Stepper Internal Motor Gear for GMC. The Car Step Internal Motor Gear, code FD112863, is designed to increase the efficient performance of your vehicles. This product stands out with its durability and longevity, never experiencing a decrease in performance. It is the ideal choice for maximizing your vehicles' performance. The Car Step Internal Motor Gear is resistant to deformations that may arise from constant use. The product ensures high efficiency while driving and extends the life of your vehicle. Furthermore, thanks to its high-quality material, it offers maximum durability and reliability. This gear gives your vehicle extra power and speed while also improving fuel efficiency. The Car Step Internal Motor Gear is designed for maximum performance and is an excellent investment.