Engine Coolant Thermostat for Farm Equipment Cooling Systems SKU: QT580189

When your thermostat fails or sticks, you'll notice it immediately—engines that take forever to warm up on cold mornings, poor fuel economy, white smoke that won't clear, or oil that looks milky from condensation buildup. This replacement thermostat restores proper temperature control to prevent these costly problems and keep your equipment running efficiently.

Key Benefits

• Wax pellet design opens precisely at target temperature for consistent regulation
• Corrosion-resistant construction withstands coolant additives and farm conditions
• Bypass feature prevents hot spots during warm-up by maintaining circulation
• Direct replacement design ensures proper fit and reliable operation

Maintaining the right operating temperature prevents fuel dilution of your oil and protects internal components from excessive wear. Need help confirming the right fit for your equipment? Our parts experts have been solving cooling system problems since 1969.