Seth Motors Share: Auto Repair & ServiceOil Change Service Seth Motors Visit Website Request Info 105 S Main St Ellensburg, WA 98926 (509) 962-2635 (509) 933-2635 (fax) Hours: Monday - Friday 8am-5pm About Map About Complete auto repair and service. What's Nearby? Distance: 5 10 15 20 25 50 mi.