4376348
Engine Piston Kit
Cummins®

IN STOCK

Cummins®

10 are currently available

Ships within 1 business day

$289.95 $345.04

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 4376348 Engine Piston Kit is a specialized component designed for use in heavy-duty trucks. Its purpose is to ensure the efficient and reliable operation of the engine by replacing worn or damaged piston components. This kit plays a significant role in maintaining the performance and durability of the truck’s engine, contributing to its overall effectiveness and longevity 1.

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 an internal combustion engine to convert the energy from fuel combustion into mechanical work. The pistons move up and down within the engine cylinders, driven by the pressure of the combusted fuel. Piston rings seal the combustion chamber, ensuring efficient compression and power delivery. Wrist pins connect the pistons to the connecting rods, transferring motion to the crankshaft 2.

Role of the 4376348 Engine Piston Kit in Truck Operation

This Cummins part is integral to the efficient and reliable operation of a truck’s engine. By providing high-quality piston components, it helps maintain optimal compression within the cylinders, which is vital for efficient fuel combustion and power generation. The kit’s components are designed to withstand the high stresses and temperatures of heavy-duty truck engines, contributing to the engine’s performance and durability. Proper functioning of the piston kit ensures smooth engine operation, reduces the risk of mechanical failures, and supports consistent power output 3.

Key Features of the Cummins 4376348 Engine Piston Kit

The Engine Piston Kit stands out due to several specific features. It is constructed from high-quality materials that offer superior strength and durability. The design enhancements include improved piston ring profiles and coatings that reduce friction and wear. Technological integrations such as advanced manufacturing processes ensure precision and reliability. These features collectively contribute to the kit’s ability to perform under the demanding conditions typical of heavy-duty truck engines 4.

Benefits of Using the Cummins 4376348 Engine Piston Kit

Utilizing this part offers several advantages. It enhances engine efficiency by ensuring optimal compression and reducing energy losses. The kit contributes to the longevity of the engine by providing durable components that resist wear and damage. Reliability is improved as the high-quality materials and precise manufacturing reduce the likelihood of mechanical issues. Overall, the kit supports consistent and powerful engine performance, which is crucial for the operation of heavy-duty trucks 1.

Installation Considerations

When installing 4376348, it is important to follow guidelines and best practices to ensure optimal performance. Proper procedures include thorough cleaning of the engine components, careful handling of the piston kit parts to avoid damage, and precise alignment during installation. Attention to detail in following the manufacturer’s instructions helps prevent installation errors that could affect engine performance. Ensuring all components are correctly seated and secured is vital for the kit to function as intended 2.

Maintenance and Troubleshooting

To maintain this Cummins part and troubleshoot common issues, regular inspections and maintenance are recommended. This includes checking for signs of wear or damage, ensuring proper lubrication, and addressing any unusual noises or performance issues promptly. Keeping the engine clean and free of contaminants also supports the longevity of the piston kit. Troubleshooting may involve diagnosing issues such as reduced compression, increased oil consumption, or unusual engine sounds, and taking corrective actions as needed to prolong the kit’s lifespan and ensure consistent engine performance 3.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer with a rich history in diesel engine technology. The company is renowned for its expertise, innovation, and commitment to quality in the automotive industry. Cummins has a long-standing reputation for producing reliable and high-performance engine components, including piston kits. Their dedication to advancing diesel technology and providing superior products underscores their position as a trusted name in the field of heavy-duty truck engines 4.

Components of Cummins Engine Piston Kit 4376348

Retaining Rings (3920691)

The retaining rings in the Cummins Engine Piston Kit 4376348 are essential for securing components within the piston assembly. These rings ensure that parts such as the piston pin remain firmly in place, preventing movement that could lead to wear or failure. Each kit includes two retaining rings to accommodate the piston pins on both ends of the piston.

Piston Pins (4931041)

The piston pins, also known as wrist pins, are critical components that connect the piston to the connecting rod. In this kit, two piston pins are provided to ensure that each piston can be properly attached to the connecting rod, allowing for smooth and efficient transmission of force from the piston to the crankshaft.

Piston Ring Sets (4955480)

Each piston in the kit is accompanied by a set of piston rings with a .50 mm clearance. These rings play a vital role in creating a seal between the piston and the cylinder wall, which is essential for maintaining compression and preventing gas leakage. The kit includes two sets of piston rings, one for each piston, ensuring optimal performance and efficiency.

Engine Pistons (5336104)

The engine pistons are the core components of the kit. These pistons are designed to withstand the high pressures and temperatures within the engine cylinder. The kit includes two engine pistons, each equipped with piston pins and piston rings, ready for installation into the engine block.

Conclusion

The Cummins 4376348 Engine Piston Kit is a vital component for maintaining the performance and reliability of heavy-duty truck engines. Its high-quality materials, precise manufacturing, and advanced design features ensure optimal engine operation, durability, and efficiency. Proper installation, regular maintenance, and timely troubleshooting are essential to maximize the benefits of this part and ensure the longevity of the engine.


  1. Eret, Angelina. Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves. Springer Nature, 2024.

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

  3. Bennett, Sean, and Norman, Ian Andrew. Heavy Duty Truck Systems Fifth Edition. Delmar Cengage Learning, 2011.

  4. Osgood, Libby, Cameron, Gayla, and Christensen, Emma. Engineering Mechanics: Statics. Creative Commons, 2024.

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SPECIFICATIONS

Comments
0.50 mm Oversize.
Package Dimensions
5.8 x 5.7 x 8.3 in
Weight
5 lbs

BILL OF MATERIALS

Name Quantity Part Number
Retaining Ring
Piston Pin
Set,piston Ring .50 mm
* 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.