Factory Lambda O2 Oxygen Sensor 234-4448 / 39210-2G550
Precision-engineered for optimal performance, this high-quality oxygen sensor ensures accurate air-fuel ratio measurement, enhancing engine efficiency and reducing emissions. Constructed with a durable zirconia ceramic sensing element and stainless steel housing for superior heat and corrosion resistance, guaranteeing long-term reliability in harsh driving conditions. Direct-fit replacement for Kia Optima, Hyundai Sonata, Tucson, and Sportage models, ensuring seamless installation without modifications. Ideal for DIY enthusiasts and professional mechanics seeking OEM-level quality. Backed by rigorous testing to meet strict OE specifications, delivering smooth idling, improved fuel economy, and consistent engine power output. Buy in bulk for unbeatable wholesale pricing—perfect for auto repair shops, retailers, or fleet managers stocking up on premium-grade parts. Global shipping available.