The Murray 7100425SM 44" RZT Lawn Mower Drive Belt EL, 13 helps transfer engine power through the mower’s drive system, supporting smooth and consistent operation. Designed as a replacement drive belt, it works with the pulley system to transmit rotational power to the appropriate mower components during use. Replacing a worn, stretched, cracked, or damaged belt can help restore prope... https://www.wholetoolbox.com/murray-7100425sm-44-rzt-lawn-mower-drive-belt-el-13/7100425SM.html