3678762
Grommet Seal
Cummins®

The 3678762 Grommet Seal, manufactured by Cummins, is a component designed for use in commercial trucks. This seal is integral to maintaining the integrity of various systems within the truck. Its primary function is to prevent leaks and protect against environmental factors, ensuring the efficient operation of the truck’s systems.

Basic Concepts of Grommet Seals

Grommet seals are components used to fill holes or gaps in various materials, providing a seal that prevents the passage of fluids or gases. They are typically made from materials such as rubber or silicone, chosen for their flexibility, durability, and resistance to environmental factors. Grommet seals work by creating a barrier that prevents leaks and protects internal components from dust, moisture, and other contaminants ¹.

Purpose of Grommet Seal 3678762

The 3678762 is designed to play a specific role in the operation of a truck. It is used in systems where fluid or gas passage needs to be controlled, and where protection against environmental factors is required. This seal is engineered to fit precisely within the truck’s systems, ensuring a tight seal that maintains system efficiency and protects components from wear and environmental damage ².

Key Features

The 3678762 features several design characteristics that enhance its performance and durability. It is made from high-quality materials that offer excellent resistance to wear and environmental factors. The seal’s design ensures a tight fit within the truck’s systems, providing effective protection against leaks. Additionally, its material properties allow it to withstand the rigors of commercial truck operation, ensuring long-lasting performance ³.

Benefits

Using the 3678762 offers several benefits. It contributes to improved system efficiency by preventing leaks and maintaining the integrity of the truck’s systems. The seal’s durability and resistance to wear ensure longevity, reducing the need for frequent replacements. Additionally, its protection against environmental factors helps to maintain the performance and reliability of the truck’s components ⁴.

Troubleshooting and Maintenance

Identifying common issues with grommet seals, such as leaks or wear, is important for maintaining the effectiveness of the 3678762. Regular inspection and maintenance can help to ensure its longevity and performance. Recommended practices include checking for signs of wear or damage, ensuring a proper fit within the truck’s systems, and replacing the seal as needed to maintain system integrity.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins plays a significant role in the commercial truck industry. The company’s focus on manufacturing high-quality components ensures that its products, like the 3678762, meet the demanding requirements of commercial truck operations.

Compatibility of Grommet Seal Part 3678762 with Cummins Engines

The 3678762, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is crucial for ensuring the integrity of seals and preventing leaks in the engine system. Below is a detailed breakdown of the engines that are compatible with this specific grommet seal.

ISX Series Engines

• ISX CM570
• ISX CM870
• ISX CM871
• ISX12 CM2350 X102
• ISX12 G CM2180 EJ
• ISX12/ISX11.9 CM2250
• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101

QSX Series Engines

• QSX11.9 CM2250 ECF
• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

ISZ and QSZ Series Engines

• ISZ13 CM2150 Z105
• QSZ13 CM2150 Z101
• QSZ13 CM2150 Z102

X Series Engines

• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

Z Series Engines

• Z13 Z108G
• Z14 CM2670 Z103B

By ensuring that the 3678762 fits these various engines, Cummins maintains a high standard of quality and reliability across its engine lineup. This compatibility allows for easier maintenance and repair, ensuring that the engines continue to operate efficiently.

Grommet Seal (Part 3678762) Component Usage

The 3678762 is an essential component in various engine systems, ensuring the integrity and efficiency of these systems through its sealing properties.

Cylinder Head Gasket Kit

The Grommet Seal plays a significant role in preventing coolant and oil leaks between the cylinder head and engine block.

Head Gasket Set

The Grommet Seal is utilized to create a secure seal between the engine block and the cylinder head.

Lower Engine Gasket Kit

The Grommet Seal is employed to seal various passages and connections, such as oil galleries and coolant channels.

Mounting Kit

Grommet Seals are included to ensure that components are securely mounted without allowing fluids to escape.

Overhaul Conversion Kit and Overhaul Kit

Grommet Seals are critical in re-establishing seals that may have degraded over time.

Repair Service Kit

Grommet Seals are included to replace worn or damaged seals, restoring the engine’s sealing integrity and preventing fluid leaks.

Turbocharger Gasket Kit, Turbocharger Housing Kit, Turbocharger Housing Repair Kit, Turbocharger Kit, and Turbocharger Mounting Kit

Grommet Seals are utilized to ensure that the turbocharger system remains sealed.

Turbocharger Plumbing

Grommet Seals are used to ensure that all connections are leak-free, maintaining the integrity of the pressurized air system.

Upper Engine Gasket Kit and Upper Engine Gasket Set

Grommet Seals incorporate to ensure that the upper portion of the engine, including intake manifolds and valve covers, remains sealed.

Overall, the 3678762 is a versatile component that enhances the sealing capabilities of various engine systems, contributing to their overall performance and longevity.

Conclusion

The 3678762 Grommet Seal is a critical component in maintaining the efficiency and reliability of commercial truck engines. Its design and material properties ensure durability and resistance to environmental factors, contributing to the overall performance of the truck’s systems. Regular maintenance and inspection are recommended to ensure the longevity and effectiveness of this Cummins part.