4350128
Aftercooler Cover Gasket
Cummins®

AVAILABLE

Cummins®

2 are currently available

Ships within 2-4 business days

$529.95 $630.64

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

The Cummins 4350128 Crankshaft Counterweight is a component designed for use in heavy-duty truck engines. Its purpose is to contribute to the balance and smooth operation of the engine by counteracting the forces generated by the crankshaft’s rotation. This counterweight plays a role in maintaining the engine’s efficiency and longevity by ensuring that the crankshaft operates with minimal vibration and stress 3.

Basic Concepts of Crankshaft Counterweights

Crankshaft counterweights are integral components in an engine’s design, serving to balance the rotating assembly. When the crankshaft rotates, it generates forces that can cause vibrations and imbalance. Counterweights are positioned to offset these forces, ensuring that the crankshaft remains stable and operates smoothly. This balance is important for the engine’s efficiency, as it allows for consistent power delivery and reduces wear on engine components 4.

Purpose of the 4350128 Crankshaft Counterweight

The 4350128 Crankshaft Counterweight is specifically engineered to enhance the balance of the crankshaft in heavy-duty truck engines. By precisely counteracting the rotational forces, it helps to minimize vibrations. This reduction in vibration not only contributes to a smoother engine operation but also plays a role in protecting the engine from excessive wear and potential damage. The counterweight’s design ensures that the crankshaft maintains optimal balance, which is vital for the engine’s performance and durability 1.

Key Features

The 4350128 Crankshaft Counterweight is characterized by its robust design and high-quality materials, which are selected to withstand the demanding conditions of heavy-duty truck engines. Its precise engineering ensures that it effectively balances the crankshaft, while its durable construction contributes to its longevity. The counterweight’s design may include features that enhance its performance, such as specific weight distribution and material composition that resist wear and corrosion 2.

Benefits of Using the 4350128 Crankshaft Counterweight

Incorporating the 4350128 Crankshaft Counterweight into a truck engine offers several advantages. It contributes to improved engine balance, which can lead to more consistent power output and reduced stress on engine components. Additionally, by minimizing vibrations, it helps to extend the lifespan of the engine and its parts. The enhanced balance and reduced wear can result in better overall engine performance and efficiency 3.

Installation and Compatibility

Proper installation of the 4350128 Crankshaft Counterweight is vital for ensuring its effectiveness and the engine’s optimal performance. It is important to follow manufacturer guidelines for installation, which may include specific torque settings and alignment procedures. Ensuring that the counterweight is correctly installed will help to achieve the desired balance and reduce the risk of engine issues 4.

Maintenance and Troubleshooting

Routine maintenance practices can help to ensure the longevity and effectiveness of the 4350128 Crankshaft Counterweight. Regular inspections for signs of wear or damage are recommended, along with following the manufacturer’s maintenance schedule. Troubleshooting common issues may involve checking for proper installation, ensuring that the counterweight is securely fastened, and addressing any imbalance or vibration concerns promptly 1.

Cummins Corporation 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 strong reputation in the automotive and heavy-duty truck industries, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product offerings and global presence underscore its leadership in the power industry 2.

Crankshaft Counterweight 4350128 Compatibility with Cummins Engines

The Crankshaft Counterweight part number 4350128, manufactured by Cummins, is designed to fit seamlessly with specific models of Cummins engines. This part is crucial for maintaining the balance and smooth operation of the crankshaft, ensuring that the engine runs efficiently and reliably.

QSK95 Series

The QSK95 series engines, including the QSK95 CM2350 K111 and QSK95 CM2350 K113, are high-performance engines that benefit from the precision engineering of the 4350128 Crankshaft Counterweight. This part is engineered to fit these engines perfectly, providing the necessary balance and reducing vibrations that can occur during operation. The compatibility of this counterweight with the QSK95 series ensures that the engine maintains optimal performance and longevity.

CM2350 Series

The CM2350 series engines, specifically the QSK95 CM2350 K111 and QSK95 CM2350 K113, are designed for heavy-duty applications and require components that can withstand rigorous conditions. The 4350128 Crankshaft Counterweight is specifically designed to meet these demands, ensuring that the crankshaft operates smoothly and efficiently. This part is a critical component in maintaining the balance and reducing wear on the crankshaft, which is essential for the longevity and performance of the engine.

K111 and K113 Variants

Both the K111 and K113 variants of the QSK95 CM2350 engines are equipped with the 4350128 Crankshaft Counterweight. This part is engineered to fit these specific variants, ensuring that the crankshaft maintains the correct balance and reduces vibrations. The precision engineering of this counterweight is essential for the smooth operation of these engines, which are used in a variety of demanding applications.

By ensuring that the 4350128 Crankshaft Counterweight is used with the QSK95 CM2350 K111 and QSK95 CM2350 K113 engines, operators can maintain the balance and efficiency of the crankshaft, leading to improved performance and longevity of the engine.

Role of Part 4350128 Crankshaft Counterweight in Engine Systems

The crankshaft counterweight, specifically part 4350128, is integral to maintaining the balance and stability of the engine’s rotating assembly. When integrated with components such as the aftercooler and aftercooler kit, it ensures optimal performance and efficiency of the engine system.

Integration with Aftercooler

The aftercooler is a heat exchanger that cools the compressed air from the turbocharger before it enters the engine’s intake manifold. The crankshaft counterweight plays a supportive role by ensuring that the engine’s rotational forces are balanced. This balance is essential for the aftercooler to function effectively, as any imbalance could lead to vibrations that might affect the aftercooler’s efficiency and durability 3.

Interaction with Aftercooler Kit

An aftercooler kit typically includes additional components designed to enhance the cooling process further. The crankshaft counterweight aids in this setup by providing a stable operating environment. The balanced rotation of the crankshaft, facilitated by the counterweight, minimizes vibrations. This stability allows the aftercooler kit to perform its cooling function without interference from excessive engine vibrations, thereby maintaining the integrity and performance of the aftercooler kit components 4.

Conclusion

The Cummins 4350128 Crankshaft Counterweight is a critical component in the maintenance of engine balance and efficiency in heavy-duty truck engines. Its precise engineering and robust design contribute to the smooth operation of the crankshaft, reducing vibrations and stress on engine components. Proper installation, maintenance, and understanding of its compatibility with specific Cummins engine models are essential for maximizing the benefits of this part. By integrating this counterweight with other engine components, such as the aftercooler and aftercooler kit, the overall performance and longevity of the engine system are enhanced.


  1. Zhao, H. (2010). Advanced Direct Injection Combustion Engine Technologies and Development Volume 2 Diesel Engines. CRC Press.

  2. ElGindy, M., & ElSayegh, Z. (2023). Road and Off-Road Vehicle Dynamics. Springer Nature.

  3. Richards, P., & Barker, J. (2023). Automotive Fuels Reference Book. SAE International.

  4. Hu, H., Baseley, S. J., & Song, X. (2021). Advanced Hybrid Powertrains for Commercial Vehicles Second Edition. SAE International.

SPECIFICATIONS

Package Dimensions
49.25 x 17.5 x 0.13 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.