4095439
Sleeve
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$69.95 $83.24

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 Cummins 4095439 Boot is a specialized component designed for use in commercial trucks. Its purpose is to protect and ensure the smooth operation of moving parts within the truck’s system. This part plays a significant role in maintaining the integrity and efficiency of the truck’s components, contributing to overall vehicle performance.

Basic Concepts of a Boot

In the context of automotive components, a boot is a protective covering that encases moving parts, such as joints and pivots, to shield them from contaminants like dirt, moisture, and debris. Boots operate by providing a sealed environment around these parts, which helps to maintain lubrication and prevent wear and tear. In a truck’s system, boots are essential for the longevity and reliability of various mechanical components 1.

Purpose of the 4095439 Boot

The Cummins 4095439 Boot is specifically designed to protect certain components within a truck’s system. It plays a role in safeguarding joints and pivot points, ensuring that these parts operate smoothly and efficiently. By providing a barrier against external elements, the boot helps to maintain the lubrication of these components, which is vital for their proper function and longevity.

Key Features

The Cummins 4095439 Boot is characterized by its robust design and the high-quality materials used in its construction. It is typically made from durable synthetic rubber or a similar material that offers excellent resistance to wear, tear, and environmental factors. The boot’s design includes reinforced edges and a secure fit to ensure it remains in place and provides consistent protection. Additionally, its flexibility allows it to accommodate the movement of the components it covers without compromising its protective function.

Benefits

The Cummins 4095439 Boot offers several benefits that contribute to the overall efficiency and reliability of a truck. By protecting moving parts from contaminants, it helps to reduce wear and tear, leading to longer component lifespans. The boot also plays a role in maintaining the lubrication of these parts, which is essential for their smooth operation. Furthermore, its durable construction ensures that it can withstand the rigors of commercial truck use, providing consistent protection over time.

Installation and Compatibility

Proper installation of the Cummins 4095439 Boot is important for ensuring its effectiveness. The installation process typically involves securing the boot over the designated components using clamps or similar fastening methods. It is important to follow manufacturer guidelines to ensure a proper fit and seal. The boot is designed to be compatible with specific truck models and systems, ensuring it integrates seamlessly with the vehicle’s components.

Maintenance and Troubleshooting

To ensure the optimal performance of the Cummins 4095439 Boot, regular maintenance is recommended. This includes inspecting the boot for signs of wear, damage, or leaks, and cleaning it as necessary to remove any accumulated dirt or debris. If issues arise, such as tears or improper fitting, it may be necessary to replace the boot to maintain the protection of the enclosed components. Troubleshooting common problems can often be addressed by ensuring the boot is properly installed and maintained.

Performance and Longevity

Under normal operating conditions, the Cummins 4095439 Boot is expected to provide reliable performance and durability. Its lifespan can be influenced by factors such as the quality of installation, regular maintenance, and the operating environment. By following recommended maintenance practices and addressing any issues promptly, the boot’s performance and longevity can be maximized, contributing to the overall efficiency and reliability of the truck.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its wide range of high-quality products. With a history of innovation and commitment to excellence, Cummins has built a reputation for producing reliable and durable components. The Cummins 4095439 Boot, as part of their product lineup, reflects the company’s dedication to quality and performance, providing commercial truck operators with a component that enhances the efficiency and reliability of their vehicles.

Cummins Engine Boot Part 4095439

The Cummins part number 4095439, identified as a Boot, is a critical component in the engine systems of various Cummins engines. This boot is designed to provide a seal and protect sensitive parts from environmental elements and contaminants.

Application in Cummins Engines

  • QSK78 CM500: The Boot part 4095439 is integral to the QSK78 CM500 engine, ensuring that the internal components remain protected from dust, moisture, and other potential hazards. Its placement is crucial for maintaining the integrity of the engine’s operation and longevity.

  • QSK60: In the QSK60 engine, the Boot part 4095439 serves a similar purpose, providing a protective barrier that helps in maintaining the engine’s efficiency and reliability. Its design and placement are tailored to fit the specific architecture of the QSK60 engine.

  • QSK50: For the QSK50 engine, the Boot part 4095439 is essential in safeguarding the engine’s internal components. Its role is to prevent the ingress of contaminants that could otherwise lead to wear and tear, ensuring the engine operates smoothly over time.

  • QSK38: In the QSK38 engine, the Boot part 4095439 is a key component that ensures the engine’s internal parts remain protected. Its design is optimized to fit the unique configuration of the QSK38 engine, providing a reliable seal that enhances the engine’s performance and durability.

  • QSK23: The Boot part 4095439 is also used in the QSK23 engine, where it plays a vital role in protecting the engine’s internal components. Its placement and design are specifically engineered to meet the needs of the QSK23 engine, ensuring that it operates efficiently and reliably.

