Part Type: Engine Coolant Temperature Sensor. Engine Coolant Temperature Sensor. 2013 Volkswagen Golf Engine: 2.0L L4;. 2013 Volkswagen Golf Engine: 2.5L L5;. 2015 Volkswagen Golf Engine: 1.8L L4;. 2015 Volkswagen Golf Submodel: TDI SE; Engine: 2.0L L4; Located in Lower Radiator Hose;.