Although we recommend owners to replace or refit auto parts in formal 4S store, but often due to the high prices of auto parts sold by the 4S shop, many owners choose to buy auto body parts on their own, then we should open wide our eyes to identify the authenticity.
Firstly, check whether the trademark symbol is complete
The packaging quality of genuine auto parts is good; the overprint on the box is legible and bright. The packaging box and bag should be marked with the product name, the specification model, the number of registered trademarks, the factory name, factory site and phone number, and some manufacturers also create their own mark on the accessories. Some important Subaru Car Parts such as the generator, distributor and fuel pump should come with manual, certification and inspector chapter, which guides the user through the correct use and maintenance.
Secondly, see whether the geometry dimension has deformation
Some parts are easy to produce deform due to manufacturing, transport, improper storage. When you check, you can scroll circle the shaft parts along the glass plate to see whether there is light leakage at the bonding of the parts and glass to determine whether it bends; when selecting clutch plate steel or friction plate, you can held steel, friction piece in front to observe whether it warps; when you buy the oil seal, the oil seal end face with a skeleton is positively round, which fits with flat glass without flexing.
Finally, check whether the surface of the parts has corrosion
The surface of qualified spare parts has both precision and shiny finish, the more important the parts, the higher the accuracy, the more stringent rust-proof and corrosion-resistance of the packaging. At purchase, you should be careful to check subaru car parts, if the parts have rust spots, mildew spots or rubber pieces cracking, loss of elasticity, or the journal surface has cutters lines, then they should be swapped.
Check whether the protective surface is intact
Most of the parts are coated with protective layer before being shipped out of the factory, such as piston pin and bearing is protected by paraffin; piston rings, cylinder liners are coated with anti-rust oil and wrapped with wrapping paper; valve, piston dip antirust oil encapsulated in plastic bags. At the time of purchase, if the gland is damaged, wrapping paper lost, anti-rust oil or paraffin lost, then the parts should be returned.
Check whether the glued parts are loose
The parts combined by two or more parts are press-fitted, glued or welded, which does not allow loosening between them. For example, the pump plunger and the regulating arm is mounted by press combinations; clutch wheel is combined by steel plates with steel riveting; the friction plates are riveted or glued with the steel riveting; paper filter element skeleton and filter paper are glued; thrum of electrical equipment is welded. If you find loose of the parts when you purchase, then should swap them.
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