... , guarantee against leak.The reliefvalve : When the engine flame out, it can prevent the oil filter ... it can produce immediate pressure, supply oil lubrication engine.About Our Company As a specialized manufacturer and exporter ... many brands, such as GM, ISUZU, TOYOTA, NISSAN, HONDA, HYUNDAI, FORD, MAZDA, SUBARU, CHRYSLER, SKODA, BENZ, AUDI, FIAT ... ! Oil Filter Of Qinghe Junwei Components Co., Ltd.