Denso 234-4349 Oxygen Sensor - Downstream

Overview of Denso OE Style Oxygen Sensor 234-4349

The Denso OE Style Oxygen Sensor 234-4349 is designed specifically for the Mazda RX-8, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 10.63-inch wiring harness length for a secure and accurate fit.

• Heated oxygen sensor for faster response times
• Specific fitment for Mazda RX-8 models
• Threaded mounting type with 0.708-inch thread diameter
• 10.63-inch wiring harness length with 4 wires
• Male connector for direct compatibility

Detailed Product Description

The Denso OE Style 234-4349 oxygen sensor is engineered to meet the exact specifications of the Mazda RX-8. This sensor uses a heated element to quickly reach operating temperature, improving fuel efficiency and reducing emissions. The 4-wire design supports both the sensor signal and heater circuit, while the 0.708-inch threaded mounting ensures a secure installation. The 10.63-inch wiring harness length provides sufficient reach for proper connection without excess slack. The male connector is designed for a direct plug-in fit, minimizing installation time and potential wiring issues.

Applications and Problem Resolution

• Helps maintain optimal air-fuel ratio for Mazda RX-8 engines
• Reduces engine misfires and rough idling caused by faulty sensors
• Prevents increased emissions and failed emissions tests
• Addresses poor fuel economy linked to oxygen sensor failure
• Eliminates check engine light triggers related to sensor malfunction

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for threaded removal and installation
• Do not over-tighten; follow torque specifications for 0.708-inch thread diameter
• Check wiring harness length (10.63 inches) for proper routing and secure connections
• Verify male connector compatibility with existing vehicle harness

Quality Assurance and Brand Line Information

The Denso OE Style product line focuses on delivering original equipment quality and fitment for emission control components. The 234-4349 oxygen sensor is manufactured to meet or exceed OEM standards, ensuring reliable performance and durability for the Mazda RX-8. While no specific warranty details are provided, Denso products typically undergo rigorous testing to comply with industry standards.