4985556
Water Header Cover
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$499.95 $594.94

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

Introduction

The Cummins 4985556 Water Header Cover is a component designed for use in the cooling systems of heavy-duty trucks. Its primary role is to facilitate the efficient circulation of coolant within the engine, ensuring optimal operating temperatures are maintained. This part is integral to the overall cooling system, working in conjunction with other components to prevent engine overheating and maintain performance 1.

Function and Operation

The Water Header Cover operates as a protective and functional element within the engine cooling system. It covers the water header, which is a junction point for coolant flow. The cover interacts with the radiator, thermostat, and water pump to regulate coolant distribution. As coolant is pumped from the water pump, it passes through the header and into the engine block, absorbing heat. The heated coolant then travels to the radiator, where it is cooled before returning to the engine. The Water Header Cover ensures that this process occurs without leaks or inefficiencies, contributing to consistent engine temperature management 2.

Key Features

This Cummins part is constructed from durable materials designed to withstand the high temperatures and pressures of heavy-duty engine environments. Its design includes precise fittings and seals to ensure a secure connection to the water header. The material characteristics of the cover enhance its resistance to corrosion and wear, providing long-lasting performance. Additionally, the cover is engineered to align perfectly with other cooling system components, ensuring efficient coolant flow and system integrity 3.

Benefits

The use of the 4985556 Water Header Cover offers several advantages. It contributes to improved engine cooling efficiency by maintaining a secure and leak-free connection to the water header. The durable construction of the cover enhances the overall reliability of the cooling system, potentially leading to extended engine performance and longevity. By ensuring consistent coolant flow, the cover plays a role in preventing engine overheating, which can lead to costly repairs and downtime.

Installation Process

Installing the Water Header Cover requires careful attention to detail to ensure proper function and system integrity. The process involves removing the old cover, inspecting the water header for any damage or debris, and then positioning the new cover. It is important to use the correct tools to avoid damaging the cover or the header. Alignment is critical, and the cover should be secured according to the manufacturer’s specifications to ensure a tight seal. Following the installation, it is recommended to check for leaks and ensure that the cooling system is functioning as expected.

Maintenance and Troubleshooting

Routine maintenance of the Water Header Cover includes regular inspections for signs of wear, corrosion, or leaks. It is important to ensure that all connections are secure and that the cover remains in good condition. Common issues that may arise include leaks at the seal or corrosion due to exposure to coolant. Troubleshooting steps may involve tightening connections, applying sealant, or replacing the cover if damage is detected. Regular maintenance can help prevent issues and ensure the cooling system operates efficiently.

Cummins 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 and innovation in the automotive and heavy-duty truck industries. The company’s product range includes a variety of engines and components designed to meet the demanding requirements of commercial vehicles, contributing to their performance, efficiency, and reliability.

Role of Part 4985556 Water Header Cover in Engine Systems

The 4985556 Water Header Cover is an essential component in the efficient operation of various engine systems, particularly in the management and regulation of fluid dynamics within the engine.

Integration with Plumbing Systems

In the context of engine plumbing, the Water Header Cover serves as a protective and regulatory element. It is strategically positioned to cover and seal the water header, which is a critical junction in the engine’s cooling system. This cover ensures that the coolant flow is directed efficiently through the engine block and cylinder heads, maintaining optimal engine temperature. The cover also prevents coolant leaks, which could lead to engine overheating and potential damage.

Function in Oil Cooler Water Systems

When integrated with oil cooler water systems, the 4985556 Water Header Cover plays a significant role in thermal management. The oil cooler relies on a consistent flow of coolant to dissipate heat from the engine oil. The Water Header Cover ensures that the coolant is evenly distributed across the oil cooler, enhancing the heat exchange process. This results in more effective cooling of the engine oil, which is vital for maintaining engine performance and longevity.

Overall Impact on Engine Performance

The efficient operation of the 4985556 Water Header Cover within these systems contributes to the overall stability and performance of the engine. By ensuring proper coolant flow and preventing leaks, it helps in maintaining the engine’s operational temperature within safe limits. This not only enhances engine efficiency but also reduces the risk of thermal stress-related failures.

Conclusion

In summary, the 4985556 Water Header Cover is a key component in the intricate network of engine systems, playing a vital role in the regulation and management of coolant flow, which is essential for the engine’s thermal management and overall performance.


  1. Pulkrabek, W. W. (2014). Engineering Fundamentals of the Internal Combustion Engine. Pearson Education.

  2. Taghavifar, H., & Mardani, A. (2017). Offroad Vehicle Dynamics Analysis Modelling and Optimization. Springer.

  3. Mom, G. (2023). The Evolution of Automotive Engineering: A Handbook. SAE International.

SPECIFICATIONS

Package Dimensions
38.7 x 14.5 x 4.8 in
Weight
16.85 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.