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A suspension linkage formed in the shape of an A or V found commonly on the front suspension.
– The sides of the two legs of the A-arm are connected to the chassis by rubber bushings and the peak of the A-arm is attached to the wheel assembly.
– In this way, the wheel can freely move up and down.
– Sometimes there is an upper A-arm, a lower A-arm, or both upper and lower A-arms.
– The British call it a wishbone.
See
double wishbone
double a-arm