5525373
Lubricating Oil Pump
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$85.95 $102.28

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 5525373 Lubricating Oil Pump is designed to ensure the efficient circulation of oil within the engine of commercial trucks. Its purpose is to maintain adequate lubrication of engine parts, which is vital for the smooth operation and longevity of the engine. This part is integral to the engine’s lubrication system, facilitating the delivery of oil to critical components under various operating conditions.

Function and Operation of Lubricating Oil Pumps

Lubricating oil pumps operate on the principle of creating a pressure differential to circulate oil through the engine. They draw oil from the sump and pressurize it before distributing it to various engine parts. This circulation ensures that moving components, such as the crankshaft, camshaft, and bearings, receive a continuous supply of lubricant. Proper lubrication reduces friction, wear, and heat generation, contributing to the overall efficiency and durability of the engine 1.

Role of the 5525373 Lubricating Oil Pump in Truck Operation

The 5525373 Lubricating Oil Pump plays a significant role in the operation of a commercial truck by ensuring that engine components are consistently lubricated. This consistent lubrication contributes to engine performance by reducing friction and wear on moving parts. Additionally, it aids in dissipating heat, which is crucial for maintaining engine temperature within optimal ranges. The pump’s reliable operation is fundamental to the engine’s longevity and efficiency.

Key Features of the 5525373 Lubricating Oil Pump

The design and construction of the 5525373 Lubricating Oil Pump incorporate several features that enhance its performance and durability. It is constructed from high-quality materials that resist wear and corrosion, ensuring longevity in demanding environments. The pump’s design may include precision-machined components to ensure efficient oil circulation and minimal leakage. Additionally, it is engineered to operate effectively across a range of engine speeds and loads, adapting to the varying demands of commercial truck operation.

Benefits of Using the 5525373 Lubricating Oil Pump

Utilizing the 5525373 Lubricating Oil Pump offers several advantages. It provides improved engine lubrication, which is crucial for reducing friction and wear on engine components. This enhanced lubrication can lead to increased engine durability and potentially improve fuel efficiency by ensuring that the engine operates smoothly and efficiently. The pump’s reliable performance under various conditions contributes to the overall reliability and performance of the truck.

Common Issues and Troubleshooting

Typical problems that may arise with lubricating oil pumps include oil leaks, insufficient oil pressure, and pump failure. These issues can often be traced to wear and tear, contamination of the oil, or mechanical failures within the pump. Troubleshooting steps may involve inspecting the pump for signs of wear, checking the oil for contamination, and ensuring that the pump is receiving adequate power and lubrication. Solutions may range from cleaning and repairing the pump to complete replacement in cases of severe damage.

Maintenance Practices

To ensure optimal performance of the 5525373 Lubricating Oil Pump, regular maintenance is recommended. This includes periodic inspection for signs of wear or damage, cleaning the pump and its components to remove any contaminants, and replacing the pump according to the manufacturer’s guidelines or when signs of failure are detected. Adhering to these maintenance practices helps to prolong the life of the pump and ensures consistent engine lubrication.

Integration with Engine Systems

The 5525373 Lubricating Oil Pump interacts with various engine components and systems. It works in conjunction with the crankshaft and camshaft to ensure that these critical parts receive a continuous supply of lubricant. The pump also connects to the oil filter, which plays a role in removing contaminants from the oil before it is circulated through the engine. This integration ensures that the engine operates efficiently and that all moving parts are adequately protected from wear and damage.

Performance Under Various Conditions

The performance of the 5525373 Lubricating Oil Pump is designed to be consistent under a range of operating conditions. Whether the engine is under high load, experiencing extreme temperatures, or operating at varying speeds, the pump is engineered to maintain efficient oil circulation. This adaptability ensures that the engine receives the lubrication it needs to operate smoothly and efficiently, regardless of the conditions.

Cummins: A Brief 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 has established a reputation for quality, reliability, and innovation in the commercial vehicle industry. The company’s product range includes engines for on-highway and off-highway applications, as well as filtration and power generation systems. Cummins’ commitment to excellence and customer satisfaction has made it a preferred choice for commercial vehicle operators worldwide.

Cummins Lubricating Oil Pump Part 5525373 Compatibility

The Cummins lubricating oil pump part number 5525373 is designed to fit a variety of Cummins engine models. Below is a detailed description of its compatibility with the listed engines:

B4.5 CM2350 B129B

The lubricating oil pump part 5525373 is compatible with the B4.5 CM2350 B129B engine. This engine is known for its robust performance and reliability, making the specified oil pump an essential component for maintaining its operational efficiency.

