YUBP-07956 Engine Thermostat for Hyundai R140LC-7, R140LC-9S, R210LC-7

   The YUBP-07956 is designed to maintain the precise thermal balance required by the Cummins and Mitsubishi engines commonly found in Hyundai Dash-7 and Dash-9S machinery. Unlike automotive thermostats, this industrial-grade part is built with a heavy-duty wax pellet and a reinforced stainless steel frame to withstand the constant vibration and pressure fluctuations of a 20-ton class excavator.

The SPARKLING MACHINERY NEW YUBP-07956 Thermostat Photo:

Why Choose the SPARKLING YUBP-07956 Thermostat?

• • • • • • • • • • • • • • • • • • • • • • • • • • • • • •    - Accurate Opening Temperature: Calibrated to the exact factory specifications to ensure the engine runs neither too cold (causing carbon buildup) nor too hot (causing head gasket failure).

                                                          •    - High-Flow Design: Features a wide-aperture opening to ensure maximum coolant volume can reach the radiator during heavy summer operations.

                                                          •    - Corrosion Resistance: Constructed with materials resistant to the chemicals found in heavy-duty long-life coolants.

                                                          •    - Direct OEM Fit: Matches the dimensions of the YUBP-07956 housing perfectly, ensuring a leak-free seal with the standard gasket.

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                                          • Compatible Hyundai Excavator Models

                                            This thermostat is used across several popular crawler and wheeled models:

                                            Machine Model	Series	Machine Type
                                            R140LC-7	Robex Dash-7	Crawler Excavator
                                            R140LC-9S	Robex Dash-9S	Crawler Excavator
                                            R200W-7	Robex Dash-7	Wheeled Excavator
                                            R210LC-7 / 7H	Robex Dash-7	Crawler Excavator

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Q&A Section

Q1: What are the signs of a failing YUBP-07956 thermostat?

A: There are two main failure modes. If it sticks closed, the engine will overheat almost immediately under load. If it sticks open, the engine will take a long time to warm up, run inefficiently, and the heater in the cabin will likely stay cold.

Q2: Should I replace the gasket when I replace the thermostat?

A: Yes. You should never reuse an old thermostat housing gasket. A small leak at the housing can lead to air entering the system, causing "hot spots" in the engine block even with a new thermostat installed.

Q3: Can I test this thermostat before installing it?

A: Yes. You can place the thermostat in a pot of water with a thermometer and heat it. It should begin to open at the temperature stamped on the flange (typically around 82°C/180°F) and be fully open shortly after.

About SPARKLING MACHINERY:
   - Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

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