Check the listing for details. Oxygen Sensor CX13686 Premium Replacement O2 Sensor Universal. Condition: New – Open box. Listed at 24.95 USD. The CX13686 Oxygen Sensor is engineered to provide reliable air-fuel mixture monitoring for modern engine management systems. This replacement O2 sensor delivers stable, accurate readings using a precision-built sensing element that communicates essential oxygen data to the vehicle's ECU. Designed with high-temperature materials and reinforced construction, the sensor withstands the harsh conditions of the exhaust stream. Featuring a direct-style electrical connector and durable protective housing, the CX13686 sensor is built for long-lasting operation and consistent performance. It assists in maintaining efficient combustion, smooth engine operation, and proper emissions function when matched correctly by part number and connector type.