- S Gauge Parts
S Gauge Parts
Trainz has a great selection of S gauge train parts. We carry new and used American Flyer train parts, the new Lionel S gauge parts, as well as all the other brands you are familiar with: American Models, S-Helper Service, MTH, and more. You will find motors, reverse units, gears, smoke units, wheels, trucks, light bulbs, control buttons, boxcar doors, and more. We hope you will find what you need here to fix your accessories, steam locomotives, diesel locomotives, operating cars, and transformers.