Spring Selector.rear 532401623 7.00 x 1.00 x 1.00 Genuine OEM. This is a Genuine OEM part. This height adjuster lever (part number 532401623) is for lawn mowers. Height adjuster lever 532401623 moves the lawn mower wheel up or down to adjust the lawn mower deck to the desired cutting height. Wear work gloves to protect your hands when installing this part.- Spring Selector.rear 532401623 7.00 x 1.00 x 1.00 Genuine OEM.