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Pontiac Grand Prix Control Arms and Parts

Control arms might not be the most widely known car parts, but they are important for the suspension system of your Pontiac Grand Prix. If your car’s odometer reaches 90,000 to 100,000 miles, you notice uneven tire wear, and it rides less smoothly than you are used to, you may need to replace the control arm and related parts. Consider a few things prior to buying Pontiac Grand Prix control arms and parts.

What do Pontiac Grand Prix control arms do?

The control arms on your Pontiac are A-shaped components connected to the vehicle frame and the suspension in order to absorb shock as you drive your car over rough terrain. Each branch of the A shape holds a bushing, which is a pillow of rubber or polyurethane between the control arm and the wheel suspension. Bushings can become fixed to the metal components, and the main body of the control arm can corrode over time, which reduces the ability of your car to absorb shock.

What types of control arm parts are available?

Different models of control arms and parts are available. Most components have a matte black finish, but other colors and finishes that coordinate with the trim of your vehicle are also available.

  • Lower control arms: These are found on all Pontiac Grand Prix model years, and they are specified for mounting on either the left or right side.
  • Upper control arms: The presence of these depends on the strut assembly. If your Pontiac Grand Prix has both upper and lower control arms, it is said to have a double wishbone suspension system.
  • Stock Grand Prix arms: These are wide and light because they are stamped out of one metal piece.
  • Performance Pontiac Grand Prix gear: This is tubular, rigid, and slimmer, to accommodate higher clearance and tighter turns at high speeds.
What gear comes in a kit?
  • Stock kits: These contain the control arm, bolts, bushings, ball joints, eye rings, and nuts.
  • Performance Pontiac kits: These may also have ball joint pins and casters.
How do you select the right parts for your Pontiac?

Considering the function and types of Pontiac Grand Prix control arms available can help you choose the right parts for your car.

  • Select control arms for the left or right side as well as the front or rear of the vehicle.
  • Select a kit with all the required gear and vehicle model year part numbers.
  • Select stock or performance parts.