When you’re getting a repair carried out a garage, you are allowed a say on the parts being used, and you should always be inquisitive when it comes to the part and the price. OEM car parts (original equipment manufacturer) are the genuine article, and these will serve you better than non-OEM parts in the long run.
Some garages will carry out repairs using generic parts, but they’re going to need replacing a few years down the line and you should never have to pay over the odds for a general car part. Some garages will only use OEM parts and if you choose this type of mechanic you’re going to be guaranteed parts that are designed to last.
If you want your car to last then you quality parts and always avoid installing generic items, so make your voice heard when you’re in a garage.