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Toyota Rotors: OEM or Aftermarket?

Do you have a worn out or warped rotor? It’s time to ask yourself whether to get an OEM or aftermarket replacement rotor. You may be wondering if it even matters. The answer is yes. There’s a huge difference between OEM and aftermarket rotors in term of quality, performance, and more.

Rotors

Image Credit: Daryl D

Let’s talk about the ways OEM and aftermarket parts differ from each other.

1. Guaranteed Quality Vs. Questionable Quality

Some aftermarket rotors may be built with better quality materials than OEM rotors, but that doesn’t matter as much as you might think. The thing that matters is whether the rotor is built to be compatible with the OEM brake pads.

If you pair an aftermarket rotor with OEM brake pads, the rotor could overheat frequently and become damaged from it. The incompatibility is largely due to the the softness and hardness of both parts. For example, an aftermarket rotor that’s too soft for OEM brake pads can become worn or warped after only 10,000 miles. If an aftermarket rotor is too hard for OEM brake pads, the pads will get worn down fast and they won’t be able to grip the rotor as well.

You need a rotor that will work optimally with OEM brake pad materials, and OEM rotors fit the bill.

All that being said, OEM Toyota rotors are built with high quality metals made to last. So you can have a lot of confidence that an OEM replacement rotor will serve you well for a long time.

2. Exact Fitment Vs. Universal Fitment

When it comes to rotors, size matters. An aftermarket rotor that’s not built to OEM specs can cause performance issues. For example, an aftermarket rotor that’s a couple millimeters thicker than an OEM rotor may increase the sensitivity of the brakes. This due to the calipers and pistons squeezing the thicker rotor harder than normal. This affects how your brake pedal feels when braking and causes premature wear.

If you get aftermarket rotors that are too big in diameter, you’ll have to either return them or get bigger wheels and tires.

At least with OEM rotors, you know that you’re getting something that will fit your car perfectly each and every time. While replacing your rotors, you want a direct replacement and OEM is the way to go.

3. Comprehensive Warranty Coverage Vs. No or Bare-Bones Warranty Coverage

All genuine OEM Toyota replacement parts are backed by Toyota’s 12-month, unlimited mileage warranty. It’s pretty common for aftermarket parts to not even be covered by warranty. If you luck out and find an aftermarket part that’s warrantied, it’s likely that the warranty policy is bare-boned and doesn’t offer much protection. This is the reason why many aftermarket rotors are cheap.

When you look at the big picture, you’ll realize that OEM rotors are actually cheaper in the long run because:

  • OEM rotors are built to last much longer than aftermarket rotors.
  • In the rare event that your OEM rotor has a defect within a year of installation, you’ll get a new one for free. You can't really say the same about aftermarket rotors.

The Bottom Line: OEM Trumps Aftermarket

If you want an easy rotor replacement that won’t cause a whole bunch of problems in the near future, get a genuine OEM replacement rotor.

Where to Find a Genuine OEM Replacement Rotor For Your Toyota

OEM rotor

There are two places to buy a genuine OEM replacement rotor:

  1. A local shop or Toyota dealership
  2. Online from an authorized OEM parts seller

You’ll save money if you order your OEM replacement rotor online. A few OEM Toyota part sellers (like us) sell genuine parts at wholesale prices. Our OEM rotors are available for about 25% cheaper than the rotors you’d find at a shop or dealer. Check out all the rotors we have and see if there’s one for your Toyota model. Also, here are our top 5 best-selling rotors:

  1. Part No. 43512-0C020: For 2009-2018 Sequoia and Tundra models
  2. Part No. 43512-0E030: For 2010-2018 Highlander and Sienna models
  3. Part No. 43512-60191: For 2010-2018 4Runner models
  4. Part No. 43512-06150: For 2009-2018 Avalon, Camry, and Matrix models
  5. Part No. 43512-08040: For 2004-2010 Avalon, Camry, Sienna, and Solara models
Written by Jason Lancaster