Denso 234-4022 Oxygen Sensor - Upstream

Denso OE Style Oxygen Sensor 234-4022

Denso 234-4022 is an OE Style heated oxygen sensor built for exact replacement and first-time fit. It is designed for 2001-2002 Chrysler Voyager upstream and 2001-2002 Dodge Caravan upstream applications, with the connector, thread, and harness layout matched for direct service replacement.

Denso’s OE Style line focuses on factory-style fit and sensor performance. This oxygen sensor uses an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable engine operation and consistent fuel control over time.

Key Features

• Heated oxygen sensor for faster operating response
• Specific fit design for direct replacement service
• 4-wire configuration with female connector
• Threaded mounting type with 0.708 thread diameter
• 11.81 in. wiring harness length
• OE Style replacement for Chrysler and Dodge applications
• Part number: 234-4022

Detailed Description

This Denso oxygen sensor is manufactured and tested to OE standards for accurate replacement in emissions control service. It is engineered for the upstream position on the 2001-2002 Chrysler Voyager and 2001-2002 Dodge Caravan, making it a direct-fit choice for technicians and owners replacing a worn or slow-responding sensor. The 234-4022 part number is also cross-referenced to Bosch 13710 for the same application.

As part of Denso’s OE Style product line, this sensor is built to match factory specifications for fit and function. The heated design helps the sensor reach operating temperature efficiently, while the protective trap layer helps reduce contamination-related wear that can affect drivability and emissions performance.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Rough idle caused by inaccurate air-fuel feedback
• Reduced fuel economy from a slow or aging sensor
• Emissions test failures tied to upstream sensor issues
• Delayed closed-loop fuel control after startup

Installation Notes and Tips

Verify the upstream sensor location before installation and confirm the connector style, wire count, and thread size match the original part. The threaded mounting design is intended for direct replacement service, and the 11.81-inch harness length should be checked against the vehicle routing before final installation. For 2001-2002 Chrysler Voyager and 2001-2002 Dodge Caravan applications, confirm the OE-style sensor orientation and wiring path before reconnecting the harness.

Quality Assurance

Denso manufactures and tests this oxygen sensor to strict OE standards for fit, function, and durability. The OE Style design reflects factory replacement requirements, and the contamination-resistant trap layer is included to help protect the sensing element during service life.