Denso 234-4106 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Reliable Oxygen Sensor for Ford, Mazda, and Mercury Vehicles

The Denso OE Style 234-4106 oxygen sensor is designed specifically for select Ford, Mazda, and Mercury models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

• Heated sensor type for faster response times
• Specific fit for Ford Escape, F-250 Super Duty, F-350 Super Duty, Fusion, Mazda Mariner, Milan, and Mercury Tribute
• 10.63-inch wiring harness length for proper installation
• Threaded mounting type with 0.708-inch thread diameter
• Four-wire configuration with male connector for direct compatibility

About the Denso OE Style Product Line

The OE Style line from Denso offers oxygen sensors engineered to meet original equipment specifications. This ensures that the 234-4106 sensor matches the fit, form, and function of the factory-installed part. The OE Style sensors are designed to provide reliable emissions control and maintain vehicle performance without modification.

Detailed Product Description

The Denso 234-4106 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving sensor response and reducing emissions during cold starts. Its specific fitment ensures compatibility with Ford Escape, F-250 Super Duty, F-350 Super Duty, Fusion, Mazda Mariner, Milan, and Mercury Tribute models. The sensor includes a 10.63-inch wiring harness and a male connector with four wires, facilitating straightforward installation. The threaded mounting type with a 0.708-inch diameter provides secure attachment to the exhaust system.

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor failure

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Use the correct tools to remove the old sensor and install the Denso 234-4106 oxygen sensor, making sure the threaded mounting is secure but not over-tightened. Verify the wiring harness length and connector type match the vehicle’s specifications for a proper fit.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship to provide confidence in product reliability.