4973108
Thermostat
Cummins®

Introduction

The Cummins 4973108 Thermostat is designed for commercial trucks, playing a role in the engine’s cooling system by regulating temperature for optimal performance and longevity. This part ensures engine efficiency, protects components from thermal stress, and contributes to the truck’s reliability.

Basic Concepts of a Thermostat

A thermostat senses fluid temperature and controls its flow to maintain stability. In engine cooling systems, it is positioned between the engine and radiator, opening and closing in response to coolant temperature. When the engine is cold, the thermostat remains closed to allow quick warm-up. As the engine reaches operating temperature, the thermostat opens, enabling coolant circulation through the radiator for cooling before returning to the engine.

Role of the 4973108 Thermostat in Truck Operation

This Cummins part maintains optimal engine temperature in commercial trucks by regulating coolant flow. This regulation enhances fuel efficiency, reduces wear on engine components, and ensures smooth operation under various loads.

Key Features of the 4973108 Thermostat

The 4973108 Thermostat is constructed from durable materials to withstand high temperatures and pressures. It operates within a specific temperature range, featuring a housing, a wax pellet or spring-loaded valve, and a seal to prevent leaks, ensuring reliable operation and longevity in commercial truck applications.

Benefits of Using the 4973108 Thermostat

Utilizing this thermostat contributes to improved engine efficiency by ensuring optimal operating temperature, leading to better fuel economy. It reduces wear and tear on engine components by maintaining stable temperatures, extending the engine’s lifespan. Its reliable operation enhances the truck’s overall reliability under various conditions.

Troubleshooting and Maintenance Suggestions

To ensure optimal performance and longevity of the 4973108 Thermostat, be aware of common issues and perform regular maintenance. Symptoms of a malfunctioning thermostat include engine overheating, fluctuating temperature gauge readings, or lack of heat from the cabin heater. Diagnostic procedures may involve checking the thermostat’s operation or performing a coolant flow test. Regular maintenance practices include inspecting the thermostat for wear or damage, ensuring the cooling system is free of contaminants, and replacing the thermostat according to manufacturer’s recommendations or if signs of failure are detected.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for producing high-quality components for commercial vehicles. The company’s commitment to innovation, quality, and customer satisfaction has made it a trusted name in the automotive industry, particularly for heavy-duty and commercial applications. Cummins’ extensive product line and global presence underscore its dedication to meeting the diverse needs of its customers.

Compatibility of Thermostat 4973108 with Cummins Engines

The 4973108 thermostat, manufactured by Cummins, is designed to fit seamlessly within a range of Cummins engines, ensuring optimal engine temperature for efficient operation and longevity.

G855

The G855 engine benefits from the precise temperature regulation provided by the 4973108 thermostat, enhancing performance and reliability.

N14 CELECT PLUS and N14 MECHANICAL

Both engines are compatible with the 4973108 thermostat, maintaining efficiency and preventing overheating or undercooling.

QSN14 CM876 N103

This engine also integrates well with the 4973108 thermostat, ensuring smooth and efficient operation under various conditions.

Role of the 4973108 Thermostat in Engine Systems

The 4973108 thermostat is integral to maintaining optimal operating temperatures within various engine systems, ensuring efficient performance and longevity of components.

In the context of the cooler system, the thermostat regulates coolant flow, allowing the engine to reach its optimal operating temperature quickly. This regulation is vital for the efficient operation of the engine oil cooler, ensuring that the oil is heated to the correct temperature for optimal viscosity and lubrication properties.

When integrated with the engine oil system, the thermostat indirectly influences the temperature of the oil by controlling the coolant temperature. This is particularly important in systems with an engine oil cooler, where the thermostat helps maintain a consistent oil temperature, preventing both overheating and underheating scenarios that could lead to increased wear or inefficient lubrication.

In systems equipped with a lubricating oil (top level assembly) cooler, the thermostat ensures that the lubricating oil maintains the correct temperature, which is essential for the top-level assembly’s components to function efficiently. This is equally applicable to the lubricating oil cooler (top level assembly) and the lubricating oil cooler(top level assembly), where precise temperature control is necessary to protect sensitive components from thermal stress.

For the lubricating oil top level assembly cooler and the oil cooler (top level assembly) lubricating systems, the thermostat’s role is to provide a stable thermal environment. This stability is crucial for the longevity and performance of the lubricating oil, as it ensures that the oil does not degrade prematurely due to excessive heat or become too thick from low temperatures, which could impede its flow and lubrication capabilities.

Overall, the 4973108 thermostat is a key component in these engine systems, facilitating optimal temperature control that enhances the efficiency and reliability of the engine’s cooling and lubrication mechanisms.

Conclusion

The Cummins 4973108 Thermostat is a critical component in the cooling systems of commercial trucks, ensuring engines operate within optimal temperature ranges for efficiency, longevity, and reliability. Its design, featuring durable materials and precise temperature control mechanisms, contributes to the overall performance and maintenance of Cummins engines. Regular maintenance and awareness of common issues are essential for the thermostat’s longevity and the engine’s performance.