240J belt. Fits newer model FDX 2.0, FDX 3.0 and 4010. It has 5 ribs.
***Please note if you have an older FDX 2.0, your belt may have 4 ribs. This belt is larger and will not work. If you belt has 4 ribs, please see the Amazon link to purchase. We've tested this belt to work on those models.
Please note, video below is for models FDX 3.0, 4010 and 2017 to current FDX 2.0 models.