Introduction of auto suspension idler arm
The Idler Arm, also known as idler arm assembly, is a pivoting support for the steering linkage in an automobile with conventional parallelogram steering.
Generally speaking, it consists of a rod which pivots on a bracket attached to the frame of the vehicle on one end and supports a ball joint on the other end. An idler arm is attached between the opposite side of the center link from the Pitman arm and the vehicle's frame to hold the center link at the proper height.

Structure of Idler Arm
The idler arm assists the pitman arm by supporting the steering linkage as it moves in the direction controlled by the steering gear. There are a few vehicles use two idler arms. And as for its structure, it consists:
A bracket, an arm that connects the bracket to the center link of the steering linkage
An internal pivot bearing

Application of Idler Arm
The idler arm is used on vehicles with conventional suspension systems and parallelogram steering, which are virtually used on all rear-wheel-drive vehicles and many light trucks.
Our Idler arms are already adopted by various worldwide famous brands of automobile, such as:
DAIHATSU, MAZDA, BUICK, DODGE, MITSUBISHI, CHEVROLET, FORD, NISSAN, TOYOTA, and ISUZU.