Retail sale of parts and equipment happens in Littleton. This usually refers to vehicles, but can mean any mechanical device with replaceable parts. For vehicles, a number of parts can malfunction and need to be replaced or repaired. Some of the parts that may be available for sale include tires, windshields, valves, brake parts, and so on. A repair shop itself needs a number of equipment for carrying out the repairs, such as tire changer, compressed air delivery systems, wheel alignment tools, lifting equipment etc. These can be manufactured by a number of different companies. For parts, there may be some degree of specificity, whereby they need to be of a brand either manufactured by the vehicle manufacturer themselves, or by one whose specifications would work with the vehicle. Littleton retailers carry a large variety of both parts and equipment for sale.