3103080
Water Pump Shaft
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$67.95 $80.86

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 3103080 Water Pump Shaft is a component designed for use in the cooling systems of heavy-duty trucks. Its purpose is to facilitate the efficient circulation of coolant within the engine, ensuring that the engine operates within optimal temperature ranges. This component is significant for maintaining the overall health and performance of the engine, particularly in demanding operational conditions 1.

Basic Concepts of Water Pump Shafts

A water pump shaft is a central component within the engine cooling system. It operates by driving the water pump impeller, which in turn circulates coolant through the engine block and radiator. This circulation is vital for dissipating heat generated during engine operation, thereby maintaining stable engine temperatures and preventing overheating 2.

Purpose and Role in Truck Operation

The 3103080 Water Pump Shaft plays a role in the operation of a truck by ensuring that the engine remains at an optimal temperature. It contributes to the cooling process by enabling the water pump to move coolant efficiently through the engine’s passages. This helps in dissipating heat, which is crucial for the engine’s longevity and performance, especially under heavy loads or in high-temperature environments 3.

Key Features

The Cummins 3103080 Water Pump Shaft is characterized by its robust design and the quality materials used in its construction. These features enhance its performance and durability. The shaft is engineered to withstand the rigors of heavy-duty truck operation, ensuring reliable coolant circulation even in challenging conditions.

Benefits

Using the Cummins 3103080 Water Pump Shaft is associated with several benefits. These include improved engine efficiency due to effective coolant circulation, enhanced reliability of the cooling system, and increased longevity of the engine. The shaft’s design and materials contribute to these advantages, making it a valuable component for heavy-duty truck engines.

Installation Process

Installing the Cummins 3103080 Water Pump Shaft involves several steps to ensure proper integration into the engine cooling system. It is important to follow manufacturer guidelines for installation, which may include aligning the shaft correctly within the water pump housing, securing it in place, and ensuring that all connections are tight and secure. Attention to detail during installation helps in achieving optimal performance and durability of the component.

Common Issues and Troubleshooting

Common issues with water pump shafts may include wear, misalignment, or damage, which can affect coolant circulation and lead to engine overheating. Troubleshooting these issues involves inspecting the shaft for signs of wear or damage, ensuring proper alignment within the water pump, and addressing any leaks or loose connections. Regular maintenance and timely replacement of worn components can help in preventing these issues.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 3103080 Water Pump Shaft, regular maintenance is recommended. This includes periodic inspection for signs of wear or damage, ensuring that all connections are secure, and following manufacturer guidelines for lubrication and replacement. Adhering to these maintenance practices helps in maintaining the efficiency and reliability of the engine cooling system.

Cummins Overview

Cummins Inc. is a well-established manufacturer known for its diesel engines and related technologies. With a history of innovation and quality, Cummins has built a reputation for producing reliable and efficient engine components. The company’s commitment to excellence is reflected in its product line, which includes a range of parts designed to meet the demands of heavy-duty applications.

Water Pump Shaft (Part 3103080) Compatibility with Cummins Engines

The Water Pump Shaft, identified by part number 3103080, is a critical component in the cooling system of various Cummins engines. This part is designed to ensure the efficient operation of the water pump, which is essential for maintaining optimal engine temperatures.

ISM CM570/870 Engines

The ISM CM570/870 engines are part of the Cummins Industrial Series Medium (ISM) lineup. These engines are known for their robust performance and reliability in demanding industrial applications. The Water Pump Shaft (3103080) is specifically engineered to fit these engines, ensuring seamless integration and optimal performance.

ISM CM876 Engines

The ISM CM876 engine is another member of the Cummins ISM series, recognized for its durability and efficiency. The Water Pump Shaft (3103080) is compatible with the ISM CM876 engine, providing a reliable connection between the water pump and the engine block. This compatibility is crucial for maintaining the cooling system’s integrity and preventing overheating.

ISM11 CM876 SN Engines

The ISM11 CM876 SN engines are a variant of the ISM CM876 series, designed to meet specific regulatory requirements. The Water Pump Shaft (3103080) is also compatible with these engines, ensuring that the cooling system functions as intended. This compatibility is essential for maintaining engine performance and longevity.

Grouping of Engines

The ISM CM570/870, ISM CM876, and ISM11 CM876 SN engines share common design elements and performance characteristics. The Water Pump Shaft (3103080) is designed to fit these engines, highlighting its versatility and importance in the cooling system. This compatibility ensures that the water pump operates efficiently, contributing to the overall reliability and performance of the engine.

Role of Part 3103080 Water Pump Shaft in Engine Systems

The Water Pump Shaft, identified as part 3103080, is an integral component within the water pump assembly of engine systems. It facilitates the rotation of the impeller, which is responsible for circulating coolant throughout the engine. This circulation is essential for maintaining optimal engine temperature and preventing overheating.

In the context of a water pump arrangement, the shaft is positioned centrally, allowing it to drive the impeller with precision. The impeller, in turn, creates a flow of coolant that is directed through various passages within the engine block and cylinder head.

When considering a water pump kit or water pump kits, the shaft is often included as a replacement part to ensure the impeller operates smoothly. Its integration within these kits highlights its importance in maintaining the efficiency and reliability of the cooling system.

In a water top-level assembly pump, the shaft plays a pivotal role by connecting the impeller to the engine’s drive mechanism, typically through a pulley or gear. This connection ensures that as the engine operates, the shaft rotates, driving the impeller and facilitating coolant circulation.

Overall, the Water Pump Shaft is a fundamental element that ensures the proper functioning of the water pump, contributing to the overall efficiency and longevity of the engine system.

Conclusion

The Cummins 3103080 Water Pump Shaft is a critical component in the cooling systems of heavy-duty trucks, ensuring efficient coolant circulation and optimal engine temperature. Its robust design and compatibility with various Cummins engines highlight its importance in maintaining engine performance and longevity. Regular maintenance and proper installation are key to maximizing the benefits of this part.


  1. Randall, Martynn. Haynes Manual on Diesel Engines. Haynes Publishing, 2015.

  2. Happian-Smith, Julian. An Introduction to Modern Vehicle Design. Butterworth-Heinemann, 2002.

  3. Norman, Andrew. Diesel Technology Fundamentals Service Repair Eighth Edition. The Goodheart-Willcox Company Inc, 2016.

SPECIFICATIONS

Package Dimensions
25.0 x 5.0 x 5.0 in
Weight
1 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.