3629065
Water Header Cover
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$204.95 $243.89

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 3629065 Water Header Cover is a critical component in the engine cooling systems of heavy-duty trucks. It facilitates the circulation of coolant within the engine, ensuring optimal operating temperatures. This part is essential for maintaining the efficiency and reliability of the engine cooling system.

Purpose and Function

The Water Header Cover directs the flow of coolant to various engine parts, ensuring even distribution. This process absorbs heat from engine components and transfers it away, maintaining the engine’s temperature within a specified range. Consistent temperature management is vital for engine performance and longevity 1.

Key Features

Constructed with high-quality materials, the Cummins 3629065 Water Header Cover offers durability and corrosion resistance. Its design includes precise sealing mechanisms to prevent coolant leaks, which could lead to engine overheating. The cover is engineered to withstand high pressures and temperatures typical in heavy-duty truck engines, ensuring reliable performance under demanding conditions 2.

Benefits

Using the Cummins 3629065 Water Header Cover can lead to improved engine efficiency and longevity. By ensuring consistent coolant flow and temperature regulation, the cover contributes to the overall performance of the truck. Additionally, its robust construction reduces the likelihood of frequent replacements, potentially lowering maintenance costs over time.

Installation and Compatibility

Proper installation of the Cummins 3629065 Water Header Cover is essential for its effective function. It is designed to fit specific engine models, and adherence to the manufacturer’s guidelines during installation is recommended to ensure compatibility and optimal performance. Prerequisites for installation may include specific tools and procedures to ensure a secure fit.

Maintenance and Troubleshooting

Regular maintenance of the Water Header Cover is important to ensure its longevity and efficiency. This includes checking for signs of wear or damage and ensuring that all seals are intact. Common issues may include coolant leaks or reduced efficiency, which can often be addressed by inspecting and replacing worn components as needed.

Safety Considerations

When handling and installing the Cummins 3629065 Water Header Cover, it is important to observe safety guidelines. This includes ensuring that the engine is cool before beginning any work and using appropriate personal protective equipment. Proper maintenance of the cover is also crucial to avoid potential hazards such as engine overheating or failure.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its commitment to quality and innovation. The company has a long history of producing reliable and high-performance automotive components, including those for heavy-duty trucks. Cummins’ reputation is built on its dedication to excellence in manufacturing and its continuous pursuit of technological advancements in the field.

Compatibility with Cummins Engines

The Water Header Cover part number 3629065, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral for maintaining the integrity of the engine’s cooling system, ensuring that water flow is properly managed and regulated.

K-Series Engines

The part 3629065 is compatible with several K-Series engines, including:

  • K38
  • K50

These engines are known for their robust design and are often used in heavy-duty applications.

QSK-Series Engines

The Water Header Cover also fits a range of QSK-Series engines, which include:

  • QSK38 CM2150 MCRS
  • QSK38 CM850 MCRS
  • QSK50 CM2150 K107
  • QSK50 CM2150 MCRS
  • QSK50 CM2350 K108

These engines are part of Cummins’ high-performance lineup, designed for demanding applications where reliability and efficiency are paramount.

G-Series Engines

The part number 3629065 is also suitable for specific G-Series engines, such as:

  • GTA38 G CMEICS G116C
  • KTA38GC CM558

These engines are typically used in industrial and power generation applications, providing a balance of power and durability.

6B-Series Engines

Lastly, the Water Header Cover fits the:

  • 6B5.9

This engine is part of Cummins’ medium-duty lineup, offering a blend of performance and fuel efficiency for various commercial applications.

By ensuring that the Water Header Cover 3629065 is correctly installed, engine owners can maintain optimal cooling performance, thereby extending the life and reliability of their engines.

Role of Part 3629065 Water Header Cover in Engine Systems

The Water Header Cover, identified by part number 3629065, is an integral component in the orchestration of various engine systems. It is primarily responsible for managing the flow of coolant within the engine, ensuring optimal temperature regulation for peak performance and longevity.

Integration with Key Components

  • Aftercooler and Aftercooler Core: The Water Header Cover interfaces with the aftercooler system, facilitating the transfer of coolant to the aftercooler core. This process aids in reducing the temperature of compressed air, enhancing engine efficiency and performance.
  • Aftercooler Plumbing: It is directly connected to the aftercooler plumbing, ensuring a seamless flow of coolant. This connection is vital for maintaining the integrity of the aftercooler system and preventing overheating.
  • Short Block Assembly (K50G3, K38, K50): Within the short block assembly, the Water Header Cover directs coolant to critical areas such as the cylinder head and engine block. This ensures uniform cooling across the engine, safeguarding against thermal stress and potential damage.
  • Camshaft and Gear: The efficient cooling provided by the Water Header Cover indirectly supports the longevity and performance of the camshaft and its associated gear by maintaining stable operating temperatures.
  • Intake Manifold: The cover contributes to the cooling of the intake manifold, which is essential for maintaining the efficiency of the air-fuel mixture and preventing premature detonation.
  • Injectors: By ensuring the engine block remains at an optimal temperature, the Water Header Cover indirectly supports the performance and longevity of the injectors, which are sensitive to temperature variations.
  • Rocker Housing: The cover aids in cooling the rocker housing, which houses the valvetrain components. Proper cooling is essential for the precise operation of these components and the overall valvetrain health.
  • Engine Oil Cooler: In systems where an engine oil cooler is present, the Water Header Cover may also facilitate the transfer of coolant to this component, ensuring that the engine oil remains within the desired temperature range for optimal lubrication and performance.
  • Oil Cooler Water Plumbing: The cover is part of the plumbing system that circulates coolant to and from the oil cooler, ensuring that both the engine oil and the coolant are maintained at optimal temperatures.

In summary, the Water Header Cover (part 3629065) is a pivotal component in the thermal management of the engine, interacting with a variety of systems to ensure that all critical components operate within their designed temperature ranges. This not only enhances performance but also contributes to the durability and reliability of the engine as a whole.

Conclusion

The Cummins 3629065 Water Header Cover is a vital component in the engine cooling system of heavy-duty trucks. Its role in facilitating coolant circulation and maintaining optimal engine temperatures is crucial for engine performance and longevity. Proper installation, regular maintenance, and adherence to safety guidelines are essential for maximizing the benefits of this Cummins part.


  1. Zhao, H. (2010). Advanced Direct Injection Combustion Engine Technologies and Development Volume 2 Diesel Engines. CRC Press.

  2. Schneider, W-H. (2016). Pistons and Engine Testing. Springer Nature.

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* 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.