Take care of your equipment with original manufacturer riding mower belts from MTD. When you need a deck or drive mower belt replacement, it's important to use the recommended part number and brand from your owner's manual. This puts less strain on your belt which causes less wear and damage to the belt and mower over time. Deck belts are responsible for the movement of your lawn mower blades, while drive belts propel your mower forward. Both are essential to the normal functionality of your mower. Find the deck and drive riding mower belts you need to keep your machine going from our selection of best-selling rider belts or the Part Finder on the left.