3428191
Lubricating Oil Pump
Cummins®

Introduction

The Cummins 3428191 Lubricating Oil Pump is a vital component in the operation of commercial trucks. Its purpose is to ensure that engine components receive adequate lubrication, which is crucial for maintaining engine performance and longevity. This pump is designed to deliver oil to various parts of the engine, reducing friction and wear, and contributing to the overall efficiency and reliability of the truck.

Basic Concepts of Lubricating Oil Pumps

A lubricating oil pump is a device that circulates oil throughout an engine to lubricate moving parts. It functions by drawing oil from the oil pan and delivering it under pressure to critical engine components such as bearings, pistons, and camshafts. Proper lubrication is important for minimizing friction, reducing heat, and preventing wear and tear on engine parts. Without adequate lubrication, engine components can suffer from increased friction and heat, leading to premature failure ¹.

Purpose of the Cummins 3428191 Lubricating Oil Pump

The Cummins 3428191 Lubricating Oil Pump plays a role in the operation of a truck by ensuring that engine components are properly lubricated. This pump contributes to engine performance by maintaining optimal lubrication levels, which helps in reducing friction and wear on moving parts. By ensuring consistent oil flow, it supports the longevity of the engine, allowing it to operate smoothly and efficiently over extended periods.

Key Features

The Cummins 3428191 Lubricating Oil Pump is characterized by several key features that enhance its performance. Its design incorporates robust materials that withstand the high pressures and temperatures within an engine. The pump is engineered to deliver precise oil flow, ensuring that all engine components receive the necessary lubrication. Additionally, it includes features such as filtration systems to remove contaminants from the oil, further protecting engine parts.

Benefits

Using the Cummins 3428191 Lubricating Oil Pump offers several benefits. It contributes to improved engine efficiency by ensuring that all moving parts are properly lubricated, which reduces friction and heat. This results in less wear and tear on engine components, leading to enhanced reliability and longevity. Additionally, the pump’s design helps in maintaining consistent oil pressure, which is important for the overall performance and durability of the engine ².

Installation Process

Installing the Cummins 3428191 Lubricating Oil Pump involves several steps to ensure proper integration into the engine system. Begin by preparing the engine compartment, ensuring that all old oil is drained and the area is clean. Next, remove the old pump if replacing an existing one. Install the new pump by aligning it with the engine’s oil passages and securing it in place with the appropriate fasteners. Finally, refill the oil system with the recommended type and quantity of oil, and perform a test run to confirm proper operation ³.

Maintenance Tips

To ensure optimal performance of the Cummins 3428191 Lubricating Oil Pump, regular maintenance is important. This includes inspecting the pump and its connections for any signs of wear or leaks during routine engine checks. It is also recommended to change the oil and filter at regular intervals to keep the lubrication system clean and efficient. Additionally, monitoring oil pressure gauges can help in identifying any potential issues with the pump early on.

Troubleshooting Common Issues

Common problems with the Cummins 3428191 Lubricating Oil Pump may include oil leaks, insufficient oil pressure, or pump failure. To address these issues, begin by checking all connections and seals for leaks. If oil pressure is low, inspect the pump for blockages or wear. In cases of pump failure, it may be necessary to replace the pump or repair any damaged components. Regular maintenance and prompt attention to any signs of trouble can help in preventing major issues.

Manufacturer Overview - Cummins

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its high-quality engines and components. Founded in 1919, Cummins has a long history of innovation and excellence. The company offers a wide range of products, including engines, filtration systems, and aftermarket parts, all designed to meet the demanding needs of commercial transportation. Cummins is recognized for its commitment to quality, reliability, and customer satisfaction, making it a trusted name in the industry.

Cummins Lubricating Oil Pump Part 3428191 Compatibility

The Cummins lubricating oil pump part number 3428191 is designed to fit seamlessly with a variety of engine models, ensuring optimal performance and reliability. This part is engineered to meet the specific needs of the engines it supports, providing efficient lubrication and maintaining engine health.

Compatible Engines

• QSV81G and QSV91G

  The lubricating oil pump part 3428191 is compatible with both the QSV81G and QSV91G engines. These engines benefit from the precise lubrication that this part provides, ensuring smooth operation and longevity.

• QSW/QSV82

  The QSW/QSV82 engines also integrate well with the Cummins lubricating oil pump part 3428191. This compatibility ensures that these engines receive the necessary lubrication to function efficiently and reliably.

• QSW73

  The QSW73 engine is another model that is compatible with the part 3428191. This compatibility is crucial for maintaining the engine’s performance and preventing wear and tear.

Grouping for Compatibility

The engines QSV81G and QSV91G, while distinct, share similar design elements that make them compatible with the same lubricating oil pump. This grouping simplifies maintenance and ensures that the correct part is used across similar engine models.

Similarly, the QSW/QSV82 and QSW73 engines, though different, are grouped together due to their compatibility with the part 3428191. This grouping helps in streamlining the inventory and maintenance processes, ensuring that the right parts are readily available for these engines.

Role of Part 3428191 Lubricating Oil Pump in Engine Systems

The Part 3428191 Lubricating Oil Pump is an essential component in the lubricating oil assembly, ensuring the efficient circulation of oil throughout the engine system. Its primary function is to draw oil from the sump and deliver it under pressure to various engine components, facilitating smooth operation and reducing wear.

Integration with Lubricating Oil Assembly

Within the lubricating oil assembly, the pump works in conjunction with other components to maintain optimal oil pressure. It is responsible for:

• Oil Pickup: Efficiently drawing oil from the sump, ensuring a consistent supply.
• Pressure Regulation: Delivering oil at the necessary pressure to critical engine parts.
• Filter Bypass: In some designs, allowing oil to bypass the filter if pressure drops, ensuring continuous lubrication.

Interaction with Lubricating Oil Mounting Pump

When paired with a lubricating oil mounting pump, the 3428191 pump enhances the system’s reliability. This setup allows for:

• Redundancy: Providing a backup in case one pump fails, ensuring uninterrupted oil flow.
• Load Distribution: Sharing the workload, which can extend the lifespan of both pumps.

Role in the Overall Pump System

As part of the broader pump system, the 3428191 pump contributes to:

• Enhanced Lubrication: Ensuring all moving parts, including bearings, pistons, and camshafts, receive adequate lubrication.
• Thermal Management: Helping to dissipate heat by circulating oil, which also acts as a coolant.
• Wear Reduction: Minimizing friction between metal surfaces, which reduces overall wear and tear on engine components.

Lubricating Oil Circulation

The pump is integral to the lubricating oil circulation process, which involves:

• Sump: Drawing oil from the lowest point in the engine.
• Filter: Passing oil through a filter to remove contaminants.
• Gallery: Distributing clean, pressurized oil to various engine parts.
• Return: Allowing used oil to flow back to the sump for recirculation.

Conclusion

In summary, the Part 3428191 Lubricating Oil Pump plays a significant role in maintaining the health and efficiency of engine systems by ensuring consistent and pressurized oil delivery to all critical components. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.