5260981
Water Inlet Connection
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$199.95 $237.94

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 5260981 Water Inlet Connection is a component designed for use in commercial trucks. It serves a role in the engine’s cooling system, contributing to the overall efficiency and longevity of the vehicle. Understanding its function and importance can help in maintaining optimal engine performance.

Basic Concepts of Water Inlet Connections

A water inlet connection is a part of the engine cooling system that allows coolant to enter the engine block. Its function is to facilitate the circulation of coolant, which absorbs heat from the engine and dissipates it, thereby maintaining optimal engine temperature. This process is vital for preventing engine overheating and ensuring consistent performance 3.

Purpose of the Cummins 5260981 Water Inlet Connection

The Cummins 5260981 Water Inlet Connection is integral to the operation of a truck’s engine. It allows coolant to flow into the engine block, playing a role in the cooling system by helping to regulate engine temperature. This regulation aids in maintaining engine performance and contributes to the longevity of the engine by preventing overheating 1.

Key Features

The Cummins 5260981 Water Inlet Connection is constructed with materials and design elements that enhance its durability and efficiency. Its material composition is chosen to withstand the high temperatures and pressures within the engine cooling system. Design features such as precise threading and sealing mechanisms are incorporated to ensure a secure fit and prevent leaks. These characteristics distinguish it from other water inlet connections, offering reliability and performance 2.

Benefits

The Cummins 5260981 Water Inlet Connection offers several advantages. It contributes to improved engine cooling efficiency, which can reduce the risk of overheating. Additionally, efficient cooling can potentially enhance fuel efficiency and overall engine health by maintaining optimal operating temperatures 3.

Installation and Compatibility

Proper installation of the Cummins 5260981 Water Inlet Connection is important for ensuring its effectiveness. Installation procedures should follow manufacturer guidelines to ensure a secure and leak-free connection. It is also important to verify compatibility with the truck’s engine model to ensure proper fit and function 1.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 5260981 Water Inlet Connection is important for ensuring optimal performance. This includes routine inspections for signs of wear or damage, cleaning to remove any buildup that could impede coolant flow, and addressing any leaks or blockages promptly. Proper maintenance can help in identifying and resolving issues before they lead to more significant problems 2.

Common Issues and Solutions

Water inlet connections can encounter issues such as corrosion, leaks, or blockages. Corrosion can be mitigated through regular cleaning and the use of compatible coolants. Leaks may require re-sealing or replacement of the connection, while blockages can often be cleared through flushing the cooling system. Addressing these issues promptly can help in maintaining the efficiency of the engine cooling system 3.

Cummins: A Brief Overview

Cummins Inc. is a leader in the diesel engine manufacturing industry, with a history of innovation and commitment to quality. The company’s expertise in engine technology is reflected in its products, including the Cummins 5260981 Water Inlet Connection, which is designed with precision and reliability in mind. Cummins’ dedication to advancing engine performance and efficiency is evident in its wide range of automotive and heavy-duty truck parts 1.

Water Inlet Connection Part 5260981 by Cummins

The Water Inlet Connection part 5260981 by Cummins is designed to fit seamlessly with several of the company’s engine models. This part is crucial for the proper functioning of the engine’s cooling system, ensuring that water is efficiently directed into the engine block.

Compatible Engines

  • B6.7 CM2670 B164C
  • ISB6.7 CM2250
  • ISB6.7 CM2350 B101
  • QSB6.7 CM2250
  • QSB6.7 CM2350 B105

Grouping of Compatible Engines

The engines listed above can be grouped based on their series and specifications:

  • B6.7 Series:

    • B6.7 CM2670 B164C
  • ISB6.7 Series:

    • ISB6.7 CM2250
    • ISB6.7 CM2350 B101
  • QSB6.7 Series:

    • QSB6.7 CM2250
    • QSB6.7 CM2350 B105

Each of these engines, despite their differences, share a commonality in their requirement for the Water Inlet Connection part 5260981. This part ensures that the cooling system operates efficiently, maintaining optimal engine performance and longevity 2.

Role of Part 5260981 Water Inlet Connection in Engine Systems

The Water Inlet Connection, identified by part number 5260981, serves as a vital interface within engine systems, facilitating the entry of coolant into the engine block. This component is integral to maintaining optimal engine temperature by ensuring a consistent flow of coolant.

When installed, the Water Inlet Connection interfaces with the engine block, typically near the cylinder head, allowing coolant to circulate through the water jackets surrounding the cylinders. This circulation is essential for dissipating heat generated during combustion.

Additionally, the Water Inlet Connection often connects to the thermostat housing, which regulates the flow of coolant based on engine temperature. This regulation helps in achieving the engine’s optimal operating temperature more quickly and maintains it throughout various driving conditions.

Furthermore, this component is usually linked to the upper radiator hose, which transports coolant from the radiator to the engine. The efficient transfer of coolant through this connection prevents overheating and ensures the engine operates within safe temperature ranges.

In summary, the Water Inlet Connection plays a significant role in the thermal management of engine systems by providing a reliable pathway for coolant entry and circulation 3.

Conclusion

The Cummins 5260981 Water Inlet Connection is a critical component in the engine cooling system of commercial trucks. Its proper installation, maintenance, and understanding of its role and benefits are essential for ensuring optimal engine performance and longevity. Regular inspections, cleaning, and addressing common issues promptly can help maintain the efficiency of the cooling system and prevent engine overheating.


  1. Sobey, E. (2009). A Field Guide to Automotive Technology. Chicago Review Press.

  2. Cummins Inc. (n.d.). CM870 Electronic Control System Signature™ and ISX Engines, Bulletin Number 4021334, Troubleshooting and Repair Manual.

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

SPECIFICATIONS

Package Dimensions
4.9 x 4.5 x 4.5 in
Weight
2 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.