3059903
Thermostat
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$149.95 $178.44

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3059903 Thermostat is a component designed for use in commercial trucks, playing a significant role in the engine’s cooling system. Its primary function is to regulate the engine’s temperature, ensuring it operates within a specified range for optimal performance and longevity 1.

Basic Concepts of a Thermostat

A thermostat is a device that senses the temperature of a system and controls the flow of fluid or air to maintain the desired set point. In an engine cooling system, the thermostat regulates the flow of coolant between the engine and the radiator. When the engine is cold, the thermostat remains closed, preventing coolant flow and allowing the engine to warm up quickly. As the engine temperature rises, the thermostat opens, allowing coolant to circulate and absorb excess heat, thereby maintaining a stable operating temperature 2.

Purpose of the Cummins 3059903 Thermostat

This Cummins part is integral to maintaining optimal engine temperature. By regulating the flow of coolant, it ensures the engine operates efficiently and protects engine components from damage due to overheating. Proper temperature regulation enhances engine performance, fuel efficiency, and extends the lifespan of engine parts 3.

Key Features

The Cummins 3059903 Thermostat is engineered with specific features to enhance its performance and durability. Its design incorporates high-quality materials that withstand the harsh conditions of commercial truck engines. The thermostat is precision-manufactured to ensure accurate temperature regulation and reliable operation under varying load conditions.

Benefits

Utilizing this part offers several advantages. It contributes to improved engine efficiency by ensuring the engine operates at its optimal temperature. This results in extended engine life and reliable temperature regulation, even under demanding operating conditions. The thermostat’s design also helps in reducing emissions and fuel consumption, aligning with environmental and efficiency goals.

Installation and Compatibility

Proper installation of this Cummins part is crucial for its effective operation. It is designed to meet specific requirements for compatibility with certain engine models and systems. Following manufacturer guidelines ensures the thermostat functions as intended, providing reliable temperature control and engine protection.

Troubleshooting and Maintenance

Common issues with thermostats include failure to open or close properly, leading to overheating or inefficient engine operation. Diagnostic tips for identifying thermostat-related problems include monitoring engine temperature and checking for coolant flow issues. Regular maintenance, such as inspecting and replacing the thermostat as needed, ensures its longevity and effectiveness.

Performance in Various Conditions

This part is designed to perform under a range of operating conditions, including extreme temperatures, heavy loads, and varying speeds. Its ability to maintain optimal engine temperature under these conditions directly impacts engine performance and fuel efficiency, making it a vital component in commercial truck engines.

Environmental and Efficiency Considerations

Proper thermostat function plays a role in reducing emissions and fuel consumption. By ensuring the engine operates at its optimal temperature, this part contributes to more efficient combustion and lower emissions. This aligns with broader environmental and efficiency goals in the automotive industry.

Cummins Overview

Cummins Inc. is a leader in the commercial truck industry, known for its high-quality automotive components. With a history of innovation and commitment to excellence, Cummins has established a reputation for producing reliable and efficient engine parts. The Cummins 3059903 Thermostat is a testament to the company’s dedication to quality and performance in the commercial trucking sector.

Conclusion

The Cummins 3059903 Thermostat is a critical component in the engine cooling system of commercial trucks. Its role in regulating engine temperature ensures optimal performance, efficiency, and longevity of the engine. Proper installation, maintenance, and understanding of its function are essential for maximizing the benefits of this Cummins part.


  1. Martyr, A.J. Engine Testing: Theory and Practice: Third Edition. SAE International, 2007.

  2. Bonnick, Allan. A Practical Approach to Motor Vehicle Engineering and Maintenance. Elsevier, 2004.

  3. Cummins Inc. Operation and Maintenance Manual for QSX15 CM2250 ECF, Bulletin Number 2883560.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
5.75 x 2.5 x 3.875 in
Weight
0.45 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.