3086168
Crankshaft Pulley
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,099.95 $1,308.94

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 3086168 Crankshaft Pulley is a component designed for use in commercial trucks. It serves a significant role in the operation of these vehicles by facilitating the transfer of power from the engine to various accessories. Understanding its purpose and functionality is key to maintaining the efficiency and performance of the truck’s engine.

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 accessories, such as the alternator, power steering pump, and air conditioning compressor, through a belt or chain. The pulley helps to smooth out the rotational forces of the crankshaft, reducing vibrations and ensuring a stable operation of the engine 1.

Purpose of the 3086168 Crankshaft Pulley

This Cummins part is integral to the operation of a truck’s engine. It plays a role in driving various engine accessories by transferring rotational force from the crankshaft. This transfer is achieved through a series of belts or chains connected to the pulley. The efficient operation of these accessories is vital for the overall performance and functionality of the truck.

Key Features

The 3086168 is constructed with a focus on durability and performance. It is made from high-quality materials that can 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 feature a dampening element to further reduce engine vibrations.

Benefits

Utilizing this part in a truck’s engine can lead to several advantages. These include improved engine performance due to efficient power transfer, enhanced durability under demanding conditions, and increased efficiency in the operation of engine accessories. The pulley’s design contributes to a smoother engine operation, potentially leading to reduced wear on other components.

Installation Process

Installing the 3086168 requires careful attention to ensure proper fit and function. The process involves aligning the pulley with the crankshaft, securing it in place with the appropriate fasteners, and ensuring that the belts or chains are correctly routed and tensioned. Specific tools may be required to achieve the correct tension and alignment.

Common Issues and Troubleshooting

Common issues with this part may include wear on the pulley’s teeth, belt slippage, or increased engine vibrations. Troubleshooting these issues involves inspecting the pulley and belts for signs of wear, ensuring proper tension and alignment, and addressing any imbalances or damages. Regular maintenance can help prevent these issues.

Maintenance Tips

To ensure the optimal performance and longevity of the 3086168, regular maintenance is recommended. This includes inspecting the pulley and belts for wear, ensuring proper tension and alignment, and addressing any issues promptly. Following the manufacturer’s guidelines for inspection intervals and care can help maintain the efficiency of the pulley and the overall engine system.

Compatibility and Applications

The 3086168 is designed for use with specific Cummins engines and is compatible with a range of commercial truck models. Its applications are tailored to meet the demands of these engines, ensuring reliable performance in various operating conditions.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a strong reputation in the commercial truck industry, Cummins is known for producing high-quality, reliable components that contribute to the efficiency and performance of commercial vehicles.

Cummins Crankshaft Pulley Part 3086168 Compatibility

The Cummins crankshaft pulley part number 3086168 is designed to fit seamlessly with several engine models, ensuring compatibility and reliability across various applications. This part is integral to the engine’s operation, facilitating the transfer of power from the crankshaft to the engine’s accessories.

QSK19 CM500 Engines

The QSK19 CM500 engine series is one of the prominent applications for the 3086168 crankshaft pulley. This engine is known for its robust performance and efficiency, making it a preferred choice in various industrial and commercial settings. The 3086168 part ensures that the engine’s crankshaft can effectively drive the alternator, water pump, and other essential components, maintaining optimal engine function.

Grouping of Compatible Engines

While the primary focus here is on the QSK19 CM500 engines, it is important to note that the 3086168 crankshaft pulley is also compatible with other Cummins engine models. This part is engineered to meet the specific requirements of various engine configurations, ensuring that it can be used across different platforms without compromising performance or durability.

By ensuring that the 3086168 crankshaft pulley is compatible with the QSK19 CM500 engines and other similar models, Cummins maintains a high standard of quality and reliability. This compatibility allows for easier maintenance and repair, as technicians can use a single part across multiple engine types, streamlining the process and reducing downtime.

Role of Part 3086168 Crankshaft Pulley in Engine Systems

The 3086168 Crankshaft Pulley is a pivotal component in the synchronization and operation of several engine systems. It is integral to the proper functioning of the arrangement of the engine’s accessory drive system. This pulley is responsible for transferring rotational force from the crankshaft to various engine-driven accessories, ensuring they operate efficiently and in harmony with the engine’s rhythm.

In conjunction with the vibration damper, the 3086168 Crankshaft Pulley plays a significant role in mitigating the inherent vibrations produced by the engine’s operation. The damper, often integrated into the pulley design, absorbs and dissipates these vibrations, preventing them from being transmitted through the accessory drive belt. This not only enhances the durability of the engine components but also contributes to a smoother operation of the vehicle.

Furthermore, the interaction between the 3086168 Crankshaft Pulley and the damper is essential for maintaining the stability of the engine’s rotational speed. This stability is vital for the consistent performance of engine-driven accessories such as the alternator, power steering pump, and air conditioning compressor. The pulley’s design ensures that these accessories receive a steady and reliable source of power, directly influencing the vehicle’s overall performance and drivability.

Conclusion

In summary, the 3086168 Crankshaft Pulley is a fundamental component that facilitates the seamless operation of the engine’s accessory drive system, working in tandem with the vibration damper to ensure a stable, efficient, and vibration-free engine performance.


  1. Robert Bosch GmbH. (2007). Bosch Automotive Electrics and Automotive Electronics: Systems and Components, Networking and Hybrid Drive 5th Edition. Springer Vieweg.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
12.0 x 12.0 x 10.0 in
Weight
37 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.