Hyundai Kia Oxygen Sensor 39210-3E210/39210-3E110 Replacement 234-4429 Stable Output

Modern Kia Hyundai oxygen sensor 39210-3E210/39210-3E110 uses OEM-consistent zirconia ceramic sensing element and high-temperature resistant stainless steel housing; materials and welding processes fully align with OEM standards. Real-world signal response speed and durability meet OEM levels. Compatible with OEM numbers 39210-3E210, 39210-3E110 and substitute 234-4429; suitable for various 1.6L/2.0L engines under Hyundai/Kia, such as Elantra, K3, Sportage, etc. Core function is to monitor exhaust oxygen content in real time and feedback air-fuel ratio signals to the ECU to ensure engine combustion efficiency and emissions compliance.