The MTD 954-3073 Riding Mower 42" Deck V-Belt transfers engine power to the mower deck for smooth and efficient blade operation. Designed as a replacement 42-inch deck V-belt, it fits compatible MTD riding mowers and lawn tractors to connect the engine pulley with the mower deck drive system. It works by maintaining proper tension and grip between pulleys to deliver consistent rotatio... https://www.wholetoolbox.com/mtd-954-3073-riding-mower-42-deck-v-belt