3934303
Lubricating Oil Filter Head
Cummins®

The Lubricating Oil Filter Head 3934303 is a component designed by Cummins to facilitate the filtration of lubricating oil in heavy-duty trucks. This part is integral to the engine’s lubrication system, ensuring that the oil circulating through the engine remains clean and free from contaminants. Cummins, a well-established manufacturer in the automotive and heavy-duty truck industry, produces this filter head as part of its commitment to enhancing engine performance and longevity ¹.

Function and Operation

The Lubricating Oil Filter Head 3934303 operates within the engine’s lubrication system by housing the oil filter and allowing oil to flow through it. As oil passes through the filter, contaminants and debris are trapped, ensuring that only clean oil circulates through the engine. This process is vital for maintaining the quality of the lubricating oil, which in turn helps to reduce wear on engine components, maintain optimal engine temperature, and ensure smooth operation ².

Key Features

The Lubricating Oil Filter Head 3934303 boasts several key features that enhance its performance. It is constructed from durable materials to withstand the high pressures and temperatures of the engine environment. The design includes precise engineering to ensure a secure fit and efficient filtration. Additionally, the filter head may incorporate unique characteristics such as anti-drainback valves to prevent oil loss during engine shutdown and start-up, ensuring that the engine is immediately lubricated upon start-up ³.

Benefits of Using Lubricating Oil Filter Head 3934303

Utilizing the Lubricating Oil Filter Head 3934303 offers several advantages. It contributes to improved engine performance by ensuring that the oil remains clean and effective in lubricating moving parts. This can lead to extended engine life, as reduced wear on components allows the engine to operate efficiently over a longer period. Furthermore, the reliable filtration provided by this filter head enhances the overall reliability of the engine, reducing the likelihood of unexpected downtime due to oil contamination ⁴.

Installation and Compatibility

Proper installation of the Lubricating Oil Filter Head 3934303 is crucial for its effective operation. Guidelines for installation should be followed to ensure a secure and correct fit within the engine system. This component is designed to be compatible with various Cummins engines, though specific requirements for installation may vary depending on the engine model. It is important to consult the manufacturer’s guidelines for detailed compatibility and installation instructions ⁵.

Maintenance and Troubleshooting

Regular maintenance of the Lubricating Oil Filter Head 3934303 is recommended to ensure its continued efficient operation. This includes periodic inspection and replacement of the oil filter as per the manufacturer’s recommendations. Common issues that may arise include oil leaks or reduced filtration efficiency, which can often be addressed by ensuring the filter head is correctly installed and the oil filter is in good condition. Troubleshooting steps may involve checking for proper seal integrity and ensuring that all connections are secure ⁶.

Safety Considerations

When handling and installing the Lubricating Oil Filter Head 3934303, it is important to observe safety precautions. This includes working in a well-ventilated area, wearing appropriate personal protective equipment, and ensuring that the engine is cool before beginning any maintenance or installation procedures. Potential hazards such as hot surfaces or pressurized oil should be mitigated by allowing the engine to cool and relieving any pressure in the lubrication system before proceeding ⁷.

Cummins Corporation Overview

Cummins Corporation is a leading manufacturer in the automotive and heavy-duty truck industry, known for its wide range of products including engines, filtration systems, and power generation equipment. With a history of innovation and quality, Cummins has established a strong reputation for producing reliable and high-performance components. The company’s commitment to excellence is reflected in its products, including the Lubricating Oil Filter Head 3934303, which is designed to meet the demanding requirements of heavy-duty applications ⁸.

Cummins Engine Compatibility with Lubricating Oil Filter Head Part 3934303

The Cummins part 3934303, a Lubricating Oil Filter Head, is designed to fit seamlessly into various Cummins engine models. This part is integral for maintaining the engine’s lubrication system, ensuring that oil is filtered effectively before circulating through the engine.

Engine Compatibility

4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines are part of Cummins’ B-Series line, known for their robust performance and reliability. The 3934303 oil filter head is engineered to fit these engines, providing a secure and efficient connection point for the oil filter. This ensures that the oil is properly filtered, which is crucial for maintaining engine health and longevity.

B4.5 Engine

The B4.5 engine, another member of the B-Series family, also benefits from the 3934303 oil filter head. This part is specifically designed to integrate with the B4.5’s oil system, ensuring optimal filtration and performance. The compatibility of this part with the B4.5 engine underscores Cummins’ commitment to providing high-quality, reliable components.

ISB CM550 and QSB5.9 44 CM550 Engines

The ISB CM550 and QSB5.9 44 CM550 engines are part of Cummins’ ISB and QSB series, respectively. These engines are widely used in various applications, from heavy-duty trucks to industrial machinery. The 3934303 oil filter head is designed to fit these engines, ensuring that the oil is filtered effectively, which is essential for maintaining the high performance and reliability these engines are known for.

Grouping by Application

The engines mentioned can be grouped based on their typical applications:

• Commercial and Industrial Use: 4B3.9, 6B5.9, B4.5
• Heavy-Duty and Industrial Machinery: ISB CM550, QSB5.9 44 CM550

In both groups, the 3934303 oil filter head plays a crucial role in maintaining the engine’s lubrication system, ensuring that the oil is filtered effectively and the engine operates smoothly.

Role of Part 3934303 Lubricating Oil Filter Head in Engine Systems

The lubricating oil filter head, identified by part number 3934303, is an integral component in the efficient operation of engine systems. Its primary function is to facilitate the flow of engine oil from the oil pan to the oil filter, ensuring that the oil is adequately filtered before being circulated throughout the engine.

Interaction with the Cooler

In systems where an oil cooler is employed, the lubricating oil filter head plays a significant role. After the oil has been filtered, it is directed to the oil cooler. Here, the oil is cooled to optimal temperatures, enhancing its viscosity and lubricating properties. The filter head ensures a consistent flow of oil to the cooler, maintaining the efficiency of the cooling process and protecting the engine from overheating.

Integration with Engine Oil System

The lubricating oil filter head is a key interface in the engine oil system. It connects the oil pump, which draws oil from the oil pan, to the oil filter. This connection is vital for maintaining the pressure and flow rate of the oil as it is pumped through the engine. The head allows for the regulation of oil flow, ensuring that the engine receives a steady supply of clean, filtered oil. This is essential for the lubrication of moving parts, reduction of friction, and prevention of wear and tear within the engine.

Conclusion

In summary, the lubricating oil filter head (part 3934303) is a fundamental component that ensures the proper functioning of the oil filtration and cooling processes within engine systems. Its role in maintaining the quality and flow of engine oil is essential for the longevity and performance of the engine.