3647140
Water Pump
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3,199.95 $3,807.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 3647140 Water Pump is a critical component for commercial trucks, designed to circulate coolant through the engine to maintain optimal operating temperatures. This part ensures the engine runs efficiently and prevents overheating, which can lead to engine damage 1.

Basic Concepts of Water Pumps

A water pump is a mechanical device that moves coolant through an engine’s cooling system. It operates using a rotating impeller to create centrifugal force, pushing the coolant through the system. The principles of fluid dynamics that govern its operation include the transfer of kinetic energy from the impeller to the coolant, facilitating its movement through the engine block, radiator, and back again 2.

Role of the 3647140 Water Pump in Truck Operation

The Cummins 3647140 Water Pump maintains engine temperature by circulating coolant through the engine’s passages. This circulation helps dissipate heat generated by combustion, ensuring the engine operates within its designed temperature range. By preventing overheating, the water pump contributes to the efficient operation of the truck and extends the engine’s lifespan 3.

Key Features

The primary features of the Cummins 3647140 Water Pump include a robust design that incorporates high-quality materials to enhance performance and durability. The pump is engineered with precision to ensure a tight seal and efficient coolant flow. Its construction is tailored to withstand the rigors of commercial truck applications, providing reliable service under demanding conditions.

Benefits of Using the 3647140 Water Pump

The Cummins 3647140 Water Pump offers several advantages. It contributes to improved engine efficiency by maintaining consistent coolant flow, which helps regulate engine temperature. The pump’s durable construction and reliable performance enhance the longevity of the engine. Additionally, its design ensures reliability in the challenging environments typical of commercial truck operations.

Installation and Compatibility

Proper installation of the Cummins 3647140 Water Pump involves following manufacturer guidelines to ensure it is securely fitted and aligned with the engine’s cooling system components. Specific requirements may vary depending on the truck model, and it is important to consult the vehicle’s service manual for detailed instructions and any model-specific considerations.

Maintenance and Troubleshooting

Regular maintenance practices for the Cummins 3647140 Water Pump include inspecting for leaks, ensuring the impeller is free of debris, and verifying that the pump is securely mounted. Troubleshooting common issues may involve checking for proper coolant levels, inspecting hoses for wear, and ensuring the pump is receiving adequate power. Addressing these areas can help maintain the pump’s performance and longevity.

Performance Under Various Conditions

The Cummins 3647140 Water Pump is designed to perform effectively under a range of operating conditions. It is capable of handling extreme temperatures, heavy loads, and varying driving environments. The pump’s robust construction and efficient design allow it to maintain coolant flow and engine temperature regulation, even in the most demanding situations.

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 a strong reputation in the industry, Cummins is committed to producing high-quality automotive components. The company’s dedication to excellence is evident in its range of products, including the Cummins 3647140 Water Pump, which is designed to meet the rigorous demands of commercial truck applications.

Water Pump Fitment for Cummins Part 3647140

The Cummins part number 3647140, which is a Water Pump, is designed to fit seamlessly into various engine models. This water pump is integral to maintaining the optimal operating temperature of the engine by circulating coolant through the engine block and radiator.

K38 Engines

For the K38 engine series, the water pump 3647140 is engineered to integrate smoothly with the engine’s cooling system. This part ensures efficient coolant flow, which is crucial for preventing engine overheating and maintaining performance. The design of the water pump is tailored to fit the specific mounting points and coolant passages of the K38 engine, ensuring a perfect seal and reliable operation.

K50 Engines

Similarly, the K50 engine series benefits from the use of the Cummins part number 3647140. This water pump is crafted to align with the K50 engine’s cooling requirements, providing consistent coolant circulation. The precision engineering of this water pump guarantees that it fits the K50 engine’s unique specifications, contributing to the engine’s longevity and efficiency.

Grouping of Engines

Both the K38 and K50 engines share common design principles in their cooling systems, which allows the water pump 3647140 to be compatible across these models. This compatibility ensures that technicians and mechanics can use the same part for multiple engine types, simplifying maintenance and repair processes. The water pump’s design accommodates the specific thermal and hydraulic demands of these engines, ensuring that they operate within their optimal temperature range.

Conclusion

The Cummins 3647140 Water Pump is a fundamental component in the engine’s cooling system, ensuring that coolant is effectively circulated to maintain engine temperature within safe operating limits. Its integration with the engine block, cylinder head, and coolant passages underscores its importance in the overall thermal management of the engine.


  1. Quansheng Zhan, Shengbo Eben, Li Kun Deng. Automotive Heating Ventilation and Air Conditioning. Jones Bartlett Learning, 2018.

  2. Tigran Parikyan Ed. Advances in Engine and Powertrain Research and Technology. Springer Nature, 2022.

  3. Thomas D. Gillespie. Fundamentals of Vehicle Dynamics. SAE International, 2021.

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SPECIFICATIONS

Service Part Topic
TSB110084
Package Dimensions
55.0 x 31.2 x 40.5 in
Weight
28.525 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.