3897777
Crankshaft Spacer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$699.95 $832.94

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 3897777 Crankshaft Spacer is a component designed for use in heavy-duty truck engines. Its purpose is to provide the necessary spacing between the crankshaft and other engine components, ensuring proper alignment and operation. This spacer plays a role in maintaining the structural integrity and performance of the engine by facilitating the correct positioning of the crankshaft within the engine block 1.

Basic Concepts of Crankshaft Spacers

A crankshaft spacer is a mechanical component used in internal combustion engines to create the required distance between the crankshaft and adjacent parts. This spacing is vital for the proper functioning of the engine, as it allows for the correct alignment of the crankshaft with other engine components, such as the flywheel and the main bearings. The spacer helps in distributing the load evenly across the crankshaft and contributes to the overall stability and efficiency of the engine 2.

Purpose of the Cummins 3897777 Crankshaft Spacer

The Cummins 3897777 Crankshaft Spacer is specifically engineered to enhance the operation of heavy-duty truck engines. It ensures that the crankshaft is properly positioned within the engine block, which is important for the engine’s performance and reliability. By maintaining the correct spacing, this spacer contributes to the engine’s efficiency, reduces wear on the crankshaft and bearings, and supports the engine’s overall durability.

Key Features

The Cummins 3897777 Crankshaft Spacer is characterized by several key features that enhance its functionality. It is made from high-quality materials that offer durability and resistance to wear. The design specifications of this spacer ensure a precise fit within the engine, promoting optimal performance. Additionally, it may include unique attributes such as anti-vibration properties or enhanced load distribution capabilities, which further contribute to its effectiveness in heavy-duty applications.

Benefits of Using the Cummins 3897777 Crankshaft Spacer

Utilizing the Cummins 3897777 Crankshaft Spacer offers several advantages. It contributes to improved engine efficiency by ensuring the crankshaft is correctly aligned and spaced. This spacer enhances the durability of the engine components by reducing undue stress and wear. Furthermore, it may provide performance enhancements such as smoother engine operation and increased reliability, making it a valuable component for heavy-duty truck engines.

Installation Process

Installing the Cummins 3897777 Crankshaft Spacer requires careful attention to detail. The process involves positioning the spacer between the crankshaft and the engine block, ensuring it is correctly aligned with the crankshaft and other components. It is important to follow the manufacturer’s guidelines for torque specifications and any additional installation instructions to ensure the spacer is securely in place and functions as intended.

Troubleshooting Common Issues

Common problems associated with crankshaft spacers can include improper alignment, wear, or damage to the spacer. These issues may lead to engine performance problems or increased wear on engine components. Troubleshooting steps may involve inspecting the spacer for signs of wear or damage, ensuring it is correctly installed, and addressing any alignment issues. Regular maintenance and inspection can help identify and resolve these problems early.

Maintenance Tips

To ensure the optimal performance and longevity of the Cummins 3897777 Crankshaft Spacer, regular maintenance is recommended. This includes inspecting the spacer for signs of wear or damage during routine engine maintenance. Cleaning the spacer and its surrounding components can prevent the buildup of debris that may affect its function. Following the manufacturer’s maintenance guidelines and performing regular inspections can help maintain the spacer’s effectiveness and contribute to the engine’s overall performance.

Cummins 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 strong reputation in the automotive industry, particularly in the heavy-duty truck sector. The company’s product range includes a variety of engines and components designed to meet the demanding requirements of heavy-duty applications, demonstrating Cummins’ commitment to quality, innovation, and customer satisfaction.

Cummins Crankshaft Spacer 3897777 Compatibility

The Cummins Crankshaft Spacer part number 3897777 is designed to fit seamlessly within several engine models, ensuring optimal performance and longevity. This component is crucial for maintaining the correct alignment and spacing between the crankshaft and other engine parts.

K19 Engines

The K19 engine series, known for its robust design and reliability, incorporates the Crankshaft Spacer 3897777 to ensure precise crankshaft positioning. This part is essential in maintaining the integrity of the engine’s internal components, contributing to the overall efficiency and durability of the engine.

Grouping of Compatible Engines

While the K19 engines are the primary focus, it is important to note that the Crankshaft Spacer 3897777 is also compatible with other Cummins engine models that share similar design parameters and specifications. This compatibility ensures that the part can be used across various engine types, providing a versatile solution for engine maintenance and repair.

Application Considerations

When applying the Crankshaft Spacer 3897777, it is crucial to follow the manufacturer’s guidelines to ensure proper installation. This includes using the correct torque specifications and ensuring that all mating surfaces are clean and free of debris. Proper installation is key to preventing engine misalignment and potential damage.

Installation Tips

  • Torque Specifications: Always adhere to the recommended torque settings to avoid over-tightening or under-tightening.
  • Surface Preparation: Ensure all mating surfaces are clean and free of any contaminants that could affect the fit and function of the spacer.
  • Alignment: Double-check the alignment of the crankshaft and other components before finalizing the installation.

By following these guidelines, technicians can ensure that the Crankshaft Spacer 3897777 is installed correctly, contributing to the overall performance and reliability of the engine.

Role of Part 3897777 Crankshaft Spacer in Engine Systems

The part 3897777 Crankshaft Spacer is an essential component in the assembly and operation of various engine systems. It is strategically positioned between the crankshaft and other components to ensure optimal performance and durability.

Integration with the Damper

When the crankshaft spacer is installed, it provides the necessary spacing between the crankshaft and the damper. This spacing is vital for the damper to function correctly. The damper, which is responsible for absorbing vibrations and reducing torsional vibrations in the crankshaft, relies on precise alignment and spacing to effectively perform its role. The crankshaft spacer ensures that the damper is mounted at the correct distance from the crankshaft, allowing it to engage properly and provide the intended damping effect.

Interaction with Vibration Control

In addition to its role with the damper, the crankshaft spacer also plays a part in the overall vibration control within the engine system. By maintaining the correct spacing, it helps in minimizing unwanted vibrations that can occur during engine operation. This is particularly important in high-performance engines where even minor vibrations can lead to increased wear and reduced efficiency. The spacer ensures that all components are aligned correctly, which contributes to smoother engine operation and enhanced reliability.

Enhanced Engine Performance

The precise fitting of the crankshaft spacer between the crankshaft and other components such as the damper ensures that the engine operates within its designed parameters. This not only enhances the performance of the engine but also contributes to its longevity. Proper spacing prevents undue stress on the crankshaft and connected components, which can otherwise lead to premature failure.

Conclusion

In summary, the part 3897777 Crankshaft Spacer is a key element in the engine system, facilitating the correct operation of the damper and contributing to effective vibration control. Its role in maintaining component alignment and spacing is fundamental to the overall performance and durability of the engine.


  1. Barton, D. C., & Fieldhouse, J. D. (2009). Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body. Elsevier.

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

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
10.0 x 2.2 x 9.9 in
Weight
3.81 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.