The method to identify the authenticity of Sanyu water pumps is as follows:

First, the product packaging of the original water pump or supporting manufacturer is generally relatively standardized, with clear and formal writing and detailed product names. , specifications and models, registered trademarks, factory name, factory address and phone number, etc.; Counterfeit accessories generally have rough packaging, and the factory address and factory name are not printed clearly or completely.

Second, a qualified water pump has a smooth surface and good workmanship. The more important the spare parts, the higher the processing precision, and the stricter the packaging anti-rust and anti-corrosion. When purchasing, if you find that the parts have rust spots or the rubber parts are cracked or lose elasticity or there are obvious processing lines on the journal surface, they should not be original parts.

Third, inferior water pumps sometimes look good. However, due to poor production technology, it is easy to be damaged. When purchasing, you can see the quality of the accessories by observing the hidden parts such as edges and corners.

Fourth, some water pumps are refurbished with used parts. In this case, the old paint can be found by removing the paint on the surface of the parts. It is best not to use such water pumps. If such refurbished parts are used in important parts such as the braking system and driving system, it is easy to be dangerous.

Fifth, when installing the purchased spare parts into the car, it depends on whether they can be well matched with other accessories. Generally, original parts can be supplied to the car very well, but inferior parts have poor workmanship and large processing errors, so it is difficult for the parts to match well.

Sixth, in order to ensure that the assembly relationship of the water pump meets the technical requirements, some regular parts are engraved with assembly marks to ensure the correct installation of the accessories. If there are no marks or the marks are blurred and cannot be identified, it is not qualified. accessories.

Seventh, the regular water pump assembly and components must be complete and intact to ensure smooth loading and normal operation. Small parts on some assemblies are missing, which can easily cause difficulties in assembling the vehicle. Such accessories may be counterfeit.

Eighth, some important accessories, especially assemblies, generally come with instructions and certificates when leaving the factory to guide users in installation, use and maintenance. Counterfeit assemblies generally do not have detailed instructions. Installation instructions guide these.