Thermostat Housing, Heavy-Duty Cooling Part SKU: QT4145

This thermostat housing holds the thermostat in place and directs coolant flow through the engine’s cooling passages.

Built to withstand heat, vibration, and everyday use, it provides dependable sealing and performance in the field.

• Precision-machined gasket surface for reliable sealing
• Sturdy construction for durability under stress
• Smooth internal pathways to support coolant flow
• Compact design for easier fitment and alignment

Installation Tip: Drain coolant first, thoroughly clean both mating surfaces, insert a fresh gasket, align bolt holes, and tighten bolts evenly in stages to avoid distortion or leaks.

This thermostat housing is a reliable replacement to help keep your tractor’s cooling system working as intended.