--Brand-new high quality aftermarket replacement drive belt tensioner assembly --Compatible with: Stihl TS400 saws --Replace OEM #4229 664 4200 --Package item as picture shown --Please check the appearance size model carefully with your machine before your ordering. What you see in the picture is what you will receive. --If you need assistance or have any question about the products please feel free to contact us. This is a brand-new high quality aftermarket replacement drive belt tensioner assembly for TS400 cut-off saws. Please check the appearance size model carefully with your machine before your ordering. What you see in the picture is what you will receive.