3027108
Connecting Rod Cap Screw
Cummins®

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Cummins®

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$30.95 $36.83

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 3027108 Connecting Rod Cap Screw is a specialized component designed for use in heavy-duty truck engines. Its purpose is to secure the connecting rod cap to the connecting rod, ensuring the integrity and stability of the engine’s internal components during operation. This screw plays a role in maintaining the precise alignment and balance necessary for efficient engine performance 1.

Basic Concepts of Connecting Rod Cap Screws

Connecting rod cap screws are fasteners used to attach the connecting rod cap to the connecting rod in an internal combustion engine. Their function is to hold the two halves of the connecting rod together, allowing the rod to pivot smoothly as the engine operates. This pivotal motion is crucial for converting the linear motion of the piston into rotational motion of the crankshaft. The stability and strength provided by the connecting rod cap screws are vital for the engine’s overall operation and durability 2.

Role of the 3027108 Connecting Rod Cap Screw in Truck Engines

The 3027108 Connecting Rod Cap Screw is specifically engineered to meet the demanding requirements of heavy-duty truck engines. It plays a role in securing the connecting rod cap, which is subjected to high stresses and dynamic loads during engine operation. By maintaining a secure connection, this screw helps ensure the smooth and efficient transfer of power from the piston to the crankshaft. Its design and material properties are tailored to withstand the extreme conditions encountered in heavy-duty applications, contributing to the engine’s reliability and performance 3.

Key Features of the 3027108 Connecting Rod Cap Screw

The 3027108 Connecting Rod Cap Screw is characterized by several key features that enhance its performance and durability. These include a robust material composition, typically a high-strength alloy, which provides the necessary tensile strength and resistance to fatigue. The screw’s design specifications, such as thread pitch and length, are optimized for the specific application, ensuring a secure and stable connection. Additionally, the screw may feature unique attributes such as a corrosion-resistant coating or a specialized thread design to improve its performance under high-stress conditions 4.

Benefits of Using the 3027108 Connecting Rod Cap Screw

Using the 3027108 Connecting Rod Cap Screw offers several benefits. Its high-strength material and precise design contribute to improved engine reliability by ensuring a secure connection between the connecting rod and its cap. This stability enhances the engine’s performance by allowing for smooth and efficient power transfer. Additionally, the screw’s durability and resistance to wear and fatigue contribute to the engine’s longevity, reducing the need for frequent replacements and maintenance.

Installation and Maintenance Guidelines

Proper installation and maintenance of the 3027108 Connecting Rod Cap Screw are crucial for ensuring optimal performance and longevity. Installation should follow manufacturer-specified torque settings to achieve the correct clamping force without overtightening, which could lead to damage. Regular inspection of the screw and connecting rod assembly is recommended to identify any signs of wear, corrosion, or loosening. Maintenance procedures may include cleaning, re-torquing, and, if necessary, replacement of the screw to maintain engine performance and reliability.

Troubleshooting Common Issues

Common issues with connecting rod cap screws, such as loosening or failure, can arise due to improper installation, excessive wear, or material fatigue. Troubleshooting these problems involves a systematic approach, starting with a visual inspection for signs of damage or wear. If loosening is detected, re-torquing the screw to the manufacturer’s specifications may resolve the issue. In cases of failure or significant wear, replacement of the screw is necessary to restore the engine’s integrity and performance. Regular maintenance and adherence to installation guidelines can help prevent these issues.

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, innovation, and reliability in the automotive industry. The company’s product range includes engines for on-highway and off-highway applications, as well as filtration and power generation systems. Cummins’ commitment to quality is evident in its rigorous testing and validation processes, ensuring that its products meet the highest standards of performance and durability.

Connecting Rod Cap Screw (Part 3027108) Compatibility with Cummins Engines

The Connecting Rod Cap Screw (Part 3027108) manufactured by Cummins is designed to fit a variety of Cummins engines, ensuring secure fastening of the connecting rod cap to the crankshaft. This screw is a critical component in maintaining the integrity of the engine’s assembly.

