The Husqvarna 575658406 Lawn Mower Deck Belt helps transfer engine power to the mower deck for smooth blade operation and consistent cutting performance. This replacement belt runs through the deck pulley system to drive the cutting blades when the mower deck is engaged. Proper belt movement and tension support efficient power transfer and reliable mowing operation. Replacing a worn o... https://www.wholetoolbox.com/husqvarna-575658406-lawn-mower-deck-belt/575658406.html