3979489
Oil Pan
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,899.95 $2,260.94

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

Introduction

The Cummins 3979489 Oil Pan is a component designed for use in heavy-duty trucks, specifically engineered to meet the demanding requirements of commercial and industrial applications. Its role in the operation of these vehicles is significant, as it contributes to the efficient functioning and longevity of the engine 3.

Basic Concepts of an Oil Pan

An oil pan is a fundamental part of an engine’s lubrication system. Its primary functions include storing engine oil, which is essential for lubricating moving parts, and facilitating the circulation of this oil throughout the engine. The oil pan also plays a protective role, shielding internal engine components from external contaminants and providing a reservoir that can accommodate fluctuations in oil level 2.

Purpose of the Cummins 3979489 Oil Pan

The Cummins 3979489 Oil Pan serves several functions within the engine system of a heavy-duty truck. It stores a sufficient quantity of engine oil to ensure continuous lubrication of engine components. This oil is circulated through the engine, reducing friction and wear on parts such as pistons, bearings, and the crankshaft. Additionally, the oil pan acts as a protective barrier for the engine’s lower components, safeguarding them from road debris and other potential hazards 3.

Key Features

The Cummins 3979489 Oil Pan is characterized by several key features that enhance its performance and durability. Its design is tailored to the specific requirements of Cummins engines, ensuring optimal fit and function. Constructed from high-quality materials, it offers resistance to corrosion and physical damage. The oil pan’s capacity is sized to accommodate the oil volume necessary for heavy-duty applications, and it may include unique attributes such as baffles to minimize oil surge during operation 1.

Benefits of Using the Cummins 3979489 Oil Pan

Utilizing the Cummins 3979489 Oil Pan provides several advantages. It offers improved engine protection through effective lubrication and shielding of internal components. The design enhances oil circulation, contributing to more efficient engine operation. Its durability ensures long-term performance under the strenuous conditions typical of heavy-duty truck use 3.

Installation and Compatibility

Proper installation of the Cummins 3979489 Oil Pan is crucial for its effective operation. It is designed to be compatible with specific Cummins engine models, ensuring a precise fit and function within the engine system. Installation procedures should follow manufacturer guidelines to maintain the integrity of the oil pan and the engine system 3.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3979489 Oil Pan is important for its longevity and performance. This includes routine inspections for signs of wear or damage, cleaning to remove any accumulated debris, and checking for proper oil levels. Common issues such as oil leaks or pan damage should be addressed promptly to prevent further engine complications 3.

Performance and Efficiency

The Cummins 3979489 Oil Pan contributes to the overall performance and efficiency of the engine by ensuring consistent oil pressure and temperature regulation. Its design and capacity support the engine’s lubrication needs, which is vital for reducing friction, minimizing wear, and enhancing engine longevity 2.

Cummins Company Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a strong reputation in the automotive industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction, particularly in the production of diesel engines and components designed for heavy-duty applications 3.

Cummins Engine Oil Pan 3979489 Compatibility

The Cummins engine part 3979489, an Oil Pan, is designed to fit a range of Cummins engines, ensuring a secure and efficient oil containment system. This part is compatible with several models, including:

  • QSB6.7 CM2250
  • QSB6.7 CM2350 B105
  • QSB6.7 CM850 (CM2850)
  • QSB7 CM2880 B117

Each of these engines relies on the Oil Pan 3979489 to provide a reliable and durable solution for oil containment, contributing to the overall performance and longevity of the engine 3.

Understanding the Role of Part 3979489 Oil Pan in Engine Systems

Part 3979489, an oil pan, is a fundamental component in the lubrication system of an engine. Its primary function is to store engine oil, which is essential for the lubrication of moving parts within the engine 2.

Interaction with Engine Components

  1. Oil Pickup Tube: The oil pan houses the oil pickup tube, which draws oil from the pan and sends it through the oil pump. This ensures a continuous supply of lubricant to critical engine components 2.

  2. Oil Pump: Positioned at the bottom of the engine, the oil pan allows the oil pump to efficiently draw oil. The pump then pressurizes the oil, distributing it throughout the engine 2.

  3. Oil Filter: The oil pan facilitates the flow of oil to the oil filter, where contaminants are removed before the oil is circulated back into the engine 2.

  4. Main Bearings: Lubricated oil from the pan flows to the main bearings, reducing friction and wear between the crankshaft and the engine block 2.

  5. Connecting Rod Bearings: Oil from the pan also reaches the connecting rod bearings, ensuring smooth operation of the pistons 2.

  6. Camshaft and Valve Train: Adequate oil supply from the pan is vital for lubricating the camshaft and valve train components, enhancing their durability and performance 2.

  7. Crankshaft: The oil pan ensures that the crankshaft receives a steady supply of oil, which is essential for its rotation and the overall functioning of the engine 2.

Importance in the Lubrication System

The oil pan plays a significant role in maintaining the lubrication system’s efficiency. It ensures that all moving parts within the engine receive the necessary lubrication to operate smoothly and prolong the engine’s lifespan 2.

Conclusion

By understanding the interactions between part 3979489 and other engine components, engineers and mechanics can better appreciate the importance of this component in ensuring the engine’s optimal performance and longevity 3.


  1. Automotive Mechatronics Operational and Practical Issues Volume 1, BT Fijalkowski, Springer, 2011

  2. Generalized Vehicle Dynamics, Daniel Williams, SAE International, 2022

  3. Diesel Technology Fundamentals Service Repair Eighth Edition, Andrew Norman, The Goodheart-Willcox Company Inc, 2016

SPECIFICATIONS

Weight
27.41 lbs
* 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.