GE Dishwasher WD21X10237 Main Control Board Subs to WD21X10247 Top Board Measures: 14.5" Wide x 2.5" Tall at Thickest Point, 2" Right End, 1.8" Left End, 1" Middle x 3.8" Thick Bottom Board Measures: 12" Wide x 3.25" Tall x 1.5" Thick