How to verify the original factory when the door is changed, where to see the original factory door number

If the car door is damaged and deformed in a large area after a violent collision, it is safer to replace the car door than to repair it.However, the door is divided into the original factory and the subsidiary factory. The original factory is the parts produced by the main engine factory, which is the designated automobile factory.businessProduced; and the subsidiary factory is a non-specified car manufacturer's accessories. There are many differences between the two. The original factory is better than the sub-factory. How to verify the original factory is the key to avoid being shoddy and damaging your own interests.

It is difficult to distinguish the original factory and the subsidiary factory from the naked eye on the car door alone, but the original factory can be verified by the door number. Generally, the door code will be on the inside of the door, and you need to remove the door trim to confirm it. You can go to the 4S shop for operation, or go to the dealer, and let the relevant personnel check it for you. In addition, it can also be verified from the aspects of the material, thickness and weight of the door. Generally, the material, thickness and weight of the original door are better than those of the sub-factory. After the door is installed, you can distinguish the original from the matching degree of the accessories in the door of the car. Factory and subsidiary factory.

Generally, the doors of 4S shops are the original factory. Many 4S shops do not allow the use of auxiliary factory parts to repair the vehicles, and the outside repair shops are generally auxiliary factory parts. The processing accuracy and manufacturing materials of the original car doors are the same as the original ones, and the quality also meets the automobile manufacturing standards, but there are also differences. The only difference is in the painting. The original factory is painted with the entire car, and the original factory does not paint. They are all replaced with separate spray paint later.

Due to the difference between the original factory and the sub-factory, the original factory is better than the sub-factory. The sub-factory has different stamping dies from the original and the original factory. There will be a gap in accuracy, and the material is different and the rigidity is different. Usually The door iron sheet of the subsidiary factory will be a little thinner, and some anti-corrosion processes will not meet the requirements of the original factory, and the price is generally cheaper. Therefore, it needs to be verified after replacement to avoid being shoddy by the auxiliary factory door.