1, not clear about the specifications of the parts, be sure to look at the vehicle's certificate of conformity, instruction manual, engine certificate, etc., there is to look at the car's nameplate, the engine's nameplate, the vehicle's model, the factory date, factory number, etc., to choose the same model to buy. Here to remind, the same factory production of similar models of engine parts are not necessarily common.
2, the purchase of accessories, should try to use the scientific name or some of the titles that we can understand. Some often mess to auto parts named, do not use the standardized name of the parts, and therefore will buy the wrong material, such as some users have 6 forward gears, a reverse gear FAW production transmission called 7-speed transmission, the 5 forward gears, a reverse gear transmission called 6-speed transmission.
3, the purchase of auto parts to the reputation, service and other good parts distribution units to buy, like the purchase of the car as much attention to the choice of business. Can not because of good relations with the dealer, go to buy his parts.