5259934
Water Inlet Connection
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$234.95 $279.59

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

Introduction

The Cummins 5259934 Water Inlet Connection is a critical component in heavy-duty truck engine systems. It facilitates the efficient flow of coolant into the engine, essential for maintaining optimal operating temperatures and ensuring engine longevity. This part’s significance lies in its role within the cooling system, which is vital for the overall performance and reliability of heavy-duty trucks 1.

Basic Concepts of Water Inlet Connection

Water inlet connections in engine cooling systems direct coolant from the radiator into the engine block. This process is crucial for dissipating heat generated during engine operation. The coolant absorbs heat as it circulates through the engine and then transfers this heat to the radiator, where it is dissipated into the atmosphere. The efficiency of this process is influenced by the design and condition of the water inlet connection 2.

Purpose of the 5259934 Water Inlet Connection

The 5259934 Water Inlet Connection ensures a smooth and uninterrupted flow of coolant into the engine. Positioned at the point where the coolant enters the engine block, it is designed to handle the pressures and temperatures associated with heavy-duty engine operations. By facilitating efficient coolant flow, it contributes to maintaining the engine’s temperature within optimal ranges 3.

Key Features

The primary features of the 5259934 Water Inlet Connection include its robust design, engineered to withstand the high pressures and temperatures of heavy-duty engine environments. It is constructed from durable materials that resist corrosion and wear, ensuring long-term performance. Additionally, its design may incorporate features that enhance the flow of coolant, reducing the risk of hotspots within the engine.

Benefits

The advantages provided by the 5259934 Water Inlet Connection include improved coolant flow, leading to more effective heat dissipation and enhanced engine performance. Its durable construction contributes to increased reliability, reducing the likelihood of coolant leaks or failures. These benefits are particularly important in heavy-duty applications, where engine reliability and performance are paramount.

Installation Process

Proper installation of the 5259934 Water Inlet Connection involves several steps to ensure it functions correctly within the engine cooling system. It is important to follow manufacturer guidelines for torque specifications and sealing procedures to prevent leaks and ensure a secure fit. Careful attention to these details during installation can help avoid common pitfalls, such as improper sealing or misalignment, which could lead to coolant leaks or reduced efficiency.

Common Issues and Troubleshooting

Frequent problems associated with the 5259934 Water Inlet Connection may include leaks, corrosion, or blockages. Troubleshooting steps involve inspecting the connection for signs of wear or damage, checking for proper installation, and ensuring that all seals are intact. Solutions may range from cleaning and resealing the connection to replacing damaged components to restore optimal coolant flow and prevent engine overheating.

Maintenance Tips

Regular maintenance practices for the 5259934 Water Inlet Connection include periodic inspections for signs of wear, corrosion, or leaks. It is also important to ensure that the cooling system is free of contaminants that could impede coolant flow or cause damage to the connection. Following these maintenance tips can help ensure the longevity and optimal performance of the water inlet connection.

Role in Engine Cooling System

The 5259934 Water Inlet Connection integrates with other components of the engine cooling system to maintain efficient operation. It works in conjunction with the radiator, thermostat, and coolant passages within the engine block to ensure that coolant is circulated effectively, dissipating heat and maintaining engine temperature within optimal ranges. This integration is key to the overall efficiency and reliability of the engine cooling system.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a strong reputation in the automotive industry, particularly in the realm of heavy-duty truck components, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and history of excellence make it a trusted name in the industry.

Water Inlet Connection Part 5259934 Compatibility with Cummins Engines

The Water Inlet Connection part 5259934, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is crucial for maintaining the engine’s cooling system integrity, ensuring efficient operation and longevity.

ISB/ISD4.5 CM2150 B119 and QSB4.5 CM2250 EC

The Water Inlet Connection part 5259934 is compatible with the ISB/ISD4.5 CM2150 B119 and QSB4.5 CM2250 EC engines. These engines are known for their robust performance and reliability, often used in various applications ranging from agricultural to industrial use. The part ensures that the water inlet system is properly connected, facilitating optimal coolant flow and preventing overheating.

QSB6.7 CM2250 and QSB6.7 CM850 (CM2850)

This part also fits the QSB6.7 CM2250 and QSB6.7 CM850 (CM2850) engines. These engines are part of Cummins’ lineup of high-performance diesel engines, offering substantial power and efficiency. The Water Inlet Connection part 5259934 is engineered to integrate with these engines, ensuring that the water inlet system is correctly aligned and sealed, which is vital for maintaining the engine’s cooling efficiency.

QSB7 CM2880 B117

Lastly, the Water Inlet Connection part 5259934 is also compatible with the QSB7 CM2880 B117 engine. This engine is designed for heavy-duty applications, providing exceptional power and durability. The part ensures that the water inlet system is properly connected, which is essential for the engine’s cooling system to function effectively, thereby preventing potential engine damage due to overheating.

Role of Part 5259934 Water Inlet Connection in Engine Systems

The Water Inlet Connection, identified by part number 5259934, is integral to the efficient operation of engine systems. This component facilitates the entry of coolant into the engine block, ensuring that the engine maintains optimal operating temperatures.

Integration with Engine Components

  1. Engine Block: The Water Inlet Connection is directly attached to the engine block. It allows coolant to flow into the block’s water jackets, which surround the cylinders and other critical components. This circulation helps dissipate heat generated during combustion.

  2. Thermostat Housing: Often, the Water Inlet Connection is part of the thermostat housing assembly. This setup ensures that coolant flow is regulated based on engine temperature, contributing to efficient thermal management.

  3. Coolant Hoses: The connection point for coolant hoses is typically integrated into the Water Inlet Connection. These hoses link the engine to the radiator, allowing for a continuous coolant loop that enhances heat exchange.

  4. Water Pump: The Water Inlet Connection works in tandem with the water pump, which drives the circulation of coolant throughout the engine system. Proper sealing and connection at this point are essential for maintaining coolant pressure and flow.

  5. Radiator: Ultimately, the coolant that enters through the Water Inlet Connection will travel through the engine and exit via the top or bottom radiator hose, depending on the system design. The radiator then cools the coolant before it re-enters the engine.

  6. Heater Core: In systems where the engine also provides cabin heating, the Water Inlet Connection plays a role in directing coolant to the heater core. This ensures that the cabin can be warmed effectively during cold weather operation.

By understanding the role of the Water Inlet Connection within these components, engineers and mechanics can better appreciate its importance in maintaining engine efficiency and longevity.

Conclusion

The Cummins 5259934 Water Inlet Connection is a vital component in the cooling systems of heavy-duty engines. Its role in facilitating efficient coolant flow contributes to maintaining optimal engine temperatures, enhancing performance, and ensuring longevity. Proper installation, regular maintenance, and understanding its integration with other engine components are essential for maximizing the benefits of this part.


  1. Lakshminarayanan, P. A., & Agarwal, A. K. (2019). Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer.

  2. Arora, S., Abkenar, A. T., & Jayasi, S. G. (2021). Heavyduty Electric Vehicles: From Concept to Reality. Elsevier.

  3. Hilgers, M. (2023). Chassis and Axles. Springer Vieweg.

SPECIFICATIONS

Package Dimensions
12.0 x 6.0 x 5.25 in
Weight
6.3 lbs
* 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.