Denso 234-8030 Oxygen Sensor - Downstream or Downstream Left

Reliable Oxygen Sensor for Hyundai and Kia Vehicles

The Denso OE Style 234-8030 oxygen sensor is designed specifically for select Hyundai and Kia models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 16.89-inch wiring harness for a secure and accurate fit.

• Heated oxygen sensor for faster response times
• Specific fit for Hyundai and Kia models including Optima, Palisade, Santa Fe, Sonata, Sorento, Telluride, and Tucson
• Threaded mounting type with 0.705-inch thread diameter
• 16.89-inch wiring harness length with 4 wires and male connector
• Part number 234-8030 from Denso's OE Style product line

About the Denso OE Style Product Line

The OE Style line by Denso offers replacement parts engineered to meet original equipment specifications. The 234-8030 oxygen sensor maintains the quality and fitment standards expected from factory components, providing a direct replacement that supports proper emission control and engine management systems in Hyundai and Kia vehicles.

Product Details and Specifications

This oxygen sensor is a heated type, which helps the sensor reach operating temperature quickly for accurate air-fuel mixture readings. It features a 16.89-inch wiring harness with four wires and a male connector, designed for specific fitment rather than universal application. The threaded mounting type with a 0.705-inch diameter ensures secure installation in the exhaust system. Compatible with Hyundai Optima, Palisade, Santa Fe, Sonata, and Kia Sorento, Telluride, Tucson models, this sensor supports emission control systems by monitoring oxygen levels in exhaust gases.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for engine control units
• Helps resolve rough idling and poor fuel economy
• Reduces emissions by ensuring proper catalytic converter function
• Prevents check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and drivability

Installation Notes and Tips

Ensure the vehicle is cool before removing the old sensor to avoid burns. Use the correct tools for threaded oxygen sensor removal and installation to prevent damage. Verify the connector gender matches the vehicle harness for a proper electrical connection. Follow torque specifications for the 0.705-inch thread diameter to secure the sensor without over-tightening.

Quality Assurance and Warranty

Denso's OE Style oxygen sensor 234-8030 is manufactured to meet original equipment standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed quality assurance to support long-term use in Hyundai and Kia vehicles.