OEM vs. Aftermarket Parts: What’s Better?

One saves you money, the other saves you hassle.

When getting a vehicle repaired or serviced, you may be presented with the option of using Original Equipment Manufacturer (OEM) parts or aftermarket parts. As its name implies, OEM replacement parts are tested by the automaker that installed them on your car or truck at the factory when it was new. “Aftermarket” describes parts that perform the same function, but are produced by a third party.

 

Which parts are the right ones for your vehicle? Here’s a look at the differences between OEM and aftermarket car parts.

 

COST CAN BE A FACTOR — BUT SO CAN QUALITY

It’s not uncommon for third-party auto parts to be less expensive than those offered by the manufacturer.

 

Cheaper aftermarket parts sometimes save on cost by cutting a few corners. Third-party body panels, for example, might not use as much steel or aluminum as the originals, which means they may not resist corrosion or wear as well.

 

Other times, however, the cost savings result from volume, as an aftermarket company can serve many different automotive brands at once, reducing production costs that are then passed on to the buyer. Competition from other providers — not something an OEM supplier faces — also works to keep prices lower than what you’ll find at the dealership.

 

There are even aftermarket car parts that are considered “direct replacements” that match or exceed the original specification. These components are sometimes even used in warranty repairs, and function identically to their OEM equivalents, despite costing less.

 

WHICH IS BETTER?

More affordable aftermarket parts appeal to your pocketbook but require research. With so many brands available, choosing the right one can feel overwhelming, and often requires the assistance of a trusted mechanic with experience using multiple suppliers.

 

OEM parts are guaranteed to fit and almost always come with a manufacturer-backed warranty. They may cost more than what the aftermarket offers, but the trade-off is a likely simpler purchase process.

 

If you’re looking for a fast, simple experience and don’t mind paying extra, OEM is often the way to go. If you prefer to improve on the performance the originating factory delivered, or if you’d rather dig into your options and save some money by selecting a quality replacement, aftermarket components can be more appealing.

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