4982917
Ring Dowel
Cummins®

The 4982917 Ring Dowel, manufactured by Cummins, is a precision component designed for use in heavy-duty trucks. Its role is to ensure the accurate alignment and secure fitting of various parts within the truck’s engine and transmission systems. Cummins, a leader in diesel engine technology, emphasizes the importance of precision components in maintaining the reliability and performance of commercial trucks. This component exemplifies the commitment to quality and innovation that Cummins brings to the commercial trucking industry.

Basic Concepts of Ring Dowels

A ring dowel is a cylindrical pin with a ring-like groove that facilitates the precise alignment and positioning of mechanical components. In assemblies, ring dowels contribute to structural integrity by ensuring that parts are correctly aligned and securely held in place. This alignment is crucial for the efficient operation and longevity of the machinery. Ring dowels are typically manufactured from materials such as steel or stainless steel, chosen for their durability, resistance to wear, and ability to maintain precision under stress ¹.

Purpose of the 4982917 Ring Dowel in Truck Operation

This Cummins part plays a specific role in the operation of heavy-duty trucks by aiding in the alignment and secure fitting of engine and transmission components. Its precise design ensures that parts are correctly positioned, which is vital for the efficient operation of the truck. By maintaining accurate alignment, the ring dowel contributes to the overall safety and performance of the vehicle, reducing the risk of component failure and enhancing the truck’s reliability.

Key Features of the 4982917 Ring Dowel

The 4982917 is characterized by its precision engineering and robust construction, making it well-suited for the demanding conditions of heavy-duty truck operation. Cummins implements stringent quality control measures in the production of this component, ensuring that each ring dowel meets the high standards required for commercial trucking applications. These measures include precise machining processes and rigorous testing protocols to verify the component’s dimensions, material properties, and performance capabilities.

Benefits of Using the 4982917 Ring Dowel

The use of this Cummins part offers several advantages, including improved alignment accuracy, enhanced component durability, and potential cost savings in maintenance and repairs. By ensuring that parts are correctly aligned, the ring dowel helps to prevent premature wear and failure, contributing to the overall performance and longevity of the truck. Additionally, the precision engineering of the component can lead to reduced downtime and lower maintenance costs, making it a valuable asset for fleet operators.

Troubleshooting and Maintenance Suggestions

To maintain the optimal performance and longevity of the 4982917, it is important to be aware of common issues such as wear, misalignment, or failure. Routine inspections should be conducted to check for signs of damage or deterioration. Cleaning the component and its surrounding areas can help prevent the accumulation of debris that may affect its function. In cases where the ring dowel shows signs of wear or damage, replacement should be considered to ensure continued alignment accuracy and component integrity.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established itself as a trusted provider of high-quality components and solutions for the commercial trucking industry. The company’s commitment to innovation and excellence is reflected in its extensive product line, which includes engines, filtration systems, and aftermarket parts designed to enhance the performance, efficiency, and reliability of commercial vehicles.

Ring Dowel Part 4982917 Compatibility with Cummins Engines

The Ring Dowel part number 4982917, manufactured by Cummins, is a critical component that fits into several of their engine models. This part is essential for the proper functioning of the engine’s piston rings, ensuring optimal performance and longevity.

B5.9 and ISB3.9 Engines

The Ring Dowel part 4982917 is compatible with the B5.9 CM2670 B166C and ISB3.9 CM2220 B107 engines. These engines are part of Cummins’ lineup designed for various applications, including industrial and heavy-duty uses. The dowel’s role in these engines is to maintain the alignment and stability of the piston rings, which is crucial for efficient combustion and reduced wear.

D4.0 and QSB3.9 Engines

Similarly, the part fits into the D4.0 CM2620 D103B and QSB3.9 CM2880 B138 engines. These engines are also designed for robust performance in demanding environments. The dowel ensures that the piston rings maintain their correct position, which is vital for the engine’s overall efficiency and durability.

ISB5.9 and QSB5.9 Engines

Lastly, the Ring Dowel part 4982917 is also compatible with the ISB5.9 CM2880 B127 and QSB5.9 CM2880 B139 engines. These engines are known for their power and reliability, often used in heavy-duty applications. The dowel’s function in these engines is to support the piston rings, ensuring they operate smoothly and effectively, which is essential for maintaining the engine’s performance over time.

By ensuring that the piston rings are properly aligned and supported, the Ring Dowel part 4982917 plays a crucial role in the overall efficiency and longevity of these Cummins engines.

Role of Part 4982917 Ring Dowel in Engine Systems

The 4982917 Ring Dowel is an essential component in ensuring the precise alignment and secure mounting of various engine parts. In the context of flywheel mounting, the Ring Dowel plays a significant role by providing a reference point for the accurate positioning of the flywheel relative to the crankshaft. This alignment is vital for the proper functioning of the engine, as it ensures that the flywheel is correctly seated and that the rotational forces are evenly distributed.

When it comes to general mounting applications within the engine system, the 4982917 Ring Dowel serves as a guide pin that helps in the accurate placement of components. This is particularly important in applications where components need to be repeatedly removed and reinstalled, such as during maintenance or repair procedures. The Ring Dowel ensures that each reassembly is consistent with the original configuration, thereby maintaining the integrity and performance of the engine.

In summary, the 4982917 Ring Dowel is a key element in the mounting process of engine components, facilitating precise alignment and secure attachment, which are fundamental to the reliable operation of the engine.

Conclusion

The 4982917 Ring Dowel is a critical component in the operation of heavy-duty trucks, ensuring the precise alignment and secure fitting of engine and transmission components. Its role in maintaining the alignment and stability of piston rings across various Cummins engine models underscores its importance in enhancing engine performance and longevity. The precision engineering and robust construction of this part contribute to the overall reliability and efficiency of commercial trucks, making it a valuable asset for fleet operators. Regular maintenance and timely replacement of the ring dowel are essential to preserve its functionality and the integrity of the engine system.