3070458
Plain Washer
Cummins®

The Cummins 3070458 Plain Washer is a component designed for use in commercial truck operations. It serves a specific function within the mechanical systems of these vehicles, contributing to the overall efficiency and reliability of truck performance. Understanding its purpose and role is fundamental for maintaining and optimizing truck operations.

Basic Concepts of Plain Washers

Plain washers are simple yet vital components in mechanical systems. They are typically flat, annular devices made from metal or other materials. Their general function is to distribute the load of a threaded fastener, such as a bolt or screw, over a larger area, thereby reducing the pressure exerted on the surface ¹. Additionally, plain washers can provide a degree of cushioning between the fastener and the surface, helping to prevent damage and wear.

Purpose of the Cummins 3070458 Plain Washer

The Cummins 3070458 Plain Washer is specifically designed to play a role in the fastening systems of commercial trucks. It is applied in various truck components where secure and reliable fastening is required. By distributing the load of bolts and screws, it helps in maintaining the integrity of the connections, ensuring that components remain securely in place under operational stresses ².

Key Features

The Cummins 3070458 Plain Washer is characterized by several key features that enhance its functionality. These include its material composition, which is selected for durability and resistance to wear, its precise dimensions that ensure a proper fit within truck components, and its design attributes that facilitate easy installation and reliable performance.

Benefits of Using Plain Washers

Incorporating plain washers like the Cummins 3070458 into truck assemblies offers several advantages. These include improved load distribution, which helps in preventing damage to surfaces and components. Plain washers also contribute to vibration reduction, enhancing the stability of truck operations. Furthermore, their design can offer corrosion resistance, prolonging the lifespan of both the washer and the components it supports ³.

Installation and Usage Guidelines

Proper installation of the Cummins 3070458 Plain Washer is crucial for its effective function. It should be placed under the head of a bolt or screw, ensuring that it lies flat and is properly aligned. Best practices for usage include checking for any signs of wear or damage before installation and ensuring that it is used in applications where it can provide the intended benefits. Common applications within truck maintenance include securing engine components, chassis parts, and other critical assemblies.

Troubleshooting and Maintenance

Identifying common issues related to plain washers, such as wear or deformation, is important for maintaining truck performance. Regular inspection and replacement of worn washers can prevent failures in fastening systems. Maintenance practices should include checking for proper alignment and condition during routine inspections, and replacing the Cummins 3070458 Plain Washer when signs of wear are evident.

Compatibility and Applications

The Cummins 3070458 Plain Washer is designed for use in a variety of truck models and systems, demonstrating its versatility. Its applications range from engine components to chassis parts, highlighting its importance across different truck systems.

Manufacturer Information - Cummins

Cummins Inc. is a renowned manufacturer in the automotive industry, with a history of producing high-quality truck components. The company is known for its commitment to innovation and quality, ensuring that its products, including the Cummins 3070458 Plain Washer, meet the demanding requirements of commercial truck operations.

Cummins Engine Part 3070458: Plain Washer Compatibility

The Cummins part 3070458, a Plain Washer, is a versatile component that fits into various engine configurations. This washer is designed to provide a smooth and secure fit, ensuring proper sealing and alignment in the engine assembly. Below is a detailed look at the compatibility of this part with different Cummins engines.

G-Series Engines

The Plain Washer 3070458 is compatible with several G-Series engines, including:

• G8.3
• G855
• G855 CM558
• GTA855 CM558 (CM2358) G101

ISB and ISBE Engines

The Plain Washer 3070458 also fits into the following ISB and ISBE engines:

• ISB CM550
• ISBE CM800

ISC Engines

For ISC engines, the Plain Washer 3070458 is compatible with:

• ISC CM554
• ISC CM850

ISL Engines

The Plain Washer 3070458 is also suitable for the following ISL engines:

• ISL CM554
• ISL9 CM2150 SN

ISX Engines

For the ISX engine, the Plain Washer 3070458 is compatible with:

• ISX CM570

N14 Engines

The Plain Washer 3070458 fits into various N14 engines, including:

• N14 CELECT PLUS
• N14 G
• N14 MECHANICAL

QSN14 and QSX15 Engines

The Plain Washer 3070458 is also compatible with the following QSN14 and QSX15 engines:

• QSN14 CM876 N103
• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

NH/NT 855

The Plain Washer 3070458 is also suitable for the NH/NT 855 engine.

Role of Part 3070458 Plain Washer in Engine Systems

In the intricate assembly of engine systems, the part 3070458 Plain Washer serves as a fundamental component, ensuring the smooth operation and longevity of various engine elements. Its application spans across multiple components, each playing a distinct role in the engine’s functionality.

Accessory Support and Arrangement

The Plain Washer is integral in the accessory support and arrangement, where it facilitates the secure mounting of accessories to the engine. This ensures that accessories are held firmly in place, reducing vibrations and potential wear on both the accessory and the engine block.

Turbocharger and Belt Guard

In turbocharger systems, the Plain Washer is used to maintain the precise alignment of the turbocharger with the engine, ensuring efficient airflow and power output. Similarly, within the belt guard, it protects the belt from excessive wear by providing a smooth surface for the belt to run over, thus prolonging the belt’s lifespan.

Drive, Fan, and Fan Support

For the drive mechanism, the Plain Washer ensures that the drive components are correctly spaced and aligned, which is essential for the efficient transfer of power throughout the engine. In fan and fan support systems, it plays a role in maintaining the correct distance between the fan blades and the engine housing, preventing unwanted contact and ensuring optimal cooling performance.

Idler Pulley and Idler Top Level Assembly Pulley

In the idler pulley and idler top level assembly pulley systems, the Plain Washer is crucial for maintaining the tension of the belts. It ensures that the pulleys operate smoothly, reducing friction and wear on the belts, which is vital for the reliable operation of the engine’s accessory drives.

Mounting Components

For components like the alternator and refrigerant compressor, the Plain Washer is used in their mounting systems. It ensures that these components are securely attached to the engine, allowing them to operate efficiently without undue stress or movement.

Pump and Water Systems

In water and refrigerant compressor mounting systems, as well as in water pumps and idler assemblies, the Plain Washer helps in maintaining the correct spacing and alignment. This is particularly important in water pump systems, where precise alignment is necessary to ensure efficient coolant flow and engine cooling.

Conclusion

Overall, the part 3070458 Plain Washer is a versatile component that enhances the performance and durability of various engine systems. Its role in maintaining alignment, reducing friction, and ensuring secure mounting is indispensable in the complex interplay of engine components.