Denso 234-3007 Oxygen Sensor - Upstream

Denso OE Style Oxygen Sensor 234-3007

Denso 234-3007 is an OE-style heated oxygen sensor built for specific-fit applications on select Ford and Mercury vehicles. It is engineered for direct replacement, accurate signal response, and a first-time fit on upstream locations.

Key Features

• Heated oxygen sensor with a specific-fit design
• OE-style replacement for select Ford and Mercury applications
• 3-wire configuration with male connector
• Threaded mounting with 0.708 in. thread diameter
• 18.82 in. wiring harness length for listed applications
• Built to Denso OE standards for fit and performance consistency
• Uses an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination

Product Details

Denso 234-3007 is part of the OE Style line, which focuses on direct-fit replacement sensors that match factory-style dimensions and connector design. This oxygen sensor is intended for upstream use on a range of Ford E-150, E-250, E-350, F-150, F-250, F-350, Bronco, Bronco II, Ranger, Taurus, Tempo, and Mercury Topaz applications. For shoppers searching for a Ford F-150 oxygen sensor or an upstream oxygen sensor for a Ford Bronco, this part number provides a specific-fit solution with the correct threaded mount and wiring layout for the listed vehicles.

Denso manufactures and tests these sensors to OE standards, with attention to signal accuracy, durability, and exact replacement dimensions. The protective trap layer is designed to reduce contamination damage to the sensing element, which supports stable engine management and consistent fuel control over time. This part cross-references Bosch 13953 and NTK 22013 for the same application.

What This Sensor Helps Address

• Check engine light caused by a failing upstream oxygen sensor
• Rough idle or inconsistent air-fuel readings
• Reduced fuel economy from inaccurate exhaust feedback
• Slow sensor response during closed-loop operation
• Emissions test failures related to oxygen sensor performance

Installation Notes and Tips

Verify the vehicle’s year, engine configuration, and sensor position before ordering. This part is listed for upstream locations only and is a specific-fit sensor, so connector style, wire count, and harness length should match the original unit. On Ford and Mercury applications such as the F-250, Ranger, and Topaz, confirm the existing sensor lead length and threaded mount before installation.

Quality Assurance

Denso builds this OE Style oxygen sensor to strict original-equipment standards and tests each design for replacement accuracy and fit consistency. The OE-style construction and contamination-resistant sensing element support dependable operation in the listed applications.