4325234
Crankshaft Pulley
Cummins®

UNAVAILABLE

Cummins®

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 4325234 Crankshaft Pulley is a component designed for use in commercial trucks, manufactured by Cummins Inc. This pulley is integral to the operation of the truck’s engine, facilitating the transfer of power from the crankshaft to various auxiliary components. Cummins Inc., a well-established name in the commercial truck industry, is known for producing reliable and high-performance engine parts.

Basic Concepts of Crankshaft Pulleys

A crankshaft pulley, also known as a harmonic balancer, is a toothed wheel attached to the front of an engine’s crankshaft. Its primary function is to drive the engine’s accessory belt, which in turn powers components such as the alternator, water pump, and air conditioning compressor. The pulley operates by converting the rotational motion of the crankshaft into linear motion, which is then transferred to the accessory belt 1.

Purpose of the 4325234 Crankshaft Pulley

The 4325234 Crankshaft Pulley plays a role in the operation of a truck by ensuring the efficient transfer of power from the crankshaft to the accessory belt. This transfer is vital for the operation of engine accessories, which contribute to the overall performance and functionality of the truck. The pulley’s design allows it to interact seamlessly with other engine components, enhancing the engine’s efficiency and reliability.

Key Features

The 4325234 Crankshaft Pulley is characterized by its robust design and construction. It is made from high-quality materials that ensure durability and longevity. The pulley’s dimensional specifications are tailored to fit specific engine models, ensuring a precise fit and optimal performance. Additionally, it features a unique design that enhances its functionality and resistance to wear and tear.

Benefits

The advantages of the 4325234 Crankshaft Pulley include improved engine efficiency, enhanced reliability, and increased longevity. Its design contributes to smoother operation of engine accessories, which can lead to better overall engine performance. For fleet operators, the pulley’s durability and efficiency can result in cost savings over time, reducing the need for frequent replacements and repairs.

Installation and Compatibility

Proper installation of the 4325234 Crankshaft Pulley requires the use of specific tools and equipment to ensure a secure fit. It is compatible with various Cummins engine models and may also fit other truck makes and models, depending on the engine’s specifications. Careful attention to the installation process is necessary to maintain the pulley’s performance and longevity.

Troubleshooting and Maintenance

Common issues with the 4325234 Crankshaft Pulley, such as belt slippage or pulley misalignment, can often be diagnosed through visual inspection and testing. Regular maintenance, including checking for wear and ensuring proper alignment, can help prevent these issues and ensure optimal performance. Following manufacturer guidelines for maintenance can extend the pulley’s lifespan and maintain engine efficiency 2.

Performance Enhancements

Aftermarket modifications or upgrades to the 4325234 Crankshaft Pulley can include adjustments to pulley sizing or material upgrades. These enhancements can improve engine performance by optimizing the transfer of power to engine accessories. However, any modifications should be made with caution to ensure compatibility and maintain the pulley’s integrity.

Regulatory Compliance

The 4325234 Crankshaft Pulley must comply with various regulatory standards, including emissions regulations and safety standards. Compliance is ensured through rigorous testing and adherence to manufacturing standards. Cummins Inc. is committed to producing parts that meet or exceed these requirements, ensuring the safety and reliability of their products.

Cummins Inc.

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its high-quality engine parts and comprehensive product offerings. With a strong reputation for reliability and performance, Cummins Inc. continues to innovate and provide solutions that meet the demands of the commercial trucking sector. The company’s commitment to quality and customer satisfaction is reflected in its products, including the 4325234 Crankshaft Pulley.

Cummins Crankshaft Pulley 4325234 Compatibility

The Cummins crankshaft pulley part number 4325234 is designed to fit a variety of engine models, ensuring compatibility across different applications. This part is engineered to work seamlessly with the following engines:

ISV (Nissan) Engines

  • ISV 12.8L: The 4325234 crankshaft pulley is specifically tailored to fit the ISV 12.8L engine, providing reliable performance and durability.
  • ISV 15.0L: This part is also compatible with the ISV 15.0L engine, ensuring that the pulley functions effectively within the engine’s design parameters.
  • ISV 19.0L: The 4325234 crankshaft pulley is engineered to fit the ISV 19.0L engine, ensuring optimal performance and longevity.

The design of the 4325234 crankshaft pulley ensures it can handle the specific demands of these engines, providing a secure fit and reliable operation. This compatibility is crucial for maintaining the engine’s efficiency and performance.

Role of Part 4325234 Crankshaft Pulley in Engine Systems

The crankshaft pulley, identified by part number 4325234, is an integral component in the efficient operation of various engine systems. It serves as the primary driver for several auxiliary components, ensuring they receive the necessary mechanical power to function correctly.

Integration with the Air Compressor Drive

The crankshaft pulley is directly connected to the air compressor drive. This connection allows the crankshaft’s rotational energy to be transferred to the air compressor. As the crankshaft rotates, the pulley drives the compressor, enabling it to generate compressed air. This compressed air is essential for various vehicle systems, including pneumatic controls, braking systems, and climate control.

Coordination with Other Drive Systems

Beyond the air compressor, the crankshaft pulley also plays a significant role in driving other engine accessories. It is typically linked to the serpentine belt, which routes power to components such as the alternator, power steering pump, and water pump. The pulley’s design ensures smooth and consistent power transmission, minimizing wear and enhancing the reliability of these driven components.

Ensuring Smooth Operation

The efficient operation of the crankshaft pulley is vital for the harmonious functioning of the engine’s auxiliary systems. Its precise engineering allows for optimal power distribution, reducing the load on the crankshaft and enhancing overall engine performance. Proper maintenance and alignment of the crankshaft pulley are essential to prevent issues such as belt slippage, noise, and reduced efficiency in driven components.

Conclusion

The Cummins 4325234 Crankshaft Pulley is a critical component in the operation of commercial truck engines, ensuring the efficient transfer of power to various auxiliary systems. Its robust design, compatibility with multiple engine models, and role in enhancing engine performance make it a valuable part for fleet operators and maintenance professionals. Regular maintenance and adherence to manufacturer guidelines are essential to maximize the pulley’s lifespan and ensure optimal engine efficiency.


  1. Aird, Forbes. Bosch Fuel Injection Systems. HP Books, 2001.

  2. Asef, Pedram, Sanjeevikumar Padmanaban, and Andrew Lapthorn. Modern Automotive Electrical Systems. Wiley, 2022.

SPECIFICATIONS

Package Dimensions
8.13 x 7.25 x 2.75 in
Weight
2.209 lb
* 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.