According to a study performed by Warranty Direct - an established extended vehicle warranty company - the most prone car parts to wear out within a typical manufacturer's warranty period are the suspension arms, so says autoevolution. A close 2nd and 3rd place are ball joints and steering racks. Gearboxes, the most expensive fix, came in 10th. Here is the list of the top ten most common wear and tear repairs:Suspension arms 5.86%
Ball joint 3.89%
Steering rack 3.88%
Turbo 2.18%
Water pump 2.07%
Wheel bearings 1.86%
Fuel pump 1.38%
Flywheel 1.05%
Injector 0.86%
Automatic Gearbox 0.38%