  • QSK19: In the QSK19 engine, the Boot part 4095439 is a crucial component that provides a protective seal. Its design is tailored to fit the specific architecture of the QSK19 engine, ensuring that the engine’s internal parts remain protected from contaminants and environmental elements.

  • QSK15: For the QSK15 engine, the Boot part 4095439 is essential in maintaining the engine’s integrity. Its role is to provide a protective barrier that helps in preventing the ingress of contaminants, ensuring the engine operates smoothly and efficiently.

  • QSK11: In the QSK11 engine, the Boot part 4095439 is a key component that ensures the engine’s internal components remain protected. Its design and placement are specifically engineered to fit the QSK11 engine, providing a reliable seal that enhances the engine’s performance and durability.

  • QSK9: The Boot part 4095439 is also used in the QSK9 engine, where it plays a vital role in protecting the engine’s internal components. Its design is optimized to fit the unique configuration of the QSK9 engine, ensuring that the engine operates efficiently and reliably.

  • QSK6: For the QSK6 engine, the Boot part 4095439 is a crucial component that provides a protective seal. Its design is tailored to fit the specific architecture of the QSK6 engine, ensuring that the engine’s internal parts remain protected from contaminants and environmental elements.

  • QSK5: In the QSK5 engine, the Boot part 4095439 is essential in maintaining the engine’s integrity. Its role is to provide a protective barrier that helps in preventing the ingress of contaminants, ensuring the engine operates smoothly and efficiently.

  • QSK3: For the QSK3 engine, the Boot part 4095439 is a key component that ensures the engine’s internal components remain protected. Its design and placement are specifically engineered to fit the QSK3 engine, providing a reliable seal that enhances the engine’s performance and durability.

  • QSK1: In the QSK1 engine, the Boot part 4095439 is a crucial component that provides a protective seal. Its design is tailored to fit the specific architecture of the QSK1 engine, ensuring that the engine’s internal parts remain protected from contaminants and environmental elements.

Role of Part 4095439 Boot in Engine Systems

Part 4095439 Boot is an essential component in various engine systems, ensuring the smooth operation and longevity of several key parts. Its primary function is to provide a protective seal around moving components, preventing contaminants from entering sensitive areas and maintaining the integrity of the engine’s performance.

Interaction with Camshaft

In the camshaft system, the Boot plays a significant role by safeguarding the camshaft bearings and followers. It ensures that lubricants remain in place, reducing friction and wear on these components. This protection is vital for maintaining the camshaft’s precise operation, which is fundamental for the engine’s timing and overall efficiency.

Connecting Rod and Piston Assembly

Within the connecting rod and piston assembly, the Boot is instrumental in protecting the piston pins and rod bearings. By keeping dirt and debris out, it helps maintain the smooth movement of the piston within the cylinder. This is particularly important in high-performance engines where precision and reduced friction are paramount.

Cylinder Head and Fuel Manifold

In the cylinder head, the Boot ensures that valve stems and guides remain clean and well-lubricated. This is essential for the proper sealing of the combustion chamber and the efficient operation of the valves. Additionally, in the fuel manifold, the Boot helps protect the injector plumbing, ensuring a clean fuel delivery system free from contaminants that could affect fuel atomization and engine performance.

Injector and Plumbing Systems

For injectors, the Boot provides a sealed environment that protects the injector’s moving parts and electrical connections. This is crucial for maintaining the injector’s accuracy and reliability, directly impacting fuel delivery and combustion efficiency. In injector plumbing, the Boot prevents particles from entering the fuel lines, ensuring consistent fuel flow and pressure.

Overall Engine Performance

Across all these components, the consistent use of Part 4095439 Boot contributes to the overall performance and reliability of the engine. By maintaining clean and well-lubricated moving parts, it helps reduce wear, enhance efficiency, and prolong the lifespan of the engine. This is particularly beneficial in high-stress environments where engine parts are subjected to extreme conditions 2.

Conclusion

The Cummins 4095439 Boot is a critical component in the maintenance and performance of commercial truck engines. Its role in protecting moving parts from contaminants, maintaining lubrication, and ensuring the smooth operation of various engine systems cannot be overstated. Proper installation, regular maintenance, and understanding its application across different Cummins engine models are key to maximizing its benefits and ensuring the longevity and efficiency of the engine.


  1. Reif, K. (2015). Automotive Mechatronics. Springer Vieweg.

  2. Lakshminarayanan, P. A., & Nayak, N. S. (2011). Critical Component Wear in Heavy Duty Engines. John Wiley & Sons.

SPECIFICATIONS

Package Dimensions
6.5 x 2.1 x 2.1 in
Weight
12.69 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.