Denso 234-4750 Oxygen Sensor - Upstream

Overview of Denso OE Style Oxygen Sensor 234-4750

The Denso OE Style Oxygen Sensor 234-4750 is designed specifically for Mazda MPV models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 12.99-inch wiring harness for straightforward installation.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Mazda MPV vehicles
• Threaded mounting with 0.708-inch thread diameter
• 12.99-inch wiring harness length with 4 wires
• Female connector for secure electrical connection

Detailed Features and Specifications

This Denso oxygen sensor, part number 234-4750, belongs to the OE Style product line, which focuses on delivering original equipment quality and fitment. The OE Style line is engineered to meet or exceed factory specifications, providing a reliable replacement that maintains your vehicle’s emission system integrity. The sensor’s heated design allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions.

The sensor includes a 12.99-inch wiring harness with four wires, facilitating a direct and secure connection to the vehicle’s electrical system. Its female connector ensures compatibility with the Mazda MPV’s factory wiring harness. The threaded mounting type with a 0.708-inch diameter allows for a precise and secure fit, minimizing installation issues.

Applications and Problem Resolution

• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Addresses check engine light triggers caused by faulty oxygen sensors
• Improves fuel economy by providing accurate oxygen level readings
• Reduces harmful emissions by ensuring proper catalytic converter function
• Prevents rough idling and engine hesitation linked to sensor failure

Installation Notes and Tips

When installing the Denso 234-4750 oxygen sensor on a Mazda MPV, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. The 12.99-inch wiring length provides flexibility during installation, but verify connector compatibility before securing the sensor. Thread the sensor carefully to prevent cross-threading and tighten to manufacturer torque specifications.

Quality Assurance and Warranty

Denso’s OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. This sensor is designed to match original equipment specifications for the Mazda MPV. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship.