Denso 234-4744 Oxygen Sensor - Downstream, Downstream Right or Upstream

Denso OE Style Oxygen Sensor 234-4744

Denso 234-4744 is an OE Style heated oxygen sensor built for direct replacement on select Chrysler, Dodge, Jeep, and Mitsubishi applications. It is engineered for exact fitment and stable exhaust feedback, with the right connector, thread size, and harness length for the listed vehicles.

The OE Style line focuses on factory-style replacement fit and consistent sensor performance. Denso uses a precision-built design and an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting accurate air-fuel control and long service life.

Key Features

• Heated oxygen sensor for faster operating response
• Specific fit design for direct replacement
• 4-wire configuration with female connector
• Threaded mounting type with 0.708 in. thread diameter
• 11.81 in. wiring harness length
• OE Style construction for factory-style fit and function
• Part number: 234-4744

Detailed Description

This Denso oxygen sensor is built for vehicles that require a direct-fit upstream or downstream replacement, depending on application. It is listed for 2005-2007 Dodge Dakota, 2005-2007 Dodge Durango, 2005-2007 Dodge Ram 1500, 2006-2007 Jeep Commander, 2005-2007 Jeep Grand Cherokee, 2007 Chrysler Aspen, 2005-2006 Chrysler Pacifica, and 2006-2007 Mitsubishi Raider. If you are searching for a Denso 234-4744 oxygen sensor for a Chrysler Aspen or a Denso 234-4744 replacement for a Dodge Ram 1500, this OE Style part matches the specified positions and vehicle years shown below.

This part cross-references ACDelco 213-2904 and Bosch 13937 for the same application.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel ratio readings
• Reduced fuel economy caused by aging sensor response
• Slow sensor switching or delayed exhaust feedback
• Emissions test failures tied to sensor faults

Installation Notes and Tips

Verify the sensor position before ordering, since this part is listed for upstream, downstream, and downstream right locations depending on the vehicle. Confirm connector style, thread diameter, and harness length against the original sensor before installation. Use proper oxygen sensor service tools and follow the vehicle service procedure for removal and torque specifications.

Quality Assurance

Denso manufactures and tests this OE Style oxygen sensor to OE-level standards for replacement accuracy and consistent performance. The design includes contamination protection for the sensing element, supporting dependable operation in the listed Chrysler, Dodge, Jeep, and Mitsubishi applications.