3648236
Water Header Cover
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$289.95 $345.04

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 Header Cover 3648236, manufactured by Cummins, is a component designed for heavy-duty truck engines. Cummins, a well-established name in the automotive industry, specializes in producing robust and reliable engine components. This part is significant in the context of heavy-duty truck engines as it plays a role in the engine’s cooling system, contributing to the overall efficiency and longevity of the engine 1.

Basic Concepts of Water Header Covers

A water header cover is a part of the engine cooling system that encloses the water header, which is a component that distributes coolant to various parts of the engine. This cover protects the header from external elements and helps maintain the integrity of the cooling system. It interacts with other components such as the radiator, water pump, and engine block to ensure efficient coolant circulation and temperature regulation 2.

Purpose of the Water Header Cover

This Cummins part is specifically designed to fit certain heavy-duty truck engines. It plays a role in the operation of the engine by providing a seal for the water header, which is crucial for maintaining the pressure and flow of coolant within the system. This cover helps in maintaining optimal engine temperature, which is vital for the engine’s performance and longevity.

Key Features

The 3648236 is constructed from durable materials that can withstand the high temperatures and pressures of a heavy-duty engine environment. Its design includes precise fittings and seals to ensure a secure attachment to the engine. Additionally, it may feature unique characteristics such as enhanced corrosion resistance or improved thermal conductivity, which contribute to its performance and durability.

Benefits

The advantages of using the 3648236 include improved engine efficiency due to better coolant management, increased durability under demanding conditions, and enhanced reliability. These factors contribute to the overall performance and lifespan of the engine, making it a valuable component for heavy-duty applications.

Installation Process

Installing the 3648236 requires careful attention to ensure a secure and effective fit. The process involves cleaning the mating surfaces, applying any necessary gaskets or sealants, aligning the cover with the water header, and securing it in place with the appropriate fasteners. It is important to follow the manufacturer’s guidelines to avoid damage to the component or the engine.

Maintenance Tips

To ensure the longevity and optimal performance of the 3648236, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the cover to remove any buildup that could affect its function, and checking the seals and gaskets for integrity. Adhering to these maintenance practices can help prevent issues and ensure the cover continues to perform effectively.

Troubleshooting Common Issues

Common problems associated with water header covers may include leaks or corrosion. If a leak is detected, it is important to identify the source and address it promptly to prevent coolant loss and potential engine damage. Corrosion can be mitigated through regular cleaning and the application of protective coatings, if necessary. Addressing these issues effectively can help maintain the efficiency 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 of innovation and quality, Cummins has established a strong reputation in the automotive industry, particularly for its heavy-duty truck components. The company’s product range includes a variety of engine components that are known for their reliability and performance in demanding applications.

Water Header Cover 3648236 Compatibility with Cummins Engines

This part is designed to fit a variety of Cummins engines. Here is a detailed look at the compatibility of this part with various Cummins engines:

KTA38 Series

  • KTA38GC CM558
  • QSK38 CM2150 MCRS
  • QSK38 CM850 MCRS

This part is compatible with the KTA38 series engines, including the KTA38GC CM558, QSK38 CM2150 MCRS, and QSK38 CM850 MCRS. These engines are known for their robust performance and reliability, often used in heavy-duty applications such as marine and industrial settings.

QSK50 Series

  • QSK50 CM2150 K107
  • QSK50 CM2150 MCRS
  • QSK50 CM2350 K108

This part also fits the QSK50 series engines, which include the QSK50 CM2150 K107, QSK50 CM2150 MCRS, and QSK50 CM2350 K108. These engines are designed for high-performance applications, providing significant power and efficiency. The QSK50 series is often used in power generation, marine, and industrial applications.

Other Compatible Engines

  • 6B5.9
  • GTA38 G CMEICS G116C
  • K38
  • K50

Additionally, the Water Header Cover 3648236 is compatible with other Cummins engines, including the 6B5.9, GTA38 G CMEICS G116C, K38, and K50. These engines are utilized in various applications, ranging from agricultural to marine, showcasing the versatility of the part.

This comprehensive compatibility ensures that the Water Header Cover 3648236 can be used across a wide range of Cummins engines, providing a reliable solution for maintaining the engine’s cooling system.

Role of Part 3648236 Water Header Cover in Engine Systems

The Water Header Cover (part 3648236) is an integral component in the efficient operation of various engine systems. It interfaces with several key components to ensure optimal performance and protection.

Integration with Aftercooler Systems

In engines equipped with an aftercooler, the Water Header Cover plays a significant role in managing the coolant flow to the aftercooler core. This ensures that the compressed air is adequately cooled before entering the combustion chamber, enhancing engine efficiency and performance. The aftercooler plumbing relies on the Water Header Cover to maintain consistent coolant pressure and temperature, which is vital for the aftercooler’s effectiveness.

Coordination with Short Block and Camshaft Assemblies

The Water Header Cover is designed to work in conjunction with the short block K50G3 and camshaft and gear assemblies. It provides a sealed pathway for coolant to circulate around these components, dissipating heat generated during operation. This helps in maintaining the structural integrity and operational efficiency of the cylinder block and camshaft.

Interaction with Oil Cooler and Engine Oil Systems

In engines where an oil cooler is utilized, the Water Header Cover facilitates the integration of the oil cooler water system. It ensures that the engine oil is effectively cooled, preventing overheating and extending the lifespan of the oil and related components. The cover also interacts with the engine’s oil plumbing, ensuring that the coolant and oil systems operate in harmony without cross-contamination.

Support for Intake Manifold and Injectors

The Water Header Cover also supports the intake manifold and injectors by providing a stable and cool environment. This is particularly important in high-performance engines where the intake manifold and injectors are subjected to extreme temperatures. The consistent coolant flow managed by the Water Header Cover helps in maintaining the precision and reliability of fuel delivery.

Protective Role in Engine Assemblies

Beyond its cooling functions, the Water Header Cover acts as a protective cover for various engine parts. It shields the rocker housing and other sensitive components from direct exposure to high temperatures and potential damage. This protective layer is essential for the longevity and performance of the engine.

Enhancing Overall Engine Performance

By ensuring efficient coolant distribution and protection for critical components, the Water Header Cover contributes to the overall performance of the engine. It helps in maintaining optimal operating temperatures, reducing wear and tear, and enhancing the reliability of the engine systems.

Conclusion

The Water Header Cover 3648236 is a critical component in the cooling systems of heavy-duty truck engines. Its role in maintaining optimal engine temperature, protecting critical components, and ensuring efficient coolant distribution is essential for the performance and longevity of the engine. Regular maintenance and proper installation are key to maximizing the benefits of this part.


  1. Dempsey, Paul. Troubleshooting and Repairing Diesel Engines. McGraw-Hill, 2008.

  2. Osgood, Libby, Gayla Cameron, and Emma Christensen. Engineering Mechanics: Statics. Creative Commons, 2024.

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SPECIFICATIONS

Package Dimensions
37.2 x 20.0 x 1.0 in
Weight
5.364 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.