F3.8 F102 and ISF3.8 CM2220 AN

The part 5525373 is also suitable for the F3.8 F102 engine as well as the ISF3.8 CM2220 AN engine. These engines benefit from the pump’s design, ensuring proper lubrication and reducing wear and tear on critical engine components.

ISF3.8 CM2220 F103 and ISF3.8 CM2350 F109

The lubricating oil pump part 5525373 fits both the ISF3.8 CM2220 F103 and ISF3.8 CM2350 F109 engines. These engines are part of a series that emphasizes fuel efficiency and power, and the specified oil pump is integral to their performance.

ISF4.5 CM2220 F123 and QSF3.8 CM2350 F107

The part 5525373 is compatible with the ISF4.5 CM2220 F123 and QSF3.8 CM2350 F107 engines. These engines are designed for heavy-duty applications, and the oil pump ensures that they receive the necessary lubrication to operate smoothly and reliably.

QSF3.8 CM2880 F112

Lastly, the lubricating oil pump part 5525373 fits the QSF3.8 CM2880 F112 engine. This engine is engineered for demanding conditions, and the specified oil pump is crucial for maintaining its performance and longevity.

Each of these engines relies on the lubricating oil pump part 5525373 to ensure that the engine’s moving parts are adequately lubricated, which helps in reducing friction, heat, and wear, ultimately contributing to the engine’s overall efficiency and lifespan.

Role of Part 5525373 Lubricating Oil Pump in Engine Systems

The part 5525373 lubricating oil pump is integral to maintaining the health and efficiency of engine systems by ensuring consistent oil circulation. This pump works in conjunction with several key components to deliver optimal performance.

Interaction with Engine Components

  1. Crankshaft and Connecting Rods: The lubricating oil pump supplies oil to the crankshaft and connecting rods, reducing friction and wear. This consistent lubrication is essential for the smooth operation and longevity of these components.

  2. Camshaft and Valve Train: Proper lubrication of the camshaft and valve train is facilitated by the oil pump, ensuring that these components move with minimal resistance. This helps in maintaining precise valve timing and reduces the likelihood of mechanical failures.

  3. Pistons and Cylinder Walls: The pump ensures that oil reaches the pistons and cylinder walls, forming a protective film that minimizes wear and heat generation. This is particularly important in high-performance engines where operating temperatures and stresses are elevated.

  4. Bearings: All engine bearings, including main and rod bearings, rely on a steady supply of oil to function correctly. The lubricating oil pump plays a vital role in delivering oil to these critical points, preventing metal-to-metal contact and subsequent damage.

  5. Oil Filter: The pump pushes oil through the filter, ensuring that contaminants are removed before the oil is circulated back into the engine. This maintains the cleanliness of the lubricant, enhancing its effectiveness over time.

  6. Oil Cooler: In systems equipped with an oil cooler, the pump ensures that oil is circulated through this component, helping to maintain optimal operating temperatures. This is especially beneficial in high-stress environments or during extended periods of operation.

  7. Turbocharger (if present): For engines with turbochargers, the lubricating oil pump ensures that the turbo’s bearings and other moving parts receive adequate lubrication. This is essential for the turbocharger’s efficiency and durability.

  8. Timing Chain or Belt: Consistent lubrication of the timing chain or belt is crucial for maintaining proper tension and reducing wear. The oil pump ensures that these components receive the necessary lubrication to operate smoothly.

In summary, the part 5525373 lubricating oil pump is a fundamental component in the engine’s lubrication system, interacting with various parts to ensure they operate efficiently and endure over time.

Conclusion

The Cummins 5525373 Lubricating Oil Pump is a critical component in the lubrication system of commercial truck engines. Its role in ensuring consistent oil circulation to engine components is vital for reducing friction, wear, and heat generation. The pump’s design and construction, featuring high-quality materials and precision-machined components, contribute to its durability and efficiency. Regular maintenance and proper troubleshooting are essential for prolonging the life of the pump and ensuring optimal engine performance. The integration of this part with various engine systems underscores its importance in maintaining the overall health and efficiency of the engine.


  1. Hans B. Pacejka, Tyre and Vehicle Dynamics, Butterworth-Heinemann, 2006.

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SPECIFICATIONS

Service Part Topic
TSB150199
Package Dimensions
34.0 x 34.0 x 14.0 in
Weight
3.94 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.