3957365
Water Inlet Connection
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$109.95 $142.94

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 Cummins 3957365 Water Inlet Connection is a critical component for commercial trucks, facilitating the efficient flow of coolant into the engine. This part is essential for maintaining the engine’s optimal operating temperature, which is crucial for performance and longevity.

Basic Concepts of Water Inlet Connection

A Water Inlet Connection is a component of the engine cooling system that allows coolant to enter the engine block. Its primary function is to ensure a steady supply of coolant, which absorbs heat generated during engine operation. By maintaining a consistent flow of coolant, the Water Inlet Connection helps regulate engine temperature, preventing overheating and ensuring efficient operation 1.

Purpose of the 3957365 Water Inlet Connection

The 3957365 Water Inlet Connection serves as a conduit for coolant entry into the engine, designed to integrate seamlessly with the engine’s cooling system. This ensures that coolant is distributed effectively throughout the engine block, contributing to overall engine performance by maintaining a stable operating temperature 2.

Key Features

The 3957365 Water Inlet Connection is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials resistant to corrosion and wear, ensuring longevity. The design includes precise fittings and connections that facilitate a secure and leak-free installation. Additionally, it is engineered to withstand the high pressures and temperatures typical of commercial truck engines 3.

Benefits

The benefits of the 3957365 Water Inlet Connection include improved cooling efficiency, contributing to enhanced engine longevity. Its reliable performance under various operating conditions ensures that the engine remains at an optimal temperature, reducing the risk of overheating and associated damage. This part’s durability and efficiency make it a valuable component in the maintenance and operation of commercial trucks 4.

Installation Process

Installing the 3957365 Water Inlet Connection requires careful attention to detail to ensure a secure and effective fit. The process involves preparing the engine area, aligning the connection with the engine block, and securing it in place using the appropriate tools. It is important to follow manufacturer guidelines to avoid common installation errors that could lead to leaks or inefficient cooling. Proper installation is key to ensuring the part functions as intended within the engine cooling system 5.

Common Issues and Troubleshooting

Common issues that may arise with the 3957365 Water Inlet Connection include leaks or blockages. These problems can often be traced to improper installation, wear and tear, or corrosion. Troubleshooting steps may involve inspecting the connection for signs of damage, ensuring all fittings are secure, and cleaning or replacing the part if necessary. Regular checks can help identify potential issues before they lead to more significant problems 6.

Maintenance Tips

To ensure the longevity and optimal performance of the 3957365 Water Inlet Connection, regular maintenance practices are recommended. This includes periodic inspections for signs of wear or damage, cleaning the connection to remove any buildup that could impede coolant flow, and ensuring all connections are tight and secure. Adhering to these maintenance tips can help prevent common issues and extend the life of the component 7.

Compatibility and Applications

The 3957365 Water Inlet Connection is designed for use in specific types of engines and truck models, demonstrating its versatility and widespread application in the industry. Its compatibility with a range of commercial trucks underscores its importance as a reliable component in the engine cooling system 8.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of high-quality engine components and systems. With a history of innovation and excellence, Cummins has established a reputation for producing reliable and efficient parts that meet the demanding requirements of commercial trucking. The 3957365 Water Inlet Connection is a testament to Cummins’ commitment to quality and performance in the industry.

Water Inlet Connection Part 3957365 Compatibility with Cummins Engines

The Water Inlet Connection part 3957365, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral to the engine’s cooling system, ensuring that coolant flows efficiently into the engine block. Below is a detailed breakdown of the engines with which this part is compatible:

B5.9 and B6.7 Series Engines

  • B5.9 GAS PLUS CM556
  • B6.7 CM2670 B153B

These engines, part of the B5.9 and B6.7 series, utilize the Water Inlet Connection part 3957365 to maintain optimal coolant flow. This ensures that the engine operates within its ideal temperature range, enhancing performance and longevity.

ISB Series Engines

  • ISB CM2150
  • ISB CM550
  • ISB CM850
  • ISB6.7 CM2250
  • ISB6.7 CM2350 B101
  • ISB6.7 G CM2180 B118

The ISB series engines, including both the ISB and ISB6.7 variants, are compatible with the Water Inlet Connection part 3957365. This part is crucial for these engines as it facilitates the proper routing of coolant, contributing to efficient thermal management.

QSB Series Engines

  • QSB4.5 CM2250 EC
  • QSB4.5 CM850(CM2850)
  • QSB5.9 44 CM550
  • QSB6.7 CM2250
  • QSB6.7 CM2350 B105
  • QSB6.7 CM850(CM2850)
  • QSB7 CM2880 B117

The QSB series engines, ranging from QSB4.5 to QSB7, also incorporate the Water Inlet Connection part 3957365. This part is essential for these engines as it ensures that coolant is effectively directed into the engine block, maintaining the necessary temperature for peak performance.

Role of Part 3957365 Water Inlet Connection in Engine Systems

The Water Inlet Connection, identified as part 3957365, serves a significant function within the engine’s cooling system. It is responsible for facilitating the entry of coolant into the engine block, ensuring that the internal components remain at an optimal operating temperature.

This component interfaces directly with the water pump, which circulates the coolant throughout the engine. The efficient flow of coolant is essential for dissipating heat generated by the combustion process. The Water Inlet Connection is also connected to the thermostat housing, allowing for temperature-regulated flow of coolant into the engine.

Furthermore, this part is linked to the engine block’s water jackets, which are passages designed to surround the cylinders and other heat-generating components. The coolant flows through these jackets, absorbing heat and then exiting through the outlet connection to return to the radiator for cooling.

In summary, the Water Inlet Connection is a key component in maintaining the thermal efficiency of the engine, ensuring that all interconnected parts—from the water pump to the thermostat housing and water jackets—function harmoniously to prevent overheating and maintain engine performance.

Conclusion

The Cummins 3957365 Water Inlet Connection is a vital component in the engine cooling system of commercial trucks. Its role in facilitating the efficient flow of coolant into the engine block ensures that the engine operates at an optimal temperature, contributing to performance and longevity. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engines are essential for maximizing the benefits of this part.


  1. Hilgers, Michael. Transmissions and Drivetrain Design. Springer Vieweg, 2022.

  2. Goodnight, Nicholas, and Kirk Van Gelder. Automotive Braking Systems. Jones & Bartlett Learning, 2018.

  3. Thompson, Rob. Automotive Maintenance: Light Repair. Cengage Learning, 2019.

  4. Gifford, Clive. Cars Encyclopedia. DK Publishing, 2014.

  5. Cummins Inc. QST30 CM2350 T103C, Service Manual (6309062).

  6. Thompson, Rob. Automotive Maintenance: Light Repair. Cengage Learning, 2019.

  7. Thompson, Rob. Automotive Maintenance: Light Repair. Cengage Learning, 2019.

  8. Cummins Inc. QST30 CM2350 T103C, Service Manual (6309062).

SPECIFICATIONS

Package Dimensions
15.0 x 5.25 x 5.0 in
Weight
0.65 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.