Denso 234-4752 Oxygen Sensor - Downstream or Downstream Left

Reliable Oxygen Sensor for Mazda 6, MPV, Protege, and Protege5

The Denso OE Style Oxygen Sensor 234-4752 is designed specifically for select Mazda models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a female connector, tailored for a direct fit on Mazda 6, MPV, Protege, and Protege5 vehicles.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Mazda 6, MPV, Protege, and Protege5
• Threaded mounting with 0.708-inch thread diameter
• Female connector with 4-wire configuration
• Wiring harness length of 25.59 inches for proper installation

About the Denso OE Style Product Line

The Denso OE Style line offers oxygen sensors engineered to meet original equipment specifications. This ensures compatibility and performance consistent with factory-installed parts. The OE Style 234-4752 oxygen sensor maintains the integrity of your vehicle’s emission system by providing reliable sensor readings and durability aligned with Mazda’s standards.

Detailed Product Description

This Denso oxygen sensor 234-4752 is a heated sensor designed to quickly reach operating temperature, improving fuel efficiency and reducing emissions. It features a 4-wire design with a female connector, allowing seamless integration with the vehicle’s wiring harness. The 0.708-inch threaded mounting ensures a secure fit, while the 25.59-inch wiring harness length provides flexibility during installation. This sensor is a specific fit for Mazda 6, MPV, Protege, and Protege5 models, ensuring proper function without modification.

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased vehicle emissions failing regulatory standards
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor malfunction

Installation Notes and Tips

When installing the Denso 234-4752 oxygen sensor, ensure the engine is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the female connector matches the vehicle’s wiring harness and route the wiring harness carefully to prevent contact with hot or moving parts. Torque the sensor to manufacturer specifications for a secure fit.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Denso parts typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.