3918211
Lubricating Oil Pump
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$239.95 $285.54

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 3918211 Lubricating Oil Pump, manufactured by Cummins, is a vital component in the operation of commercial trucks. Cummins, a well-established name in the commercial truck industry, is known for its high-quality engine components. This part is designed to ensure efficient lubrication of engine parts, contributing to the overall performance and longevity of the truck’s engine 1.

Basic Concepts of Lubricating Oil Pumps

A lubricating oil pump is a device that circulates oil throughout an engine to reduce friction between moving parts. Its primary functions include delivering oil to critical engine components such as bearings, pistons, and camshafts. By maintaining a consistent flow of lubricant, the pump helps to minimize wear and tear, ensuring smooth operation and extending the engine’s lifespan. The pump operates by drawing oil from the sump and pressurizing it before distributing it through the engine system 2.

Role of the 3918211 Lubricating Oil Pump in Truck Operation

This Cummins part plays a significant role in the operation of a commercial truck by ensuring that all moving parts within the engine receive adequate lubrication. This consistent lubrication helps to maintain engine performance by reducing friction, which in turn minimizes heat generation and wear on engine components. Proper lubrication is fundamental to achieving optimal engine efficiency and longevity 3.

Key Features of the 3918211 Lubricating Oil Pump

The 3918211 is characterized by its robust design and high-quality construction. It is built using durable materials that can withstand the demanding conditions within a commercial truck engine. The pump features precise engineering to ensure efficient oil delivery and reliable performance. Additionally, its design includes elements that enhance durability and effectiveness in maintaining engine lubrication.

Benefits of Using the 3918211 Lubricating Oil Pump

Incorporating this part into a truck’s engine system offers several advantages. These include improved engine efficiency due to reduced friction, lower maintenance requirements thanks to its durable construction, and enhanced engine durability resulting from consistent lubrication. The pump’s reliable performance contributes to the overall reliability and efficiency of the truck’s engine.

Installation and Integration

Proper installation of the 3918211 is crucial for optimal performance. It should be integrated into the engine system according to the manufacturer’s guidelines to ensure it functions correctly within the engine’s lubrication circuit. Attention to detail during installation helps to avoid potential issues and ensures the pump operates efficiently.

Maintenance and Troubleshooting

Regular maintenance practices are recommended to ensure the longevity and efficiency of the Lubricating Oil Pump. This includes periodic inspections for wear and tear, ensuring all connections are secure, and verifying that the pump is functioning as intended. Common troubleshooting tips involve checking for oil leaks, ensuring proper oil levels, and addressing any unusual noises or performance issues promptly.

Performance and Efficiency

The use of the 3918211 in commercial truck engines is associated with notable performance metrics and efficiency gains. Its efficient oil delivery system contributes to reduced friction and wear, leading to smoother engine operation and potentially lower fuel consumption. The pump’s reliable performance is a key factor in maintaining the engine’s efficiency over time.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of high-quality engine components and systems. With a rich history of innovation and excellence, Cummins has established a strong reputation for producing reliable and efficient engine parts. The company’s commitment to quality and performance is evident in its product lineup, which includes the 3918211 Lubricating Oil Pump.

Cummins Lubricating Oil Pump Part 3918211 Compatibility

The Cummins lubricating oil pump part number 3918211 is designed to be compatible with a range of engine models, ensuring efficient oil circulation and engine protection. This part is engineered to meet the specific requirements of various Cummins engines, providing reliable performance and durability.

Compatible Engines

  • 4B3.9
  • B3.9 G

These engines benefit from the precise engineering of the 3918211 oil pump, which is crucial for maintaining optimal engine health by ensuring that all moving parts are adequately lubricated. The compatibility of this part with the listed engines underscores its versatility and importance in the engine’s overall operation.

Role of Part 3918211 Lubricating Oil Pump in Engine Systems

The lubricating oil pump, identified by part number 3918211, is an essential component in maintaining the health and efficiency of an engine system. Its primary function is to circulate lubricating oil throughout the engine, ensuring that all moving parts are adequately coated to reduce friction and wear.

Integration with the Cylinder Block

The lubricating oil pump is strategically positioned to draw oil from the sump and deliver it under pressure to the cylinder block. Within the cylinder block, the oil is distributed to critical areas such as the crankshaft, pistons, and connecting rods. This consistent lubrication is vital for the smooth operation of these components, minimizing metal-to-metal contact and subsequent wear.

Interaction with the Pump

Part 3918211 works in conjunction with other types of pumps within the engine system, such as the fuel pump and coolant pump, to maintain overall engine performance. While the fuel pump ensures a steady supply of fuel and the coolant pump manages engine temperature, the lubricating oil pump focuses on protecting the mechanical components from damage due to friction.

Lubricating Oil Distribution

The effectiveness of part 3918211 in distributing lubricating oil is paramount. The pump ensures that oil reaches not only the cylinder block but also other engine components like the camshaft, valve train, and turbocharger (if present). This comprehensive lubrication system helps in dissipating heat, cleaning internal parts by carrying away contaminants, and maintaining optimal engine performance over time.

Conclusion

In summary, the lubricating oil pump plays a significant role in the engine’s lubrication system, working seamlessly with the cylinder block and other engine components to ensure longevity and efficiency. The 3918211 Lubricating Oil Pump, with its robust design and precise engineering, is a critical component in maintaining the performance and durability of commercial truck engines.


  1. Peters, G., & Peters, B. J. (2002). Automobile Vehicle Safety. CRC Press.

  2. Pulkrabek, W. W. (2014). Engineering Fundamentals of the Internal Combustion Engine. Pearson Education.

  3. Bell, J. A. (2014). Modern Diesel Technology Electricity Electronics. Delmar Cengage Learning.

* 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.