All of the following are parts of the wheel cylinder EXCEPT:

A) cups
B) dust boots
C) pistons
D) anchor

Wheel Cylinder

A component in drum brakes that pushes the brake shoes against the drum to stop the vehicle.

Dust Boots

Protective covers placed over joints or mechanisms to prevent the ingress of dirt and debris.

Anchor

A device, usually made of metal, used to connect a vessel to the bed of a body of water to prevent the craft from drifting due to wind or current.