• Incorrect air-fuel ratio feedback to the engine control module
• Reduced fuel economy from slow or inaccurate sensor response
• Emissions test failures related to oxygen sensor performance
• Rough idle or drivability issues tied to exhaust feedback errors

Installation Notes and Tips

Verify the connector style, wire count, thread diameter, and upstream position before installation. This is a specific-fit sensor for the listed Chevrolet Corvette and Chevrolet HHR applications, so matching the original sensor location and harness routing is important. Use the vehicle’s service information to confirm the correct bank and sensor position before replacement.

Quality Assurance

Denso builds this OE Style oxygen sensor to strict original-equipment standards and tests it for replacement accuracy and first-time fit. The sensor design is intended to deliver the correct part and fit for the listed applications, including 2005-2013 Chevrolet Corvette and 2006-2007 Chevrolet HHR.