The Meyle Power Steering Rack Boot - 1004220003S is a protective cover for the power steering rack in a vehicle. It is designed to prevent debris, dirt, and moisture from entering the steering rack and causing damage. This boot is made of durable materials and is specifically designed to fit the 1004220003S model. It helps to maintain the proper functioning of the power steering system and prolong its lifespan. This product is essential for ensuring smooth and safe steering in a vehicle.