3679445
Mounting Spacer
Cummins®

The Cummins 3679445 Mounting Spacer is a critical component in commercial trucks, designed to maintain the necessary spacing between components for optimal alignment and function within the truck’s mechanical system. This spacer is essential in engine and transmission assemblies, where precise spacing is crucial for the vehicle’s performance and longevity.

Basic Concepts of Mounting Spacers

Mounting spacers are mechanical components that create distance between two parts in an assembly, ensuring correct alignment and spacing for efficient operation. In commercial trucks, these spacers are vital for aligning components like engines and transmissions, directly impacting the vehicle’s performance and durability ¹.

Role of the 3679445 Mounting Spacer in Truck Operation

Positioned between specific components within the truck’s engine and transmission system, the Cummins 3679445 Mounting Spacer ensures correct spacing for smooth operation. It reduces wear and tear by preventing direct contact or excessive distance between parts, maintaining alignment for overall efficiency and reliability ².

Key Features

The Cummins 3679445 Mounting Spacer is made from durable materials resistant to wear and corrosion, with precisely engineered dimensions to fit within the truck’s mechanical system. Its design includes smooth surfaces to reduce friction and lubrication points for easier maintenance.

Benefits

Using the Cummins 3679445 Mounting Spacer improves component alignment, enhances performance, reduces stress on the mechanical system, and supports longevity under demanding conditions. It also facilitates easier maintenance and repairs by maintaining proper spacing ³.

Troubleshooting and Maintenance

Common issues with mounting spacers include wear, corrosion, or improper installation. Regular inspection and maintenance, including checking for wear or damage and ensuring correct installation, are recommended. Replacing the spacer if necessary can prevent more significant issues like misalignment or increased wear on the engine and transmission.

About Cummins

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. With over a century of history, Cummins is known for quality and innovation in the commercial truck industry, emphasizing reliability, performance, and customer satisfaction.

Cummins Engine Mounting Spacer 3679445 Compatibility

The Cummins Mounting Spacer part number 3679445 is compatible with various Cummins engine models, ensuring proper engine mounting and stability for optimal performance and longevity.

ISM Series

• ISM CM570/870: Essential support and alignment.
• ISM CM876: Ensures secure engine mounting.

ISX Series

• ISX CM570: Maintains structural integrity.
• ISX CM870: Ensures precise engine positioning.
• ISX CM871: Optimal engine mounting.
• ISX15 CM2250 SN: Necessary support for demanding applications.

QSK and QSM Series

• QSK19 CM500: Ensures proper engine mounting.
• QSM11 CM570: Secure engine mounting.
• QSM11 CM876: Necessary support for operation.

X15 Series

• X15 CM2350 X123B: Ensures proper alignment and mounting.

Part 3679445 Mounting Spacer Component Usage

Turbocharger Arrangement

The 3679445 Mounting Spacer maintains proper alignment and spacing between the turbocharger and the engine block, ensuring secure mounting and efficient power transfer.

Valve Cover Arrangement

In the valve cover arrangement, the 3679445 Mounting Spacer ensures the valve cover is correctly positioned relative to the cylinder head, maintaining sealing integrity and smooth valvetrain operation.

Conclusion

The Cummins 3679445 Mounting Spacer is a versatile and essential component for various Cummins engine models, ensuring efficient and reliable operation through proper alignment and spacing. Regular maintenance and correct installation are crucial for preventing issues and ensuring the longevity of the engine and transmission system.