Denso 234-4723 Oxygen Sensor - Upstream

Overview of the Denso OE Style Oxygen Sensor 234-4723

The Denso OE Style Oxygen Sensor 234-4723 is designed specifically for Mazda Miata models, providing precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 29.13-inch wiring harness, ensuring a secure and accurate fit.

• Heated oxygen sensor for faster warm-up and accurate readings
• Specific fit for Mazda Miata vehicles
• Threaded mounting type with 0.708-inch thread diameter
• 29.13-inch wiring harness length with 4 wires
• Female connector for direct compatibility

Detailed Product Description

The Denso OE Style 234-4723 oxygen sensor is engineered to meet the exact specifications of Mazda Miata models, ensuring reliable emission control and engine efficiency. This heated sensor type accelerates the sensor’s response time by warming up quickly, which helps maintain optimal air-fuel mixture readings. The sensor’s 4-wire configuration supports both the sensor signal and heater circuit, while the female connector guarantees a secure electrical connection. With a 0.708-inch threaded mounting, installation is straightforward and compatible with factory mounting points. The 29.13-inch wiring harness length provides sufficient reach for proper routing within the engine bay.

Purpose and Common Applications

• Monitors oxygen levels in exhaust gases to optimize fuel combustion
• Helps reduce harmful emissions by providing accurate feedback to the engine control unit
• Prevents engine performance issues related to incorrect air-fuel mixture
• Addresses check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by maintaining proper sensor operation

Installation Notes and Tips

When installing the Denso OE Style 234-4723 oxygen sensor on a Mazda Miata, 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 wiring harness length and connector type match the vehicle’s factory specifications. Properly torque the sensor to manufacturer recommendations to prevent leaks or sensor damage. After installation, clear any diagnostic trouble codes and perform a test drive to confirm sensor operation.

Quality Assurance and Warranty

Denso’s OE Style product line is designed to meet original equipment standards, providing reliable performance and durability. The 234-4723 oxygen sensor undergoes rigorous testing to ensure compatibility and function with Mazda Miata vehicles. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, supporting long-term use and peace of mind.