4024938
Engine Piston Kit
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$909.95 $1,082.84

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 4024938 Engine Piston Kit is a component designed for use in commercial truck engines. Manufactured by Cummins Inc., a well-established name in the engine manufacturing industry, this part plays a role in the efficient operation of truck engines by facilitating the conversion of fuel energy into mechanical work 1.

Basic Concepts of Engine Piston Kits

An engine piston kit typically includes pistons, piston rings, and wrist pins. These components work together within an internal combustion engine to enable the conversion of fuel energy into mechanical energy. Pistons move up and down within the engine’s cylinders, driven by the combustion of fuel. This motion is transferred through connecting rods to the crankshaft, which converts the linear motion of the pistons into rotational motion to drive the vehicle 2.

Purpose and Function of the 4024938 Engine Piston Kit

The Cummins 4024938 Engine Piston Kit is specifically designed to enhance the performance, efficiency, and durability of truck engines. It contributes to engine performance by ensuring smooth and efficient piston movement within the cylinders. This kit aids in maintaining optimal compression levels, which is vital for efficient fuel combustion. Additionally, it plays a role in reducing engine wear and tear, thereby enhancing the engine’s longevity 3.

Key Features

The Cummins 4024938 Engine Piston Kit is characterized by its high-quality material composition and design elements that are tailored for heavy-duty applications. The kit is constructed from durable materials that can withstand the high temperatures and pressures within a truck engine. Its design includes features that enhance its performance and longevity, such as precision-machined surfaces for optimal fit and reduced friction.

Benefits

The use of the Cummins 4024938 Engine Piston Kit can lead to improved engine efficiency, as it ensures that the engine operates at peak performance levels. It also contributes to reduced wear and tear on engine components, which can lead to enhanced durability and potentially lower maintenance costs over time. Additionally, the kit’s design helps in maintaining optimal engine compression, which is beneficial for fuel efficiency.

Troubleshooting and Maintenance

Common issues with engine piston kits may include excessive wear, piston ring failure, or wrist pin issues. Symptoms to watch for include decreased engine performance, increased fuel consumption, or unusual engine noises. Regular maintenance practices, such as monitoring engine performance, checking for wear and tear, and following the manufacturer’s recommended service intervals, can help ensure the optimal performance and longevity of the piston kit.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the industry, Cummins is known for its commitment to quality and innovation in the production of engine components. The company’s history of excellence and dedication to advancing technology has established it as a trusted name in the automotive and heavy-duty truck sectors.

Components of Cummins Engine Piston Kit (4024938)

Retaining Ring (3016652)

The retaining ring, also known as a circlip, is a component in the Cummins Engine Piston Kit. It is designed to securely hold the piston pin in place within the piston assembly, ensuring that it does not move out of position during engine operation. This component plays a role in maintaining the structural integrity and alignment of the piston within the cylinder, which is important for efficient engine performance.

Piston Ring Set (3803977)

The piston ring set is a fundamental part of the Cummins Engine Piston Kit. This set typically includes compression rings and oil control rings, which are responsible for creating a seal between the piston and the cylinder wall. The compression rings help to maintain combustion chamber pressure, while the oil control rings manage the lubrication of the cylinder wall, reducing friction and wear. The proper functioning of these rings is important for engine efficiency and longevity.

Engine Top Level Assembly Piston (4059949)

The engine top level assembly piston is a comprehensive component within the Cummins Engine Piston Kit. This assembly includes the piston crown, skirt, and often the piston pin bosses. It is designed to withstand the high pressures and temperatures within the engine cylinder. The top level assembly ensures that the piston moves smoothly within the cylinder, contributing to the overall performance and reliability of the engine.

Piston Pin (4374086)

The piston pin, also known as the wrist pin, is a component in the Cummins Engine Piston Kit. It connects the piston to the connecting rod, allowing the piston to move up and down within the cylinder while the connecting rod converts this linear motion into rotational motion at the crankshaft. The piston pin must be strong and durable to handle the forces exerted during engine operation, ensuring smooth and efficient power transmission.

Conclusion

The Cummins 4024938 Engine Piston Kit is a vital component for the efficient and reliable operation of commercial truck engines. Its high-quality design and durable construction contribute to enhanced engine performance, efficiency, and longevity. Regular maintenance and proper troubleshooting can further ensure the optimal functioning of this Cummins part.


  1. Maclaurin, Bruce. High Speed Off-Road Vehicles. Wiley, 2018.

  2. Halderman, James D. Automotive Principles: Diagnosis and Service. Prentice Hall, 2012.

  3. Duffy, Owen C, and Gus Wright. Fundamentals of Medium-Heavy Duty Commercial Vehicle Systems. Jones Bartlett Learning, 2016.

SPECIFICATIONS

Package Dimensions
6.88 x 6.88 x 10.25 in
Weight
10.37 lbs

BILL OF MATERIALS

Name Quantity Part Number
Retaining Ring
Piston Ring Set
Piston Pin
* 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.