4078934
Water Outlet Connection
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,449.95 $1,725.44

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 Water Outlet Connection, identified by part number 4078934, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This part is integral to the engine cooling system, facilitating the efficient circulation of coolant throughout the engine. Cummins is renowned for its high-quality components, and the Water Outlet Connection is no exception, designed to meet the rigorous demands of heavy-duty truck engines 1.

Basic Concepts of Water Outlet Connection

The Water Outlet Connection operates on the fundamental principle of directing coolant flow from the engine to the radiator. This process is vital for dissipating heat generated during engine operation. The connection ensures that coolant is evenly distributed, which helps maintain optimal engine temperature and prevent overheating. Understanding this principle is key to grasping the importance of the Water Outlet Connection in maintaining engine efficiency and longevity 2.

Purpose of the 4078934 Water Outlet Connection

The 4078934 Water Outlet Connection plays a significant role in the operation of a truck by directing coolant flow from the engine to the radiator. This part is strategically positioned to ensure that coolant, after absorbing heat from the engine, is efficiently transported to the radiator where it can be cooled before returning to the engine. This continuous cycle is fundamental to maintaining the engine’s operating temperature within a safe range, thereby enhancing engine performance and durability 3.

Key Features

The 4078934 Water Outlet Connection is characterized by several design elements that contribute to its performance and reliability. These include a robust construction that can withstand high temperatures and pressures, precise engineering to ensure a secure fit and seal, and materials selected for their durability and resistance to corrosion. These features collectively enhance the part’s ability to perform under the demanding conditions typical of heavy-duty truck engines.

Benefits

The advantages provided by the 4078934 Water Outlet Connection include improved engine cooling efficiency and enhanced durability. By ensuring a consistent and efficient flow of coolant, this part helps maintain optimal engine temperature, which is crucial for engine performance and longevity. Additionally, its durable construction and resistance to corrosion contribute to a longer service life, reducing the need for frequent replacements and maintenance.

Installation Process

Proper installation of the 4078934 Water Outlet Connection is crucial for ensuring optimal performance and longevity. The installation process involves several steps: first, ensuring the engine is cool and the coolant system is drained; second, removing the old connection if applicable; third, installing the new connection with the appropriate gaskets and seals; and finally, refilling the coolant system and checking for leaks. Adhering to these steps ensures that the connection is securely fitted and functions as intended.

Common Issues and Troubleshooting

Typical problems associated with the Water Outlet Connection may include leaks, corrosion, or blockages. Troubleshooting these issues involves inspecting the connection for signs of wear or damage, checking the seals and gaskets for integrity, and ensuring there are no obstructions in the coolant flow. Solutions may range from cleaning and repairing minor damage to replacing the connection if it is severely corroded or damaged.

Maintenance Tips

Maintaining the 4078934 Water Outlet Connection is key to preventing issues and extending its service life. Regular inspection for signs of wear, corrosion, or leaks is recommended. Cleaning the connection and its surrounding areas can prevent buildup that may obstruct coolant flow. Additionally, ensuring that the coolant system is free of contaminants and at the proper level contributes to the overall efficiency and reliability of the cooling system.

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 quality, reliability, and innovation in the commercial truck industry. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications. Cummins’ commitment to excellence is reflected in its products, including the 4078934 Water Outlet Connection.

Cummins Part 4078934: Water Outlet Connection

The Cummins part 4078934, a Water Outlet Connection, is a critical component designed to facilitate the flow of coolant from the engine block to the radiator. This part is essential for maintaining optimal engine temperature and ensuring efficient heat dissipation. Below is a detailed description of how this part fits with the specified Cummins engines.

K38 Engine

The K38 engine is a robust and reliable power unit, often utilized in heavy-duty applications. The Water Outlet Connection part 4078934 is meticulously engineered to fit seamlessly with the K38 engine’s design. This part ensures that coolant is effectively channeled from the engine block to the radiator, where it can be cooled before being recirculated. The precision in the design of this part guarantees a tight seal, preventing any coolant leaks that could compromise engine performance.

K50 Engine

Similarly, the K50 engine benefits from the precise engineering of the Cummins part 4078934. This Water Outlet Connection is tailored to integrate perfectly with the K50 engine’s architecture. It ensures that the coolant flow is uninterrupted, which is crucial for maintaining the engine’s operational temperature. The part’s design allows for easy installation and removal, facilitating maintenance and repair processes. The robust construction of the part ensures longevity and reliability, even under the demanding conditions typically encountered in heavy-duty operations.

Grouping of Engines

Both the K38 and K50 engines share a common requirement for efficient coolant management, which is where the part 4078934 excels. The design of this Water Outlet Connection is optimized to cater to the specific needs of these engines, ensuring that they operate at peak efficiency. The part’s compatibility with both engines highlights Cummins’ commitment to providing high-quality, reliable components that enhance engine performance and durability.

Role of Part 4078934 Water Outlet Connection in Engine Systems

The part 4078934 Water Outlet Connection is an integral component in the efficient operation of various engine systems, particularly those involving fluid dynamics and cooling mechanisms.

In systems utilizing a pump, the Water Outlet Connection serves as a pivotal junction point. It ensures a seamless transition of fluid from the pump to other parts of the engine system. This connection point is essential for maintaining consistent fluid pressure and flow, which are vital for the pump’s performance and the overall cooling efficiency of the engine.

When integrated with a raw water system, the Water Outlet Connection plays a significant role in directing the flow of raw water, typically sourced from natural bodies, into the engine’s cooling passages. This is particularly important in marine or industrial applications where raw water is used for its cooling properties. The connection ensures that the raw water is efficiently distributed, aiding in the dissipation of heat generated by the engine.

In the context of a seawater pipe mount, the Water Outlet Connection is instrumental in linking the seawater intake pipe to the engine’s cooling system. This is especially relevant in marine engines where seawater is used as a coolant. The connection facilitates the controlled flow of seawater, ensuring that the engine remains at an optimal operating temperature, thereby enhancing its longevity and performance.

Overall, the Water Outlet Connection (part 4078934) is a key component in these engine systems, ensuring efficient fluid management and contributing to the effective cooling and operation of the engine.

Conclusion

The 4078934 Water Outlet Connection is a vital component in the engine cooling system of heavy-duty trucks, ensuring efficient coolant circulation and maintaining optimal engine temperature. Its robust construction, precise engineering, and compatibility with Cummins engines like the K38 and K50 make it a reliable choice for maintaining engine performance and durability. Regular maintenance and proper installation are essential for maximizing the benefits of this part.


  1. Diesel Engine Care and Repair, Nigel Calder, The McGraw-Hill Companies, 2007

  2. Vocational Vehicles and Applications, Michael Hilgers and Wilfried Achenbach, Springer Vieweg, 2021

  3. Heavyduty Electric Vehicles: From Concept to Reality, Shashank Arora, Alireza Tashakori Abkenar, and Shantha Gamini Jayasi, Elsevier, 2021

SPECIFICATIONS

Package Dimensions
14.5 x 14.2 x 19.0 in
Weight
3.779 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.