3028685
Engine Piston
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$164.99 $193.70

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 3028685 Engine Piston is a component designed for use in commercial truck engines. It plays a role in the engine’s operation, contributing to the overall performance and efficiency of the vehicle. Understanding its function and significance is key to maintaining and optimizing the performance of commercial trucks.

Basic Concepts of Engine Pistons

An engine piston is a cylindrical component that moves up and down within the engine’s cylinders. Its fundamental role in the internal combustion engine is to convert the energy released from the combustion of fuel into mechanical work. This is achieved through the piston’s movement, which drives the crankshaft, ultimately powering the vehicle. The piston’s design and material are important to its ability to withstand high pressures and temperatures, ensuring efficient and reliable engine operation 1.

Purpose of the Cummins 3028685 Engine Piston

This Cummins part plays a specific role in the operation of a truck engine. It is involved in the engine’s combustion cycle, where it moves downward to allow air and fuel into the cylinder, compresses the mixture during the compression stroke, and then moves upward as the fuel ignites, converting the energy into mechanical force. This piston’s design is tailored to enhance the engine’s performance, efficiency, and durability under the demanding conditions of commercial truck operation 2.

Key Features

The Cummins 3028685 Engine Piston is characterized by its robust design and the use of high-quality materials. It features a precision-engineered shape that ensures optimal sealing within the cylinder, reducing friction and wear. The materials used in its construction are selected for their ability to withstand high temperatures and pressures, contributing to the piston’s durability and performance. Additionally, the piston may incorporate unique characteristics such as advanced coatings or heat treatment processes to further enhance its operational capabilities 3.

Benefits

Utilizing the Cummins 3028685 Engine Piston in a truck engine can lead to several benefits. These include improved engine efficiency due to its precise design and material properties, enhanced reliability under demanding conditions, and increased longevity, reducing the need for frequent replacements. The piston’s contribution to efficient combustion also plays a role in reducing emissions, aligning with environmental standards.

Troubleshooting and Maintenance

Common issues with engine pistons may include wear, damage from debris, or failure due to excessive heat. Troubleshooting these problems involves inspecting the piston for signs of wear or damage, checking the engine’s lubrication system for proper function, and ensuring the cooling system is operating efficiently. Regular maintenance practices, such as changing the engine oil at recommended intervals and monitoring the engine’s performance, can help ensure the longevity and optimal performance of this part.

Installation and Compatibility

Proper installation of the Cummins 3028685 Engine Piston is crucial for ensuring its performance and the engine’s overall efficiency. Installation procedures should follow manufacturer guidelines to ensure the piston is correctly seated and aligned within the cylinder. Compatibility with various Cummins engine models is an important consideration, as it ensures the piston will function as intended within the specific engine design.

Performance Enhancements

The Cummins 3028685 Engine Piston contributes to overall engine performance in several ways. Its design and material properties play a role in enhancing power output by ensuring efficient energy conversion from the combustion process. Additionally, the piston’s contribution to reduced friction and wear can improve fuel efficiency, while its role in efficient combustion can lead to reductions in emissions.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a history of innovation and a commitment to quality, Cummins serves commercial, industrial, and transportation markets worldwide. The company’s product range includes engines, filtration, emissions solutions, and power generation equipment, all designed to meet the demanding needs of its customers.

Compatibility

The Cummins Engine Piston part number 3028685 is designed to fit seamlessly within a variety of engine models, ensuring optimal performance and reliability. This part is engineered to meet the stringent standards required for high-performance engines, making it a critical component for maintaining engine efficiency.

NH/NT 855 Engines

The NH/NT 855 engines are known for their robust construction and durability, often used in heavy-duty applications. The Cummins Engine Piston 3028685 is specifically tailored to fit these engines, ensuring that they operate at peak efficiency. This piston is designed to withstand the high pressures and temperatures typical of these engines, providing a reliable solution for maintaining engine performance over time.

Grouping of Engines

The Cummins Engine Piston 3028685 is compatible with a range of engine models, not limited to the NH/NT 855 series. This part is engineered to fit within the broader family of Cummins engines, ensuring that it can be used across multiple platforms. The versatility of this piston allows for its use in various applications, from industrial machinery to construction equipment, providing a reliable and efficient solution for maintaining engine performance.

Role of Part 3028686 Engine Piston in Engine Systems

The engine piston, specifically part 3028686, is integral to the operation of various engine systems and components. Its primary function is to convert the force generated by the combustion of fuel into mechanical motion, which is then transmitted through the connecting rod to the crankshaft. This conversion is fundamental to the engine’s ability to produce power.

In the context of a Cylinder Kit, the engine piston moves up and down within the cylinder, creating a seal that ensures the combustion process is efficient. The piston’s rings play a significant role in maintaining this seal, which is essential for optimal engine performance.

When considering a Cylinder O/S Kit (Oversize Kit), the engine piston is designed to fit into cylinders that have been bored out to a larger diameter. This allows for the repair and restoration of worn cylinders, ensuring that the engine maintains its efficiency and power output.

In a Cylinder Short Block, the engine piston is a key component that works in conjunction with the crankshaft, connecting rods, and cylinder walls. The short block is the lower part of the engine, and the piston’s movement is vital for the engine’s operation.

An Engine Piston Kit typically includes the piston, piston pins, and piston rings. These components work together to ensure that the piston can move smoothly within the cylinder, minimizing friction and maximizing efficiency.

An Overhaul Kit often includes the engine piston as a replacement part. During an engine overhaul, worn or damaged pistons are replaced to restore the engine to its original condition or improve its performance.

Performance Parts may include upgraded engine pistons designed to handle higher stresses and temperatures. These pistons are often made from stronger materials and are engineered to improve the engine’s power output and efficiency.

In a Piston and Connecting Rod Assembly, the engine piston is connected to the connecting rod, which transmits the piston’s motion to the crankshaft. This assembly is essential for the conversion of linear motion into rotational motion, which drives the engine.

Overall, the engine piston, part 3028686, is a fundamental component in various engine systems and kits, playing a significant role in the engine’s operation and performance.

Conclusion

The Cummins 3028685 Engine Piston is a critical component in the operation of commercial truck engines, contributing to their performance, efficiency, and reliability. Its robust design, high-quality materials, and precise engineering ensure optimal sealing within the cylinder, reducing friction and wear. The benefits of using this part include improved engine efficiency, enhanced reliability under demanding conditions, and increased longevity. Regular maintenance and proper installation are essential for ensuring the optimal performance of this Cummins part. Its compatibility with various Cummins engine models makes it a versatile and reliable solution for maintaining engine performance across different applications.


  1. Diesel Engine Care and Repair, Nigel Calder, The McGraw-Hill Companies, 2007

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

  3. The Vehicle Diesel Engine Startup Process Operational and Environmental Aspects, Pawel Drozdziel, Routledge, 2023

* 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.