3393813
Grease Fitting
Cummins®

The Cummins 3393813 Grease Fitting is a component designed to facilitate the lubrication process in commercial trucks. Its purpose is to allow for the periodic introduction of grease into various moving parts of the truck, ensuring smooth operation and reducing wear. The significance of this fitting lies in its contribution to the overall maintenance and longevity of the vehicle, playing a role in preventing costly repairs and downtime ¹.

Basic Concepts of Grease Fittings

Grease fittings, also known as zerk fittings, are small devices installed on various parts of a truck that require lubrication. They function by providing a point of access for grease to be injected into the component, which helps to reduce friction between moving parts. This lubrication is vital for the efficient operation of the truck, as it minimizes wear and tear, and helps maintain the integrity of the mechanical components over time ².

Purpose of the 3393813 Grease Fitting

The Cummins 3393813 Grease Fitting is specifically designed to serve as an interface for the application of grease to various truck components. It is applied in areas where parts move against each other, such as in wheel bearings, suspension components, and other joints. By ensuring these areas are properly lubricated, the fitting contributes to the smooth operation of the truck and helps in maintaining the performance and durability of the components it services ³.

Key Features

The Cummins 3393813 Grease Fitting is characterized by several key features that enhance its performance. It is typically made from durable materials that can withstand the harsh conditions present in commercial truck environments. The design of the fitting includes a threaded body and a spring-loaded check valve, which allows grease to be injected under pressure while preventing it from leaking out. These features ensure that the fitting is both reliable and effective in its role ⁴.

Benefits of Using the 3393813 Grease Fitting

Utilizing the Cummins 3393813 Grease Fitting offers several advantages. It provides improved lubrication to critical components, which can lead to extended component life and enhanced truck performance. Regular use of the fitting as part of a maintenance schedule can help in identifying potential issues before they become serious problems, contributing to the overall reliability of the vehicle ⁵.

Installation Process

Installing the Cummins 3393813 Grease Fitting requires careful attention to ensure it functions correctly. The process involves cleaning the area where the fitting will be installed, threading the fitting into the designated hole, and tightening it to the manufacturer’s specifications. It is important to use the correct tools and follow procedures to avoid damage to the fitting or the component it is being installed on ⁶.

Maintenance and Care

Regular maintenance of the Cummins 3393813 Grease Fitting is important to ensure its continued effectiveness. This includes adhering to lubrication schedules recommended by the manufacturer, inspecting the fitting for signs of wear or damage, and addressing any issues promptly. Proper care of the fitting will help in maintaining the efficiency of the lubrication system and the overall performance of the truck ⁷.

Troubleshooting Common Issues

Common issues with grease fittings, including the Cummins 3393813 model, can include leaks, blockages, and wear. Addressing these problems involves identifying the cause, whether it be improper installation, contamination, or mechanical wear, and taking the appropriate steps to resolve the issue. This may involve cleaning the fitting, replacing worn components, or adjusting the lubrication process ⁸.

Compatibility and Applications

The Cummins 3393813 Grease Fitting is designed for use in a variety of commercial truck applications. Its compatibility with different truck models and components underscores its versatility and widespread use in the industry. Understanding where and how this fitting is applied can help in ensuring that it is used effectively as part of a comprehensive maintenance strategy ⁹.

Manufacturer Overview - Cummins

Cummins is a well-regarded manufacturer in the automotive and heavy-duty truck parts industry. With a history of innovation and a commitment to quality, Cummins has established itself as a leader in the production of reliable and high-performance components. Their reputation is built on a foundation of expertise, customer satisfaction, and a continuous drive towards improvement in automotive technology ¹⁰.

Grease Fitting 3393813 Compatibility with Cummins Engines

The Grease Fitting part number 3393813, manufactured by Cummins, is designed to integrate seamlessly with several of their engine models. This fitting is crucial for maintaining the operational integrity of the engines by ensuring that lubrication points are easily accessible and maintainable.

K19 Engines

In the K19 engine series, the Grease Fitting 3393813 is strategically placed to facilitate regular maintenance. Its design ensures that it fits snugly into the designated lubrication points, providing a reliable seal that prevents grease leakage. This is particularly important in the K19 engines, where consistent lubrication is key to maintaining performance and longevity.

QSK19 and CM850 Engines

For the QSK19 and CM850 engines, the Grease Fitting 3393813 is engineered to meet the specific demands of these high-performance engines. The fitting’s robust construction allows it to withstand the rigors of heavy-duty operations, ensuring that lubrication is maintained even under extreme conditions. Its precise fit ensures that maintenance personnel can quickly and efficiently service the engines without the need for specialized tools.

MCRS Engines

The MCRS engines also benefit from the Grease Fitting 3393813. This fitting is designed to integrate with the unique design features of the MCRS engines, providing a seamless connection to the lubrication system. Its compatibility with these engines ensures that maintenance procedures can be performed with ease, contributing to the overall reliability and efficiency of the engine.

By ensuring that the Grease Fitting 3393813 is compatible with these Cummins engine models, maintenance and operational efficiency are significantly enhanced. This fitting’s design and construction make it an essential component for the proper maintenance of these engines.

Role of Part 3393813 Grease Fitting in Engine Systems

The 3393813 Grease Fitting is an integral component in the lubrication system of various engine setups. It facilitates the delivery of grease to moving parts, ensuring smooth operation and reducing wear.

In the front engine support, the grease fitting plays a significant role by allowing grease to be injected into the support bearings. This lubrication is essential for minimizing friction between the rotating and stationary parts, which in turn enhances the durability and performance of the support structure.

Similarly, in the support components of the engine, the 3393813 Grease Fitting ensures that grease reaches the necessary points within the support framework. This is particularly important for components that experience high levels of stress and movement, such as pivot points and attachment joints.

For the front engine assembly, the grease fitting is positioned to provide lubrication to critical moving parts. This includes but is not limited to, the front engine mounts and any associated brackets or linkages. Proper lubrication in these areas prevents metal-to-metal contact, which can lead to premature wear and potential failure of the engine mounting system.

Overall, the 3393813 Grease Fitting is a key element in maintaining the integrity and efficiency of the engine’s support and mounting systems by ensuring that all moving parts receive adequate lubrication.

Conclusion

The Cummins 3393813 Grease Fitting plays a crucial role in the maintenance and operation of commercial trucks and engines. By facilitating the delivery of grease to moving parts, it ensures smooth operation, reduces wear, and contributes to the longevity of the vehicle. Regular maintenance and proper installation of this fitting are essential for maximizing its benefits and ensuring the reliability of the truck or engine it is installed in.