The Mtd 603-06899-0637 Lawn Mower Deck Idler Bracket provides secure support for the deck idler pulley, helping maintain proper belt alignment and consistent cutting performance. This replacement bracket works by holding the idler pulley in the correct position, allowing the drive belt to maintain the proper tension as the mower deck operates. Its sturdy construction helps reduce belt... https://www.wholetoolbox.com/mtd-603-06899-0637-lawn-mower-deck-idler-bracket/603-06899-0637.html