2013 Acura ILX Engine: 2.4L L4;EngineCode: K24Z7; Molded Rubber; Thermostat To Water Pump Housing;. 2014 Acura ILX Engine: 2.4L L4;EngineCode: K24Z7; Molded Rubber; Thermostat To Water Pump Housing;. 2015 Acura ILX Engine: 2.4L L4;EngineCode: K24Z7; Molded Rubber; Thermostat To Water Pump Housing;.