Control Arm (Also named A-Arm/A-Frame, Suspension Arm, Trailing Arm, Track Control Arm) is a guiding component of the suspension system. One end is connected to the subframe or body via a bushing, and the other end is connected to the knuckle via a ball joint.

Functions

· Transmits longitudinal and lateral forces between the wheel and the vehicle body.

· Controls the wheel motion path and maintains wheel alignment parameters (camber, toe, etc.).

· Withstands loads during braking, acceleration, and cornering.

Material

· Stamped steel plate welded structure, forged aluminum alloy, or cast iron.

Warranty & Quality Standards

· Quality Standard: Complies with IATF 16949. Critical inspection includes dimensional accuracy of mounting points, welding strength, ball joint starting torque, and fatigue life.

· Warranty Information: 2 years or 50,000 km quality guarantee (for cast and welded parts).

Customization (Samples or Drawings Accepted) Supports development according to customer drawings or scanned data. Offers different material options and lightweight design solutions, with matching ball joints and bushings provided.