Mazda6 Rear Oxygen Sensor L36D-18-862 Efficient and Durable

This rear oxygen sensor is designed for 2002-2008 Mazda6 (2.0L/2.3L) and also fits Mazda3 (2004-2009, 2.0L/2.3L) and Mazda5 (2005-2010, 2.0L/2.3L). It monitors exhaust oxygen content and feeds ECU to optimize air-fuel ratio, ensuring efficient operation and reduced emissions. OEM number L36D-18-862; verify compatibility with the original part number. Replacement difficulty: medium; use a specialized oxygen sensor socket to avoid thread damage; applying anti-seize compound before installation can extend life. For B2B buyers, this sensor uses high-temperature ceramic elements, with strong heat resistance; suitable for high-mileage vehicles; bulk discounts available.