Parts of genuine oil filter:
1. Support spring: formal tooling made of.
2. Bypass valve: Open when pressure overload, to ensure that the engine lubricating oil.
3. Filter paper: Imported high-quality filter paper, high precision, long life, high burst resistance.
4. Center tube: Brand steel spiral, pressure performance.
5. Cover: high-quality steel, galvanized surface, high-quality adhesive and filter bonding, temperature resistant medium, strong adhesion.
6. Check valve: to prevent engine oil back to stop working.
7. Flange: high-quality steel, high strength, smear sealant before the package to prevent the seal leakage and internal leakage.

Seals: high-quality nitrile rubber, high temperature, low temperature performance, to ensure that the seal.