4964699
Plain Washer
Cummins®

The 4964699 Plain Washer is a component manufactured by Cummins, a well-established name in the commercial truck industry. This washer is specifically designed for use in commercial trucks, where it plays a role in various mechanical systems. Plain washers, in general, serve as simple yet vital components in mechanical assemblies, providing support, distributing loads, and preventing damage to connected parts ¹.

Basic Concepts of Plain Washers

Plain washers are flat, annular metal rings that are placed under bolt heads or nuts. Their primary function is to distribute the load of the fastener over a larger area, which helps prevent damage to the surface and provides a more secure fastening. They also act as spacers, help in aligning parts, and can reduce vibration and wear. Common materials for plain washers include steel, stainless steel, and various alloys, each offering different properties such as strength, corrosion resistance, and durability ².

Purpose of the 4964699 Plain Washer

The 4964699 Plain Washer is designed to enhance the operation of commercial trucks by ensuring secure and efficient fastening of components. It contributes to the overall efficiency and reliability of truck parts by providing a stable base for fasteners, which is crucial in the high-stress environments typical of commercial trucking. This washer helps in maintaining the integrity of connections, which is vital for the safe and effective operation of the vehicle ³.

Key Features

The 4964699 Plain Washer is characterized by its specific design and material composition, which are tailored to meet the demanding requirements of commercial truck applications. It is made from high-quality materials that offer excellent strength and durability. The washer’s design ensures optimal load distribution and secure fastening, which are critical for the performance and longevity of truck components. These features are particularly important in ensuring that the washer can withstand the rigors of commercial use ⁴.

Benefits

The 4964699 Plain Washer offers several benefits that contribute to the performance and longevity of truck components. It improves load distribution, which reduces the risk of surface damage and enhances the security of fastenings. Additionally, it helps prevent galling between metal surfaces, which can occur under high pressure and friction. These benefits are crucial for maintaining the efficiency and reliability of truck components over time ².

Installation and Usage

Proper installation of the 4964699 Plain Washer is key to ensuring optimal performance and durability. It should be placed under the bolt head or nut, ensuring it is properly aligned and seated. Following manufacturer guidelines for torque specifications and installation procedures is important to avoid over-tightening or under-tightening, which can lead to component failure or reduced efficiency ¹.

Troubleshooting and Maintenance

Regular inspection and maintenance of the 4964699 Plain Washer are important for preventing failures and ensuring continued reliable operation. Common issues include wear, corrosion, and improper seating, which can be addressed through routine checks and replacements as needed. Maintaining clean and dry conditions around the washer can also help prevent corrosion and extend its lifespan ².

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 aftermarket parts. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and focus on technological advancement make it a trusted partner for commercial truck manufacturers and operators worldwide ³.

Cummins Engine Part 4964699: Plain Washer Application

The Cummins part number 4964699, a Plain Washer, is a critical component in the assembly and maintenance of several Cummins diesel engines. This part is designed to provide a smooth, flat surface that ensures proper sealing and alignment between various engine components. Here is a detailed look at how this Plain Washer fits into the engine systems of the specified Cummins engines:

QSB4.5 CM850 (CM2850) and QSB6.7 CM850 (CM2850)

The QSB4.5 CM850 (CM2850) and QSB6.7 CM850 (CM2850) engines are part of the Quant Series B (QSB) family, known for their reliability and efficiency in various applications. The Plain Washer 4964699 is used in these engines to maintain the integrity of the sealing surfaces, ensuring that components such as the cylinder head, oil pan, and other critical parts are properly aligned and sealed. This helps in preventing leaks and maintaining the engine’s overall performance.

QSB7 CM2880 B117

The QSB7 CM2880 B117 engine is another member of the QSB series, designed for heavy-duty applications. The Plain Washer 4964699 plays a vital role in this engine by providing a secure and even surface for the mounting of various components. This ensures that the engine operates smoothly and efficiently, with all parts functioning as intended.

QSK19 CM850 MCRS and QSK50 CM2150 MCRS

The QSK19 CM850 MCRS and QSK50 CM2150 MCRS engines are part of the Quant Series K (QSK) family, which is known for its high power output and durability. The Plain Washer 4964699 is used in these engines to maintain the alignment and sealing of components such as the turbocharger, exhaust manifold, and other critical parts. This ensures that the engine can handle high-stress conditions and maintain optimal performance.

QSL8.9 CM2150 L141 and QSL9 CM850 (CM2850)

The QSL8.9 CM2150 L141 and QSL9 CM850 (CM2850) engines are part of the Quant Series L (QSL) family, designed for a range of applications from industrial to marine. The Plain Washer 4964699 is essential in these engines for maintaining the alignment and sealing of components such as the fuel injection pump, water pump, and other critical parts. This ensures that the engine operates efficiently and reliably, regardless of the application.

In summary, the Cummins Plain Washer 4964699 is a versatile and essential component in the assembly and maintenance of various Cummins diesel engines. Its role in ensuring proper alignment and sealing of engine components is critical for the overall performance and longevity of the engine ³.

Role of Part 4964699 Plain Washer in Engine Systems

The part 4964699 Plain Washer is integral to the efficient operation of various engine systems. In the engine cooling system, it ensures a secure fit between components, preventing leaks that could lead to overheating. When installed in the heat exchanger, the washer maintains the integrity of the seal between the tubes and the housing, which is essential for optimal heat transfer.

In the context of the thermostat housing, the 4964699 Plain Washer plays a key role in maintaining a consistent engine temperature by ensuring that the thermostat operates within its designed parameters. This is achieved by providing a reliable seal that prevents coolant from escaping, thus allowing the thermostat to regulate the flow of coolant effectively.

For the auxiliary cooling system, the washer is used to ensure that all connections are tight and secure, which is vital for the system’s ability to provide additional cooling when the primary system is under stress. This is particularly important in high-performance engines or those operating in extreme conditions.

Overall, the 4964699 Plain Washer contributes to the reliability and efficiency of engine systems by ensuring that all connections are sealed properly, which is fundamental to the systems’ operation ⁴.

Conclusion

The 4964699 Plain Washer is a critical component in the maintenance and operation of Cummins diesel engines. Its role in ensuring proper alignment and sealing of engine components is essential for the overall performance and longevity of the engine. Proper installation, regular maintenance, and understanding its application in various engine systems are key to maximizing the benefits of this Cummins part.