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That depends on which part. Usually, no, it's not better.
Many NON-GM parts are manufactured by the same company that manufactured the original parts. GM and in fact most auto manufacturers contract with outside companies to provide parts. When you buy "genuine GM parts", it just means that the parts have gone through their distribution process and GM gets their markup.
This is a good example of why you don't always want to believe the advertising.
ON THE OTHER HAND...
some replacement parts are manufactured using inferior quality procedures and materials. You need to learn how to do the research for yourself and find out what's OK.
For example, suspension and brake parts must meet specifications that are typically established by the manufacturer, and after market products often exceed the manufacturers specifications, but many replacement body panels are manufactured of inferior metals. Your only defense is to be informed.
What else can I help you with?
Are manufacturer's car parts better than aftermarket auto parts?
Yes, manufacturer parts will be the best. Aftermarket parts are there for a reason, and so it's best to get them straight from the manufacturers if possible.
Where do Cubans buy there auto parts?
Local auto parts manufacturers, suppliers, dealers; from overseas factory, or through the Internet.
Are auto manufacturers required to provide replacement parts for cars they no longer produce please elaborate?
auto manufacturers are only required to produce parts for a couple of years after models go out of production, however you can buy after market parts for most vehicles
What are some auto part companies that begin with the letter K?
KOI Auto Parts is a chain of retail stores selling auto parts. The Keihin Corporation manufacturers carburetors.
What are some manufacturers in the auto industry?
"Manufacturers in the auto industry include Ford Motor Company, General Motors, Honda, Toyota, and Nissan. Other auto manufacturers include Volkswagon, Hyundai, Suzuki, and Renault."
Where can you buy 1990 Dodge parts?
You can try to find 1990 Dodge parts online. There are many auto parts manufacturers online selling their parts.
Where can a CVT transmission be bought?
CVT stands for 'continuously variable transmission'. This car part is available from certain auto parts stores and manufacturers. Places to try include Aliexpress, Advance Auto Parts, and Makco Transmission Parts.
Which is better for auto repairs reconditioned parts or rebuilt parts?
rebuilt parts mechanic for 11 years
Where can I purchase auto parts to repair a Mazda B2000?
One could purchase auto parts to repair a Mazda B2000 from the Mazda B2000 Auto Parts online catalog. Other places to purchase auto parts to repair a B2000 would include O'Reilly Auto, Advance Auto Parts and also Auto Parts Wearhouse.
Where are some places to purchase tail lights?
You can usually order tail lights for most vehicles through your local auto parts store. Major retailers will offer most vehicles online such as Pep Boys or Advanced Auto Parts. There are several aftermarket manufacturers that offer tail lights for major vehicle brands. You can also order factory parts direct from most manufacturers.
How do you pack bearing?
You can do it by hand, but its better to just get the tool from the auto parts.
Where do you get parts for Mercury Capri XR2?
Napa, Auto Zone, Advanced Auto, Pepboys, O'Reilly Auto Parts, or pretty much any parts provider. XR2s are not that old, and while Ford/Lincoln/Mercury stops producing factory parts typically after ten years, many after market manufacturers will continue to produce parts for awhile after that, and many F/L/M parts are interchangeable between models.
