71℃ 160℉ Thermostat 129155-49801 for Yanmar Engine 4TNE84 4TN82E 4TN82TE 4TN84TE

Thermostat for Yanmar

This 71℃ 160℉ thermostat regulates engine coolant temperature for Yanmar Engine models 4TNE84, 4TN82E, 4TN82TE, and 4TN84TE, with OEM cross-reference number 129155-49801.

Overview

This 71℃ 160℉ thermostat for Yanmar is a direct replacement part designed to maintain optimal operating temperature in compatible diesel engines. It opens at the rated temperature to allow coolant flow, preventing overheating and ensuring consistent engine performance. This thermostat for Yanmar is essential for reliable operation in compact construction and agricultural machinery.

Built For Performance

• Precision-calibrated opening at 71℃ (160℉) for accurate temperature control
• Constructed with corrosion-resistant materials for long service life
• OEM cross-reference number 129155-49801 ensures exact dimensional fit
• Robust wax-pellet element provides consistent thermal response
• Engineered to meet or exceed original equipment specifications

Fits These Machines

• for Yanmar Engine 4TNE84
• for Yanmar Engine 4TN82E
• for Yanmar Engine 4TN82TE
• for Yanmar Engine 4TN84TE

On-The-Job Use

• Replacing a worn or stuck thermostat during routine engine maintenance
• Restoring proper warm-up time in cold weather operation
• Preventing engine overheating during heavy load cycles
• Maintaining fuel efficiency and reducing emissions in daily operation

Specs At A Glance

Good To Know

Q: How do I know if this thermostat is faulty? A: Common signs include engine overheating, slow warm-up, or fluctuating temperature gauge readings. Replacing it restores normal thermal regulation.

Q: Can this thermostat be used in both marine and industrial applications? A: It works in any cooling system designed for this engine series, but always verify housing dimensions and flow direction match your specific setup.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.