3973971
Lubricating Oil Filter Head
Cummins®

DISCONTINUED

Cummins®

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 Lubricating Oil Filter Head 3973971 by Cummins is a component designed to facilitate the filtration process of engine oil in heavy-duty trucks. Its role is integral to the operation of the vehicle, ensuring that the engine oil remains clean and free from contaminants that could impair engine performance and longevity.

Basic Concepts of Lubricating Oil Filter Heads

A Lubricating Oil Filter Head is a part of the engine lubrication system that houses the oil filter. Its function is to provide a secure mounting point for the filter and to direct the flow of oil through the filter media, where contaminants are trapped. This process is vital for maintaining engine health, as clean oil ensures proper lubrication of moving parts, reduces wear, and helps in dissipating heat 1.

Purpose of the Lubricating Oil Filter Head

The 3973971 Lubricating Oil Filter Head is specifically designed to play a role in the filtration of engine oil within a truck’s engine system. It facilitates the removal of impurities and debris from the oil, which, if left unchecked, could lead to increased friction, wear on engine components, and potentially catastrophic engine failure. By ensuring that the oil remains clean, this component contributes to the efficient and reliable operation of the engine.

Key Features

The 3973971 Lubricating Oil Filter Head is characterized by its robust design and the use of high-quality materials that are resistant to the harsh conditions within an engine environment. It features a precise fitment to ensure a secure connection to the engine block and is engineered to withstand high pressures and temperatures. Additionally, its design may include features that simplify the replacement of the oil filter, enhancing maintenance efficiency.

Benefits

The use of the 3973971 Lubricating Oil Filter Head offers several advantages. It contributes to improved engine performance by ensuring that the oil circulating through the engine is free from contaminants. This leads to reduced wear on engine components, potentially extending the engine’s operational life. Furthermore, by maintaining oil cleanliness, it supports the engine’s reliability, reducing the likelihood of unexpected downtimes due to oil-related issues.

Installation Process

Installing the 3973971 Lubricating Oil Filter Head requires careful attention to ensure a proper fit and seal. The process involves preparing the engine block surface, aligning the head with the mounting points, and securing it in place using the appropriate tools. It is important to follow manufacturer guidelines to ensure that the head is correctly installed, which includes torquing fasteners to the specified settings to prevent leaks and ensure structural integrity.

Troubleshooting Common Issues

Common issues with Lubricating Oil Filter Heads can include leaks, difficulty in filter replacement, and contamination bypassing the filter. These problems can often be traced back to incorrect installation, wear and tear, or the use of incompatible filters. Solutions may involve re-torquing fasteners, replacing worn gaskets, or ensuring the correct filter is used. Regular inspections can help in identifying and addressing these issues before they lead to more significant problems.

Maintenance Tips

To ensure the longevity and efficiency of the 3973971 Lubricating Oil Filter Head, regular maintenance is recommended. This includes inspecting the head and its connections for signs of wear or leaks, ensuring that the oil filter is replaced according to the manufacturer’s schedule, and checking for proper torque on all fasteners. Adhering to these maintenance practices can help in preventing issues and ensuring the component continues to perform its function effectively.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins is committed to quality, innovation, and customer satisfaction. The company’s product range includes engines and components for on-highway, off-highway, and stationary applications, demonstrating its versatility and expertise in the automotive industry.

Cummins Engine Compatibility with Lubricating Oil Filter Head Part 3973971

The Cummins part 3973971, a Lubricating Oil Filter Head, is designed to fit seamlessly with several of Cummins’ engine models. This part is integral to the engine’s oil filtration system, ensuring that the oil remains clean and free from contaminants, which is crucial for maintaining engine performance and longevity.

K19 Engines

The K19 engine series benefits from the use of the 3973971 oil filter head. This part ensures that the oil is properly filtered before it circulates through the engine, protecting vital components from wear and tear.

QSB6.7 CM850 (CM2850) Engines

The QSB6.7 CM850 (CM2850) engines are another series where the 3973971 oil filter head is compatible. This part is essential for maintaining the high standards of oil purity required by these engines, ensuring optimal performance and reliability.

QSB7 CM2880 B117 Engines

For the QSB7 CM2880 B117 engines, the 3973971 oil filter head is a critical component. It ensures that the oil is effectively filtered, which is vital for the engine’s operation, especially in demanding conditions.

QSK19 CM850 MCRS Engines

The QSK19 CM850 MCRS engines also utilize the 3973971 oil filter head. This part is designed to fit these engines perfectly, providing the necessary filtration to keep the oil clean and the engine running smoothly.

By ensuring that the 3973971 oil filter head is used with the appropriate engines, users can maintain the integrity of their engine’s oil system, leading to better performance and longer engine life.

Role of Part 3973971 Lubricating Oil Filter Head in Engine Systems

The Part 3973971 Lubricating Oil Filter Head is an integral component in the efficient operation of various engine systems. Its primary function is to facilitate the filtration process of the lubricating oil, ensuring that the oil circulating within the engine remains clean and free from contaminants.

Integration with Lubricating Oil Systems

In lubricating oil systems, the Lubricating Oil Filter Head is positioned upstream of the lubricating oil filter. It serves as the interface between the engine’s oil passages and the filter media. This component allows for the smooth transition of oil from the engine’s sump or oil pan into the filter, where impurities are trapped. The filtered oil then exits the filter head and is directed back into the engine’s lubrication circuit, ensuring that all moving parts receive clean oil for optimal performance and longevity.

Role in Full Flow Oil Filtration

Within full flow oil filtration systems, the Lubricating Oil Filter Head plays a significant role in maintaining the efficiency of the filtration process. It ensures that the oil flow is consistent and that the filter media is effectively utilized. By regulating the flow of oil into the filter, it prevents overloading and ensures that the filter can operate within its designed parameters, thus enhancing the overall filtration efficiency and extending the service life of the filter media.

Interaction with Plumbing and Fuel Systems

Although primarily designed for lubricating oil systems, the principles of filtration and flow management applied by the Lubricating Oil Filter Head can be analogously understood in plumbing and fuel systems. In plumbing, similar components ensure that water or other fluids are filtered before use, preventing contaminants from entering sensitive equipment. In fuel systems, fuel filters work in conjunction with their respective filter heads to ensure that fuel delivered to the engine is clean, thus supporting combustion efficiency and engine performance.

Synergy with Fuel Filters

In the context of fuel filters, the Lubricating Oil Filter Head concept can be paralleled to understand the importance of proper filtration in fuel systems. Fuel filters, like their lubricating oil counterparts, rely on effective filter heads to manage the flow of fuel into the filter media. This ensures that contaminants are efficiently removed from the fuel before it reaches the engine, supporting optimal combustion and reducing the risk of engine damage due to contaminated fuel.

Conclusion

In summary, the Part 3973971 Lubricating Oil Filter Head is a key component in ensuring the cleanliness and quality of lubricating oil within engine systems. Its role extends beyond simple filtration, encompassing the management of oil flow and the protection of engine components through clean lubrication.


  1. Bartz, Wilfried J. Engine Oils and Automotive Lubrication Mechanical Engineering Book 80. CRC Press, 2019.

SPECIFICATIONS

Package Dimensions
12.0 x 10.6 x 8.2 in
Weight
16.62 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.