Abstract: Internal combustion engine is an engine that is old enough and today has much alternative energy that is found to shift from the role of motor fuel. The cooling system in internal combustion engine. if not handled properly will cause something that is fatal is the occurrence of overheating. Cooling during this time using the fin and radiator. https://www.ngetikin.com/limited-buy-LA-Williams-Belial-Dragon-by-LA-Williams-Google-Pixel-2-Skin-p114135-best-save/