Moo Moo Express Car Wash Share: Car WashRetail Moo Moo Express Car Wash Visit Website 1024 Delaware Ave. Marysville, OH 43040 (937) 738-6950 Facebook Hours: 8:00 am to 8:00 pm Monday through Saturday 10:00 am to 6:00 pm Sunday About About Car Wash, Express, Quality, Free Vacuums