Rein Automotive OE temperature sensors are made to factory specifications ensuring proper fit, form and function. The temperature sensor is used to report exhaust temperatures to the vehicle's ECU. The vehicle uses this information to control engine and emission parameters. Rein temperature sensors include a vehicle specific connector that fits directly into the factory plug. Our quality temperature sensors aim to provide the professional repair technician and vehicle owner the peace of mind and trust that is expected from an OE component.