Denso 234-4194 Oxygen Sensor - Downstream, Downstream Left or Upstream

Overview of the Denso OE Style Oxygen Sensor 234-4194

The Denso OE Style Oxygen Sensor 234-4194 is designed specifically for select Hyundai and Kia models, including the Amanti, Magentis, Optima, Rondo, Santa Fe, Sedona, Sorento, and XG350. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

• Heated sensor type for faster activation and improved efficiency
• Specific fit for Hyundai and Kia vehicles listed
• Threaded mounting type with 0.708-inch thread diameter
• 16.93-inch wiring harness length with 4 wires and male connector
• Part number 234-4194 for exact replacement

Detailed Features and Specifications

This oxygen sensor features a heated design that allows it to reach operating temperature quickly, reducing emissions during cold starts. The 16.93-inch wiring harness length provides sufficient reach for proper installation without excess slack. With a 0.708-inch threaded mounting type, it securely fits the exhaust system of compatible Hyundai and Kia models. The sensor includes four wires and a male connector, ensuring proper electrical connection and communication with the vehicle’s engine control unit.

About the Denso OE Style Product Line

The Denso OE Style line focuses on delivering parts that meet original equipment specifications for fit, form, and function. This oxygen sensor from the OE Style series is engineered to match the exact requirements of the vehicles it serves, providing reliable performance and compatibility. Using OE Style parts helps maintain factory-level emissions control and engine efficiency.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve rough idling and engine hesitation caused by faulty sensors
• Reduces increased emissions and failed emissions tests
• Prevents poor fuel economy linked to sensor malfunction
• Eliminates check engine light codes related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and install the new one with the 0.708-inch threaded mount. Verify the wiring harness length of 16.93 inches is sufficient for your vehicle’s routing. Confirm the male connector matches the vehicle’s harness to ensure proper connection. Follow torque specifications recommended by the vehicle manufacturer.

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 parts typically come with a limited warranty covering defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports long-term engine performance.