5264551
Crankshaft Pulley
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$619.95 $737.74

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 Crankshaft Pulley 5264551 by Cummins is a component designed to facilitate the operation of commercial trucks. This pulley is integral to the engine’s functionality, ensuring that various systems operate in harmony. Its role in the engine’s operation underscores its significance in maintaining the truck’s performance and efficiency.

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 various engine accessories through a belt or chain. These accessories may include the alternator, water pump, and air conditioning compressor. The crankshaft pulley ensures that these components receive the necessary rotational force to operate. It also helps to dampen vibrations produced by the engine, contributing to smoother operation 1.

Role of the Crankshaft Pulley in Truck Operation

This Cummins part plays a specific role in the operation of a truck by driving essential engine accessories. It ensures that these components receive the power needed to function correctly, which is vital for the engine’s overall performance and efficiency. By maintaining the operation of these accessories, the pulley contributes to the truck’s ability to run smoothly and reliably.

Key Features of the Crankshaft Pulley 5264551

5264551 is characterized by several key features that enhance its functionality. It is constructed from durable materials to withstand the rigors of commercial truck operation. The design includes precision-machined teeth for secure belt engagement and a balanced weight to minimize vibrations. Additionally, the pulley may incorporate damping elements to further reduce engine vibrations, ensuring a smoother operation 2.

Benefits of Using the Crankshaft Pulley 5264551

Utilizing this part offers several advantages. Its robust construction and precise engineering contribute to improved engine performance and efficiency. The pulley’s ability to dampen vibrations leads to a smoother engine operation, which can enhance the longevity of both the pulley and the engine components it drives. Furthermore, its reliable design ensures consistent performance under various operating conditions.

Troubleshooting Common Issues with Crankshaft Pulleys

Common issues with crankshaft pulleys may include wear on the teeth, imbalance, or failure of damping elements. Identifying these problems early can prevent more severe engine damage. Signs of wear or imbalance may include unusual noises, vibrations, or a noticeable decrease in engine performance. Addressing these issues promptly by inspecting and replacing the pulley if necessary can help maintain the engine’s efficiency and reliability.

Maintenance Tips for Crankshaft Pulleys

To ensure the longevity and optimal performance of 5264551, routine maintenance is recommended. This includes regular inspections for signs of wear or damage, ensuring the belt or chain is properly tensioned, and checking for proper alignment. Keeping the pulley clean and free from debris can also contribute to its efficient operation. Following these maintenance practices can help prevent unexpected failures and ensure the pulley continues to perform its role effectively 3.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company’s product range includes engines, powertrains, and related components, all designed to meet the demanding requirements of commercial applications. Cummins’ commitment to excellence and customer satisfaction has made it a trusted name in the industry.

Crankshaft Pulley Part 5264551 Compatibility with Cummins Engines

This part, manufactured by Cummins, is designed to fit seamlessly with specific models of Cummins engines. This part is integral to the engine’s operation, ensuring the smooth transfer of power from the crankshaft to the engine’s ancillary systems.

QSL9 CM2250 and QSL9 CM2350 L102 Engines

5264551 is compatible with the QSL9 CM2250 engine. This compatibility ensures that the pulley will fit precisely on the crankshaft, maintaining the necessary alignment and tension required for efficient engine operation. The same part number is also suitable for the QSL9 CM2350 L102 engine, providing a consistent fit across these engine models.

This compatibility is crucial for maintaining the engine’s performance and longevity. The design of the part ensures that it can handle the specific torque and rotational forces generated by these engines, contributing to the overall reliability and efficiency of the engine system.

Role of Part 5264551 Crankshaft Pulley in Engine Systems

This part is integral to the efficient operation of various engine systems. It serves as the primary driver for the engine’s accessory belt system, which includes components such as the alternator, power steering pump, air conditioning compressor, and water pump.

Accessory Drive System

The crankshaft pulley is responsible for transferring rotational energy from the crankshaft to the accessory belt. This belt, in turn, drives the aforementioned components, ensuring they operate synchronously with the engine’s rhythm.

Alternator

By engaging with the alternator pulley, the crankshaft pulley ensures consistent electrical power generation. This is essential for maintaining battery charge and powering the vehicle’s electrical systems.

Power Steering Pump

The crankshaft pulley’s connection to the power steering pump pulley facilitates the hydraulic pressure necessary for power steering. This allows for easier maneuverability and reduced driver effort during steering.

Air Conditioning Compressor

In systems equipped with air conditioning, the crankshaft pulley drives the compressor pulley. This action enables the refrigeration cycle, allowing for climate control within the vehicle.

Water Pump

The crankshaft pulley also engages with the water pump pulley, circulating coolant through the engine. This process is vital for maintaining optimal engine temperature and preventing overheating.

Timing and Synchronization

Beyond driving accessories, the crankshaft pulley plays a role in engine timing. It often incorporates timing marks that are used for aligning the crankshaft with other engine components during maintenance or repair procedures.

Conclusion

In summary, the Crankshaft Pulley 5264551 is a fundamental component that ensures the harmonious operation of multiple engine systems, contributing to the overall performance and reliability of the vehicle.


  1. Dixon, John C. Tyres Suspension and Handling Second Edition. SAE International, 1996.

  2. Miedema, S. A., and Lu, Z. The Dynamic Behavior of a Diesel Engine. Published by Drir S. A. Miedema, 2010.

  3. Denton, Tom, and Pells, Hayley. Automotive Technician Training, Second Edition. Routledge, 2022.

SPECIFICATIONS

Package Dimensions
8.4 x 7.9 x 2.25 in
Weight
7.15 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.