4020059
Engine Piston Kit
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$429.95 $511.64

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 4020059 Engine Piston Kit is a specialized component designed for use in heavy-duty truck engines. This kit is integral to the engine’s operation, facilitating the conversion of combustion pressure into mechanical work, which powers the vehicle. Understanding its purpose and functionality is key to maintaining and optimizing the performance of heavy-duty trucks.

Basic Concepts of Engine Piston Kits

An engine piston kit typically includes pistons, piston rings, wrist pins, and other related components. These parts work together within the internal combustion engine to ensure efficient operation. The pistons move up and down in the cylinders, driven by the expanding gases from combustion. Piston rings seal the combustion chamber, allowing pressure to build and push the piston down, while wrist pins connect the pistons to the connecting rods, transferring motion to the crankshaft 1.

Purpose of the Cummins 4020059 Engine Piston Kit

This Cummins part plays a role in the engine’s operation by converting the energy from combustion into mechanical work. This kit includes precision-engineered pistons that are designed to withstand high pressures and temperatures. The piston rings included in the kit seal the combustion chamber, ensuring that the pressure generated by the combustion process is effectively transferred to the crankshaft, thereby powering the truck 2.

Key Features

The Cummins 4020059 Engine Piston Kit is characterized by several key features. It is constructed from high-quality materials that offer durability and resistance to wear. The design of the pistons includes enhancements such as improved cooling features and optimized weight distribution, which contribute to the kit’s performance and longevity. Additionally, the kit may include unique attributes such as advanced coatings or specialized ring designs that differentiate it from other piston kits 3.

Benefits of Using the Cummins 4020059 Engine Piston Kit

Installing this part can lead to several advantages. These include enhanced engine performance due to the precision engineering of the components, increased durability under demanding conditions, and potential improvements in fuel efficiency. The kit’s design is aimed at reducing friction and wear, which can contribute to longer engine life and more reliable operation 4.

Installation Considerations

Proper installation of the Cummins 4020059 Engine Piston Kit is crucial for ensuring optimal performance and longevity. This process may require specific preparatory steps, such as cleaning the engine block and inspecting other components for wear or damage. The use of appropriate tools and following manufacturer guidelines during installation can help prevent issues and ensure the kit functions as intended.

Maintenance and Troubleshooting

Routine maintenance practices are important for ensuring the longevity of the Cummins 4020059 Engine Piston Kit. This includes regular inspections for wear, proper lubrication, and addressing any signs of damage promptly. Common issues that may arise include piston ring failure or wrist pin wear, which can be identified through routine checks and addressed with timely repairs or replacements.

Manufacturer Overview - 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 committed to quality and innovation in diesel engine technology. The company’s history of excellence and dedication to advancing engine performance and efficiency is reflected in products like the Cummins 4020059 Engine Piston Kit.

Components of Cummins 4020059 Engine Piston Kit

Retaining Ring (3920692)

The retaining ring, identified by the part number 3920692, is a crucial component in the Cummins 4020059 Engine Piston Kit. Its primary role is to secure and hold other components in place within the piston assembly. Specifically, it ensures that the piston rings and other small parts remain correctly positioned on the piston, preventing them from shifting or falling out during engine operation. This stability is essential for maintaining the integrity and performance of the piston as it moves within the cylinder.

Engine Piston (4019886)

The engine piston, designated by the part number 4019886, is the central component of the kit. This piston is responsible for converting the pressure from the combustion of fuel into mechanical motion, which is then transferred to the crankshaft. Its design and material are critical for withstanding high temperatures and pressures within the engine. The piston’s role in the kit is to provide a durable and efficient means of transferring energy, ensuring the engine operates smoothly and effectively.

Piston Ring Set (3802429)

The piston ring set, with the part number 3802429, consists of multiple rings that fit into grooves on the outer diameter of the piston. These rings play a vital role in sealing the combustion chamber, preventing gases from escaping past the piston during the combustion process. Additionally, they help control oil consumption by scraping excess oil from the cylinder walls, ensuring that the right amount of lubrication is maintained without unnecessary oil burning. The piston ring set is essential for achieving optimal engine performance and efficiency.

Conclusion

The Cummins 4020059 Engine Piston Kit is a critical component for heavy-duty truck engines, designed to enhance performance, durability, and efficiency. Proper installation, maintenance, and understanding of its components are essential for maximizing the benefits of this Cummins part.


  1. Taghavifar, H., & Mardani, A. (2017). Offroad Vehicle Dynamics Analysis Modelling and Optimization. Springer.

  2. Reif, K. (2015). Automotive Mechatronics. Springer Vieweg.

  3. Bonneau, D., Fatu, A., & Souchet, D. (2014). Internal Combustion Engine Bearings Lubrication in Hydrodynamic Bearings. Wiley-ISTE.

  4. Cummins Inc. (n.d.). QSL9 G CM558 L104, Service Manual (4326000).

SPECIFICATIONS

Package Dimensions
5.75 x 5.75 x 8.0 in
Weight
4.65 lbs

BILL OF MATERIALS

Name Quantity Part Number
Retaining Ring
Piston Ring Kit
* 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.