Control Arm (Front Upper Right), KK (52125112AE)

Control Arm (Front Upper Right), KK (52125112AE)

The Control Arm (Front Upper Right), KK (52125112AE) is a key suspension component engineered for vehicles such as the hJeep Liberty (KK: 2008–2012) and the Dodge Nitro (2007–2011). Manufactured as a genuine Mopar OEM part, this right‑side upper front control arm is designed to meet factory standards for strength, durability, and precise fitment. It plays a critical role in maintaining proper suspension geometry, steering responsiveness, and ride stability, especially under load or during cornering.

Located on the upper front passenger side of the suspension assembly, the 52125112AE control arm connects the vehicle’s frame to the steering knuckle. Its primary role is to guide and limit the motion of the front suspension through vertical and lateral travel. When the vehicle encounters bumps, road imperfections, or sharp turns, the upper control arm works in conjunction with the lower control arm to maintain proper wheel alignment and tire contact with the road. This ensures predictable handling, improved braking performance, and enhanced overall control.

Constructed from high‑strength steel, the control arm

Constructed from high‑strength steel, the control arm is built to withstand repeated stresses

from acceleration, braking, and lateral forces during driving. The included bushings help

absorb road shock and vibration, reducing the transmission of harshness and noise into the

vehicle cabin. The robust metal design resists bending, cracking, and corrosion that can occur from prolonged exposure to moisture, road salt, hand debris.

Part number 52125112AE replaces earlier versions such as 52125112AD, incorporating

design improvements aimed at long‑term reliability. It is typically sold individually but

should be replaced in pairs (both right and left upper control arms) when servicing a worn suspension system to ensure even alignment and balanced performance.

Over time, upper control arms can wear due to normal use and environmental factors.

Common signs of wear include loose steering feel, clunking noises when driving over bumps,

uneven tire wear, and misalignment. If not addressed, worn control arms can lead to

accelerated wear of other suspension components and diminished vehicle stability.

Installation of the 52125112AE generally requires basic suspension tools, proper torque

specifications, and a professional wheel alignment after installation to restore correct

handling characteristics and tire life.

In summary, the Control Arm (Front Upper Right), KK (52125112AE) is an essential

component for ensuring suspension integrity, ride comfort, and handling precision in compatible Jeep and Dodge vehicles.