A metal strut on the suspension, which is located at the top and bottom of the wheel spindle. The upper and lower control arms allow the front wheels to change direction. Also called a "wishbone" or "A-arm."

Pivoting suspension components mounted between the frame (or uni-body) and the wheels.

also called "A-arms" because of their shape, are found on all IFS suspensions listed in this catalog except for the Ford TTB. There is one upper and one lower arm on each side. They have a balljoint on the outboard end, and connect to the frame on the inboard end.