The Whirlpool W10712394 Upper Rack Adjuster Kit-Metal for Dishwasher helps restore smooth and reliable upper rack movement. Designed to support the rack’s height adjustment, this kit allows the upper rack to be raised or lowered for better loading flexibility. It typically works by connecting the rack to its adjustment mechanism, helping it move evenly and stay properly positioned dur... https://www.partsmelange.ca/whirlpool-w10712394-upper-rack-adjuster-kit-metal-for-dishwasher