Fire Truck Parts

Rear Axle Brake Rotor


In Stock


A rear axle brake rotor is a circular metal disc that is attached to the rear axle of a vehicle. It is part of the disc brake system, which is used to slow and stop the vehicle. When the brake pedal is pressed, the brake pads press against the rotor, which causes friction and slows the vehicle down.

The brake rotor is typically made of cast iron or steel. It is machined to be smooth and flat, and it has a series of grooves or slots cut into it to help dissipate heat. The rotor is also drilled with holes to allow air to flow through and cool it down.

The rear axle brake rotor is a wear item and will need to be replaced periodically. The frequency of replacement will depend on the vehicle, driving habits, and the environment in which the vehicle is driven.

Here are some of the signs that a rear axle brake rotor needs to be replaced:

  • The brake pedal feels spongy or goes to the floor when pressed.
  • The brakes make a squealing or grinding noise when applied.
  • The vehicle pulls to one side when braking.
  • The brake rotors are warped or cracked.

If you notice any of these signs, it is important to have the rear axle brake rotors inspected by a qualified mechanic.

Here are some of the factors that can affect the lifespan of a rear axle brake rotor:

  • The type of material the rotor is made of. Cast iron rotors are more durable than steel rotors, but they also tend to warp more easily.
  • The driving habits of the vehicle owner. Drivers who brake hard or frequently will wear out the rotors more quickly.
  • The environment in which the vehicle is driven. Driving in dusty or dirty conditions can accelerate the wear of the rotors.


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