The Stabilus Hatch Shock - 012158 is a gas-filled shock absorber designed for use in hatchback vehicles. It is responsible for controlling the opening and closing of the hatch, providing a smooth and controlled motion. This product is made with high-quality materials and is designed to withstand frequent use and extreme weather conditions. It is a direct replacement for the original hatch shock and is easy to install. The Stabilus Hatch Shock - 012158 is an essential component for ensuring the proper functioning of a hatchback vehicle's hatch.