1. First, you need to pay attention to the material of the oil pressure valve. In general, the common materials of the oil pressure valve are: aluminum alloy, stainless steel, etc. The quality of the material directly affects the service life of the valve. Secondly, the quality of the parts is also very important. In order to ensure the use effect, when purchasing, you should choose a brand manufacturer. In order to avoid purchasing inferior products, it is best to purchase online. 2. After the oil pressure valve is installed on the car, there is no sound. There may be problems with the valve core of the oil pressure valve, which needs to be replaced. There may be other problems with the oil pressure valve, such as air bubbles in the oil pressure valve or oil leakage of the oil pressure valve, which should be checked. Also, the oil pressure valve may be installed incorrectly, which needs to be reinstalled. Finally, the engine may be damaged, so a professional repair company can be selected for a check. 3. Oil pressure valve is an essential component of the engine. If the oil pressure valve is not working properly, it will cause serious damage to the engine. In general, oil pressure valves are installed in the engine block, which are directly in contact with the high temperature environment, and the service life of ordinary materials is limited. Therefore, when purchasing an oil pressure valve, it is important to select a high quality, high temperature resistant, and long service life oil pressure valve. In addition, during the use of the oil pressure valve, attention should be paid to regular cleaning and maintenance to prevent blockage and ensure the normal operation of the oil pressure valve. 4. The oil pressure valve should be replaced regularly. Due to the long-term high temperature working environment, the service life of the oil pressure valve is limited. Therefore, the oil pressure valve should be replaced regularly to ensure the normal operation of the oil pressure valve. When replacing the oil pressure valve, it is recommended to choose high-quality oil pressure valves and avoid replacing oil pressure valves of inferior quality, which may cause damage to the engine. Finally, during the use of the oil pressure valve, regular checks and maintenance should be carried out to ensure the normal operation of the oil pressure valve. Why buy products of pcv valve on Aliexpress? We have a wide variety of products, very friendly prices and customer-oriented service. We have promotions almost every day, and free shipping. Continuously improve your shopping experience. If you are interested in pcv valve, you can click on the picture to learn more about them. Before completing your order, take a moment to review the coupons and you‘ll save even more time and money on spend find pcv valve. Please confirm these promotions before purchasing to ensure that you can get the most satisfactory product at the best price. On AliExpress, there are many discount seasons. During this time, the price of goods will be more favorable, and there are more promotions waiting for you! See more details about pcv valve in AliExpress Video Page.