4936397
Piston Skirt
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$47.95 $57.06

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 4936397 Piston Skirt is a component manufactured by Cummins, a well-established name in the heavy-duty truck and engine industry. This Cummins part is designed to enhance the performance and durability of truck engines, playing a role in their operation.

Basic Concepts of Piston Skirts

A piston skirt is the lower portion of a piston that does not come into contact with the cylinder wall. Its primary function is to provide structural support and stability to the piston as it moves within the cylinder. The skirt interacts with the cylinder wall through a thin layer of oil, reducing friction and wear 1. It also helps in maintaining the piston’s alignment and contributes to the overall efficiency and longevity of the engine.

Role of the 4936397 Piston Skirt in Truck Engines

The 4936397 Piston Skirt is specifically engineered to enhance the operation of truck engines. It contributes to engine performance by ensuring smooth and stable piston movement, which is important for efficient combustion and power delivery. Additionally, the skirt’s design helps in dissipating heat, reducing the risk of thermal expansion and potential engine damage. Its role in minimizing friction also aids in improving fuel efficiency and reducing wear on engine components.

Key Features of the 4936397 Piston Skirt

The 4936397 Piston Skirt boasts several design and construction features that enhance its performance. It is made from high-quality materials that offer superior strength and durability. The skirt may also feature advanced coating technologies that provide additional protection against wear and corrosion. Unique design elements, such as specific skirt profiles and oil control rings, further contribute to its effectiveness in reducing friction and improving engine efficiency.

Benefits of Using the 4936397 Piston Skirt

Utilizing the 4936397 Piston Skirt in truck engines offers several advantages. It contributes to improved engine efficiency by ensuring smooth piston operation and reducing friction. The skirt’s durable construction enhances the engine’s longevity, while its design helps in dissipating heat and reducing wear on engine components. These benefits collectively contribute to a more reliable and efficient engine performance.

Installation and Compatibility

Proper installation of the 4936397 Piston Skirt is important for ensuring its optimal performance. It is important to follow the manufacturer’s guidelines for installation, which may include specific torque settings and alignment procedures. The skirt is compatible with various Cummins engine models and may also be suitable for other truck makes and models, depending on the specific engine configuration and requirements.

Maintenance and Troubleshooting

Regular maintenance of the 4936397 Piston Skirt is important for ensuring its continued performance and longevity. This includes periodic inspection for signs of wear or damage, cleaning to remove any contaminants, and ensuring proper lubrication. Troubleshooting common issues, such as excessive wear, noise, or performance decline, may involve checking for proper installation, inspecting related engine components, and addressing any lubrication or alignment issues.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a history spanning over a century, Cummins is renowned for its commitment to quality, innovation, and customer satisfaction. The company’s product range includes engines for heavy-duty trucks, which are known for their reliability, performance, and durability. Cummins’ dedication to excellence is reflected in its continuous investment in research and development, ensuring that its products meet the evolving needs of the industry 2.

Role of Part 4936397 Piston Skirt in Engine Systems

The 4936397 Piston Skirt is an integral component within the engine system, working in concert with various other parts to ensure optimal engine performance and efficiency.

Interaction with the Engine Piston and Piston Kit

The Piston Skirt, part 4936397, interfaces directly with the Engine Piston, providing a smooth surface that reduces friction as the piston moves within the cylinder. When integrated into a Piston Kit, the skirt contributes to the overall durability and performance of the piston assembly. This is particularly important in high-performance engines where precision and reduced wear are paramount.

Coordination with the Connecting Rod

In conjunction with the Connecting Rod, the Piston Skirt helps maintain the alignment and stability of the piston as it reciprocates. This interaction is vital for the efficient transfer of force from the piston to the crankshaft, ensuring that the engine’s power output is maximized.

Role in the Overhaul Kit

When included in an Overhaul Kit, the Piston Skirt plays a role in restoring the engine to its original performance specifications. It ensures that the piston operates within the correct clearances, which is important for preventing excessive wear and potential engine failure.

Synergy with the Camshaft

Although the Camshaft operates independently within the valvetrain, the efficiency of the camshaft’s timing is influenced by the smooth operation of the pistons. The Piston Skirt contributes to this by ensuring that the pistons move with minimal resistance, allowing the engine to respond more effectively to the camshaft’s valve events.

Integration with the Fuel Manifold and Injector

The performance of the Fuel Manifold and Injector is indirectly affected by the condition of the Piston Skirt. A well-maintained skirt ensures that the engine runs smoothly, which in turn allows the fuel system to deliver fuel more consistently. This results in better combustion efficiency and overall engine performance.

Contribution to Performance Parts

In the context of Performance Parts, the Piston Skirt is often upgraded to enhance engine capabilities. Modifications to the skirt can improve heat dissipation, reduce weight, and increase the strength of the piston, all of which contribute to higher engine performance and reliability.

Essential Component in Parts and Performance

As a fundamental part within the array of Engine Parts, the Piston Skirt is important for maintaining the integrity and performance of the engine. Its role in reducing friction, ensuring proper piston movement, and contributing to the durability of the engine cannot be overstated.

Conclusion

In summary, the 4936397 Piston Skirt is a key component that works in harmony with other engine parts to deliver reliable and efficient performance. Its design and features contribute to the overall efficiency, durability, and performance of truck engines, making it a valuable component in the Cummins engine lineup.


  1. Bartz, W. J. (2019). Engine Oils and Automotive Lubrication Mechanical Engineering Book 80. CRC Press.

  2. Williams, D. (2022). Generalized Vehicle Dynamics. SAE International.

SPECIFICATIONS

Notes
Item Not Shown In Art.
Package Dimensions
4.8 x 4.4 x 4.4 in
Weight
1.35 lbs
* 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.