4992359
Coupling Disc
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$92.95 $110.61

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 4992359 Coupling Plate is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This Cummins part holds significance in the context of heavy-duty trucks due to its role in ensuring efficient power transmission within the drivetrain.

Basic Concepts of Coupling Plates

Coupling plates are mechanical components designed to connect two shafts, allowing for the transfer of power and motion between them. They are integral to various mechanical systems, facilitating smooth operation by accommodating minor misalignments and absorbing shocks. In heavy-duty applications, coupling plates contribute to the durability and reliability of the drivetrain by ensuring consistent power delivery 1.

Purpose of the 4992359 Coupling Plate

This part is specifically designed to play a role in the drivetrain of heavy-duty trucks. Positioned between the engine and transmission, it facilitates the transfer of rotational force from the engine to the transmission. This component ensures that power is efficiently transmitted, allowing for optimal vehicle performance. Its interaction with other components, such as the flywheel and input shaft, is crucial for maintaining the integrity of the drivetrain.

Key Features

The 4992359 Coupling Plate is characterized by its robust design and high-quality material composition. Crafted from durable materials, it is engineered to withstand the demanding conditions of heavy-duty truck operations. Notable attributes include its precision machining, which ensures a perfect fit and alignment, and its ability to accommodate slight misalignments, enhancing the overall performance and longevity of the component.

Benefits

The advantages provided by the 4992359 Coupling Plate include improved efficiency and reliability in power transmission. Its design contributes to reduced wear and tear on connected components, leading to enhanced durability. Additionally, the coupling plate offers specific performance enhancements over alternative components, such as better shock absorption and accommodation of misalignments, which are vital in heavy-duty applications.

Installation Considerations

Proper installation of the 4992359 Coupling Plate is vital for ensuring its effectiveness and longevity. Guidelines for installation include thorough cleaning of mating surfaces, precise alignment of the coupling plate with connected components, and adherence to specified torque values during fastening. These steps are crucial for maintaining the integrity of the drivetrain and ensuring optimal performance.

Maintenance and Troubleshooting

Routine maintenance practices for the 4992359 Coupling Plate involve regular inspection for signs of wear, corrosion, or damage. Cleaning the coupling plate and lubricating moving parts as per manufacturer recommendations can help maintain its performance. Common issues that may arise include misalignment or wear, which can be addressed by realigning the component or replacing worn parts as necessary.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a strong reputation in the automotive and heavy-duty truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and global presence underscore its leadership in the power solutions market 2.

Cummins Coupling Plate 4992359 Compatibility

The Cummins Coupling Plate part number 4992359 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal performance and reliability. This coupling plate is integral in connecting various engine components, facilitating smooth operation and efficient power transfer.

4B3.9 Engine

For the 4B3.9 engine, the coupling plate 4992359 plays a crucial role in linking the engine’s turbocharger to the intake manifold. This connection is vital for maintaining the engine’s air supply, ensuring that the turbocharger can efficiently boost the engine’s performance. The precise fit and robust construction of the coupling plate ensure that there are no leaks or inefficiencies, which could otherwise compromise the engine’s power output and fuel efficiency.

6B5.9 Engine

Similarly, in the 6B5.9 engine, the coupling plate 4992359 is used to connect the turbocharger to the intake manifold. This engine, being a larger and more powerful variant, relies heavily on the efficient operation of its turbocharger. The coupling plate’s design ensures that the connection between the turbocharger and the intake manifold is airtight and secure, which is essential for maintaining the engine’s performance under various operating conditions.

Grouping of Engines

Both the 4B3.9 and 6B5.9 engines benefit from the use of the coupling plate 4992359 due to their similar design and operational requirements. The coupling plate’s ability to provide a reliable and efficient connection between the turbocharger and the intake manifold is critical for these engines, ensuring that they can operate at peak performance levels. The use of the same part number across these engines highlights the commonality in their design and the importance of maintaining precise connections within the engine’s system.

Role of Part 4992359 Coupling Plate in Engine Systems

The 4992359 Coupling Plate is instrumental in ensuring seamless operation between the pump and auxiliary components within engine systems. It acts as an intermediary, facilitating the transfer of rotational force from the pump to the auxiliary components. This transfer is vital for the efficient functioning of various engine subsystems.

When the pump generates rotational force, the Coupling Plate captures this motion and transmits it to the auxiliary components. This transmission ensures that these components, which may include fuel injectors, lubrication systems, or other peripheral devices, receive the necessary power to operate effectively.

The Coupling Plate’s design allows for minor misalignments between the pump and auxiliary components, which can occur due to thermal expansion or manufacturing tolerances. This flexibility helps maintain consistent performance and reduces the risk of mechanical failure.

Additionally, the Coupling Plate contributes to noise reduction within the engine system. By dampening vibrations transmitted from the pump, it helps create a smoother operational environment, which can extend the lifespan of both the pump and auxiliary components.

Conclusion

In summary, the 4992359 Coupling Plate plays a significant role in enhancing the efficiency, reliability, and longevity of engine systems by ensuring smooth and consistent power transmission between the pump and auxiliary components.


  1. Viskup, Richard. Diesel and Gasoline Engines. IntechOpen, 2020.

  2. Randall, Martynn. Haynes Manual on Diesel Engines. Haynes Publishing, 2015.

SPECIFICATIONS

Package Dimensions
1.5 x 1.5 x 0.37 in
Weight
0.16 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.