This Schumacher Racing Products factory replacement 20-tooth side gear is designed for the Cat L1R drivetrain. It fits into the gearbox assembly and is a direct replacement for worn or damaged internal gears. Keeping this component in good condition is essential for smooth and reliable power transfer through the drivetrain. Features: 20-tooth side gear Designed for the Schumacher Cat L1R gearbox Internal drivetrain replacement part 7/7/26 cs