If the supplier sends you a wrong component, you wouldn't be able to tell until the mechanic is going to replace the old part, which means the car is lifted up on jack or on the lift. However, if you have some basic knowledge, online shopping can prove to be a boon and can save you lots of money.
The 24hr parts store is a good place to start to get the items you need to do the job. They can offer helpful advice, if you have any questions about the maintenance jobs you plan on doing.

When shopping for motorcycle parts, you need to be sure of your bike model. Aside from this, you need to be sure whether your bike is using the original stock engine or if the engine is an aftermarket engine. Sometimes the same models have different engine configurations. You also need to identify the part name and the serial number. This will prevent delays that happen when you have to return the item to the seller. Returns take time and you can be spending some amount of money on the courier. You also need to decide before hand whether a genuine replacement part will do or an aftermarket part will do.
This should be your first stop in your search for Jeep replacement parts. Every city has at least one major parts store, and this is where you should begin your search. If they don't have what you need in the store, they may be able to order it for you and get it to you within a few days. Big name parts stores cost a bit more than other parts stores, but they are more likely to be able to help you.
Furthermore, two hands are still and will always better than one. There are just some things you know that he doesn't know and vise versa. He possibly has bumped into a car store one day and saw something that you might like.
There come at a bargain price in the market. Therefore if you are looking for automotive parts for your vehicle then you can very easily get them in the market. You don't have to worry about the authenticity of the parts because these parts are taken out of a regular automobile of the same company. The only reason why it so cheap is you are getting it in the aftermarket from a vehicle that is not going to run anymore. The parts are however still very much original.
While auto parts near me are a great option, there is a better one. Take a visit to your local auto salvage yard. Getting parts here could not be easier. Most of the times they are available of the shelf for the more common auto models, if not you can either search the wrecking yard yourself or an employee will retrieve the part that you require.