MSparts Thermostat 129155-49800 129155-49801 Fit for Yanmar Engine 3D84E 3D88E 4D88E Fit for Thermo King SLX Series Cooling System Replacement Thermostat

This MSparts replacement thermostat (part numbers 129155-49800 and 129155-49801) is precision-engineered to perfectly fit Yanmar 3D84E, 3D88E, and 4D88E engines as well as Thermo King SLX series cooling systems. Made with high-quality materials for enhanced durability and stable performance, it accurately regulates coolant temperature to maintain optimal engine operation, prevent overheating, and ensure efficient cooling system function. As a direct drop-in replacement for original components, it enables hassle-free installation and delivers consistent, long‑lasting temperature control for transport refrigeration and engine cooling applications.

• 1.PRECISE OEM FITMENT: Direct replacement for 129155-49800 and 129155-49801; fully compatible with Yanmar Engines 3D84E 3D88E 4D88E and Thermo King SLX Series cooling systems; ensures seamless match without any modification
• 2.PREMIUM MATERIAL CONSTRUCTION: Made of high-quality heat-resistant and anti-corrosion materials; withstands extreme working temperatures; provides exceptional durability for long-term cooling system use
• 3.RELIABLE TEMPERATURE CONTROL: Delivers accurate thermal regulation to maintain optimal engine temperature; effectively prevents engine overheating or overcooling; protects engine parts and boosts equipment efficiency
• 4.HASSLE-FREE INSTALLATION: Direct-fit design allows quick and easy installation; no extra tools or complex adjustments required; saves maintenance time and labor cost for both technicians and DIY users
• 5.STRICT QUALITY STANDARDS: Manufactured under rigorous quality control; passes comprehensive pre-shipment testing; ensures stable performance and extends service life of your Thermo King SLX and Yanmar engine equipment