Acdelco s professional series line of brake rotors are well made inexpensive and coated for rust prevention making them a good choice for.
Polymer coated brake rotors.
But the truth is not all brake rotors have to be hideous.
Tested to withstand 400 hours of salt spray equivalent to 18 southern michigan winter months coated brake rotors edges and vanes stay cleaner longer optimizing air flow and performance.
This exposes a ring of steel where the brake pad and the brake rotor meet.
Perhaps it s just coincidental that the coated ones come with a 3 year warranty.
The paint wares off the surface where the pads touch and then stay on the other bits of the rotor to prevent surface rust.
There is no easy answer as there are so many different types brands of ceramic and polymer coated rotors out there and they all claim top durability and performance.
Geomet brake coating is the highest quality of brake rotor coating on the market today.
But with new products like coated brake rotors it s a little easier.
This slows the corrosion process but barely.
There is a reason brake rotors develop rust and start looking like ancient archeological dig items after a few months but that s not something we have.
I bought it at autozone for 42 each.
When the rotor is used on the vehicle for the first time the layer of geomet over the braking surface is easily rubbed away by friction.
The coating is basically just for looks.
Some manufacturers use the same cheap brake rotor and paint a coating or even worse powder coat them.
The specially formulated polymer coating is applied to the entire rotor offering total protection for optimal performance and longer life.
Not all rotors are created equal.
Brake rotors aren t exactly known to be the cleanest part of the car.
Autozone rotors carry a 2 year warranty then pro rated.
Or perhaps your mechanic is a dick.
In fact the brake rotors often become these ugly little gremlins that you are forced to accept as part of your car.
Surface rust won t hurt anything it just doesn t look nice.
Search for info in my other thread on diy front brake rotor.
Even with coated brake rotors the quality varies.
Rust on your vehicle is inevitable in canada including on components like brake rotors.
The brake pad is life time warranted as long as you own the vehicle.
I have been using autozone front rotors now for 2 years smooth like a baby.
Napa brakes ultra premium 100 polymer coated rotors.
After the coating cures it ends up as a thin dry film approximately 8 micrometers thick and gives the rotor a metallic silver look.