What are the car maintenance products?

Common automobile maintenance products include: fuel system cleaning agent, air intake system cleaning agent, air conditioning system cleaning agent, ternary cleaning agent, power steering system cleaning agent, power steering system full protective agent, gearbox cleaning agent, gearbox protective agent and other series. The following is the relevant information: 1, engine oil is the lubricating oil for engine operation: it can lubricate, clean, cool, seal and reduce wear of the engine. It is of great significance to reduce the wear of engine parts and prolong the service life. 2. The oil filter element is a component for filtering the oil: the oil contains a certain amount of colloid, impurities, moisture and additives; Metal chips, impurities in the inhaled air, oil oxides, etc. generated by the friction of various components during engine operation. Does the oil filter element filter everything? If the oil directly enters the oil circuit without filtering, it will have a negative impact on the performance and life of the engine.