YUANTUO Thermostat 71°C (160°F) Replacement for Yanmar & John Deere Engines — Includes Gasket, Metal Construction

YUANTUO CH15536 is a 71℃ (160°F) replacement thermostat with gasket designed to restore reliable cooling control in compatible Yanmar and John Deere engines.

This precision thermostat kit includes a metal thermostat and a matching gasket engineered to return an engine’s cooling system to its intended operating range. Built to match OE references (CH15536, M805702, 129350-49800), it fits several Yanmar 3TNA72E variants and a wide list of John Deere models, offering a straightforward direct swap for routine maintenance or repairs.

Which engines and machines does this thermostat fit?

This thermostat fits specific Yanmar 3TNA72E engine variants and many John Deere compact tractors and equipment models. Check model numbers against your service manual to confirm compatibility before ordering.

• Yanmar: 3TNA72E-YL, -UNS, -UAS, -S, -HP, -G2.
• John Deere models: 355D, 430, 455, GX355, X495, X595, 650–1050 series and 2210, 4010–4110, F735, F925, F932, F935, 1420, 1435.
• OE references matched: CH15536, M805702, 129350-49800 for accurate replacement.

How does this thermostat affect engine temperature management?

Set to open at 71℃ (160°F), the thermostat helps the cooling system reach and maintain the intended operating temperature. Proper thermostat operation supports stable engine performance and consistent temperature control under varying loads.

• Opens at 71℃ (160°F) to allow coolant flow when needed.
• Closes when below set point to help the engine warm up faster.
• Designed metal construction resists wear and corrosion for longer service life.

What’s included and how easy is installation?

The kit arrives with a thermostat and a gasket, ready for direct replacement in compatible applications. Installation is straightforward for experienced technicians and DIYers with basic tools and a clean work area.

• Package: thermostat ×1, gasket ×1 — ready for direct swap.
• Generally requires draining some coolant, removing the housing, replacing the unit, and reassembling.
• Follow vehicle-specific torque specs and coolant refill/bleeding procedures per the manufacturer manual.

Why choose this aftermarket thermostat over an older or failing unit?

Replacing a worn or stuck thermostat restores predictable temperature regulation, which can help reduce overheating risks and inefficient operation. This YUANTUO replacement targets OE fit and function while using durable metal components.

• Matches OEM part numbers to simplify sourcing and fitment checks.
• Metal construction for enhanced durability and corrosion resistance.
• Sold with gasket to ensure a proper seal and reduce leak risk after installation.

Who is this for: This thermostat kit is intended for equipment owners, fleet maintenance technicians, and mechanics who service Yanmar 3TNA72E engines or the listed John Deere models. It’s useful for scheduled cooling-system maintenance, replacing failed thermostats, or restoring correct engine temperature control during repairs. Always verify model compatibility and follow the vehicle manufacturer’s service procedures when installing replacement parts.