The term SERVICE-STATION ITEM can be broken down into two crossword solutions: TIRE (4 letters) and OIL (3 letters). Tires are a necessary component of any vehicle, as they provide the traction and cushioning needed to drive safely. OIL is an essential lubricant for engines, helping to reduce friction and wear on the engine's components. Both tires and OIL are common items found at service stations, and are necessary for the proper maintenance of a vehicle.