4917244
Water Bypass Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,299.95 $1,546.94

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 Water Bypass Tube, part number 4917244, manufactured by Cummins, is a component designed to facilitate efficient engine cooling in heavy-duty trucks. Proper engine cooling is vital for maintaining optimal engine performance and longevity. This part is integral to the engine cooling system, ensuring that the engine operates within the desired temperature range under various operating conditions.

Function and Operation

The Water Bypass Tube operates by regulating the flow of coolant within the engine cooling system. It allows coolant to bypass the thermostat when necessary, ensuring that the engine reaches operating temperature quickly and maintains a consistent temperature thereafter. This regulation helps prevent overheating and ensures that the engine operates efficiently 2.

Key Features

This Cummins part is constructed from durable materials that can withstand the high temperatures and pressures within the engine cooling system. Its design includes precise engineering to ensure a proper fit and function within the system. Unique characteristics such as corrosion-resistant coatings and robust construction enhance its performance and longevity 1.

Benefits

The use of the Water Bypass Tube offers several advantages. It contributes to improved engine efficiency by ensuring that the engine maintains optimal operating temperatures. This regulation reduces the risk of overheating, which can lead to engine damage. Additionally, it enhances the longevity of engine components by providing consistent and reliable cooling 2.

Installation and Compatibility

Proper installation of this part is crucial for its effective function. It is designed to be compatible with specific engine models, ensuring a seamless integration into the cooling system. Following manufacturer guidelines during installation will help maintain the integrity of the cooling system and ensure the tube functions as intended.

Maintenance and Troubleshooting

Regular maintenance of the Water Bypass Tube is important to ensure its continued effective operation. This includes periodic inspections for signs of wear or damage and ensuring that all connections are secure. Common issues may include leaks or blockages, which can be addressed by cleaning or replacing the tube as necessary.

Performance Impact

The Water Bypass Tube plays a role in enhancing overall engine performance. By maintaining optimal engine temperatures, it contributes to improved fuel efficiency and reliability. This is particularly important in heavy-duty truck operations, where consistent performance and reliability are paramount 3.

Cummins Overview

Cummins Inc. is a renowned manufacturer of diesel engines and related components. With a history of innovation and a commitment to quality, Cummins has established a strong reputation in the industry. The company’s focus on research and development ensures that its products, including the Water Bypass Tube, meet the high standards required for heavy-duty applications.

Compatibility with Cummins Engines

The Water Bypass Tube, identified by part number 4917244 and manufactured by Cummins, is a critical component in the cooling system of certain Cummins engines. This part is designed to manage the flow of coolant, ensuring efficient thermal management and preventing overheating.

KTA38GC Series

The KTA38GC series engines, which include models such as the KTA38GC CM558, are high-performance industrial engines known for their durability and reliability. The Water Bypass Tube in these engines is integral to maintaining optimal coolant circulation. It allows for the redirection of coolant flow, bypassing certain sections of the engine to prevent overheating in specific conditions.

CM558 Series

The CM558 series engines, which are part of the broader Cummins lineup, are designed for heavy-duty applications. The Water Bypass Tube in these engines ensures that the coolant flow is optimized, particularly under high-load conditions. This part helps in maintaining the engine’s temperature within safe limits, contributing to the overall longevity and performance of the engine.

Grouping of Engines

The Water Bypass Tube (4917244) is compatible with the following Cummins engines:

  • KTA38GC Series

    • KTA38GC CM558
  • CM558 Series

    • CM558

This part is engineered to fit seamlessly into the cooling systems of these engines, ensuring that the coolant flow is managed effectively. Its design and material are specifically chosen to withstand the operational stresses and thermal conditions of these high-performance engines.

Role of Part 4917244 Water Bypass Tube in Engine Systems

The Water Bypass Tube is an integral component in the thermal management of engine systems, particularly in the auxiliary cooling system. Its primary function is to regulate the flow of coolant, ensuring that the engine maintains optimal operating temperatures under varying conditions.

In the auxiliary cooling system, the Water Bypass Tube works in conjunction with the thermostat, radiator, and water pump. When the engine is cold, the thermostat remains closed, directing coolant flow through the Water Bypass Tube and back into the engine. This creates a bypass loop that allows the engine to warm up more quickly. As the engine temperature rises, the thermostat gradually opens, allowing coolant to flow through the radiator for cooling.

The Water Bypass Tube also plays a significant role in maintaining consistent coolant flow during engine operation. By providing an alternative path for coolant, it helps to balance the pressure within the cooling system, preventing overheating and ensuring efficient heat dissipation. This is particularly important in high-performance or high-stress engine conditions where maintaining precise temperature control is essential for performance and longevity.

Additionally, the Water Bypass Tube contributes to the overall reliability of the cooling system by reducing the risk of coolant cavitation and ensuring smooth operation of the water pump. Its design allows for consistent coolant circulation, which is vital for the effective functioning of the auxiliary cooling components.

Conclusion

The Water Bypass Tube, part number 4917244, is a critical component in the engine cooling system of heavy-duty trucks. Its role in regulating coolant flow ensures that the engine maintains optimal operating temperatures, contributing to improved engine efficiency, reliability, and longevity. Proper installation, maintenance, and understanding of its function are essential for maximizing the benefits of this part in heavy-duty engine applications.


  1. Wharton, A. J. Diesel Engines. Butterworth-Heinemann Ltd, 1991.

  2. Carroll, Douglas R. Energy Efficiency of Vehicles. SAE International, 2020.

  3. Goodnight, Nicholas, and Kirk VanGelder. Automotive Braking Systems CDX Master Automotive Technician Series. Jones Bartlett Learning, 2019.

SPECIFICATIONS

Package Dimensions
33.0 x 10.0 x 10.0 in
Weight
2 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.