OEM vs Aftermarket Parts: What's the Real Difference?
Apr 2, 2026 · Dana Osei
OEM (original equipment manufacturer) parts are made to the exact spec your car shipped with. They're a safe, predictable choice, especially for parts tied closely to safety or emissions.
Aftermarket parts are made by third-party manufacturers and range widely in quality. Some are engineered to meet or exceed OEM spec at a lower price; others cut corners.
For wear items like brake pads and sensors, a reputable aftermarket brand can be a great value. For structural or safety-critical parts, sticking closer to OEM specs is usually the safer bet.
We list the material and construction for every part in our catalog so you can make an informed call either way.