ISM Series Engines

  • ISM CM570
  • ISM CM570/870
  • ISM CM876
  • ISM11 CM876 SN

The ISM series engines, including the ISM CM570, ISM CM570/870, ISM CM876, and ISM11 CM876 SN, all utilize the Connecting Rod Cap Screw (Part 3027108). This screw is essential for the proper operation of these engines, providing the necessary strength and stability to withstand the forces generated during engine operation.

L10 Series Engines

  • L10 CELECT
  • L10 GAS
  • L10 MECHANICAL

The L10 series engines, which include the L10 CELECT, L10 GAS, and L10 MECHANICAL, also incorporate the Connecting Rod Cap Screw (Part 3027108). This screw ensures that the connecting rod cap remains securely fastened to the crankshaft, preventing any potential movement that could lead to engine failure.

M11 Series Engines

  • M11 CELECT
  • M11 CELECT PLUS
  • M11 MECHANICAL

The M11 series engines, comprising the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL, are compatible with the Connecting Rod Cap Screw (Part 3027108). This screw is integral to the assembly of these engines, providing the necessary fastening to maintain the structural integrity of the engine.

QSM11 Series Engines

  • QSM11 CM570
  • QSM11 CM876

The QSM11 series engines, including the QSM11 CM570 and QSM11 CM876, also use the Connecting Rod Cap Screw (Part 3027108). This screw is vital for ensuring that the connecting rod cap is securely fastened to the crankshaft, contributing to the overall reliability and performance of these engines.

Role of Part 3027108 Connecting Rod Cap Screw in Engine Systems

The Part 3027108 Connecting Rod Cap Screw is integral to the assembly and operation of various engine components. It secures the connecting rod cap to the connecting rod, ensuring the stability and alignment of the connecting rod and piston assembly. This, in turn, facilitates the smooth transfer of force from the piston to the crankshaft via the connecting rod.

In the context of the camshaft, the secure attachment of the connecting rod cap is essential for maintaining the precise timing and synchronization required between the camshaft and crankshaft. This synchronization is vital for the proper opening and closing of the valves in the cylinder head, which directly affects the engine’s performance and efficiency.

When considering the engine and connecting rod piston assembly, the connecting rod cap screw plays a significant role in ensuring that the connecting rod remains firmly attached to the piston. This attachment is necessary for the efficient conversion of the piston’s linear motion into the crankshaft’s rotational motion.

In the engine connecting rod and engine piston systems, the screw ensures that the connecting rod cap is tightly secured, preventing any misalignment or movement that could lead to increased wear, reduced performance, and potential engine damage.

For the engine piston kit, the secure fitting of the connecting rod cap is essential for the kit’s overall performance. It ensures that the piston moves smoothly within the cylinder, reducing friction and enhancing the engine’s efficiency.

In the cylinder head and injectors, the stability provided by the connecting rod cap screw indirectly supports the precise fuel injection timing and combustion process. This stability contributes to the engine’s overall performance and reliability.

The oil manifold also benefits from the secure attachment of the connecting rod cap, as it ensures that the engine components are properly aligned, allowing for efficient oil distribution and lubrication throughout the engine.

Overall, the Part 3027108 Connecting Rod Cap Screw is a fundamental component in maintaining the integrity and performance of various engine systems, ensuring that all interconnected parts function harmoniously.

Conclusion

The Cummins 3027108 Connecting Rod Cap Screw is a critical component in the operation of heavy-duty truck engines. Its role in securing the connecting rod cap ensures the stability and alignment necessary for efficient engine performance. The screw’s design, material properties, and compatibility with various Cummins engines highlight its importance in maintaining the integrity and reliability of engine systems. Proper installation, maintenance, and troubleshooting are essential for maximizing the performance and longevity of this part.


  1. Stone, Richard. Introduction to Internal Combustion Engines, Fourth Edition. Macmillan, 2012.

  2. Reif, Konrad. Automotive Mechatronics. Springer Vieweg, 2015.

  3. Hu, Haoran, Simon J Baseley, and Xubin Song. Advanced Hybrid Powertrains for Commercial Vehicles Second Edition. SAE International, 2021.

  4. Wang, Yushu. Introduction to Engine Valvetrains. SAE International, 2007.

SPECIFICATIONS

Notes
M14 x 1.50 x 91
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
3.0 x 2.0 x 1.0 in
Weight
0.314 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.