马自达8 2.5L 氧传感器 L3AN-18-861 原厂品质 灵敏响应

This oxygen sensor is designed for Mazda8 2011-2015 2.5L models; perfectly matches OEM spec to ensure precise control of air-fuel ratio. Core function: real-time monitoring of exhaust oxygen content and feeding ECU to adjust injection, improving fuel economy and reducing emissions. OEM: L3AN-18-861; identical to OEM; cross-check stock quickly. Replacement difficulty medium; use dedicated socket; clean threads and apply anti-seize. As a B2B product, uses OEM-quality chips with responsive signal; suitable for bulk purchase for repair shops or parts wholesalers to reduce oxygen-sensor-related fault codes.