3969525
Oil Pan
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,399.95 $1,665.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 3969525 Engine Oil Sump is a component designed to serve a pivotal role in the operation of heavy-duty trucks. Its purpose is to store engine oil, which is vital for the lubrication and cooling of engine components. The significance of this part lies in its contribution to maintaining the engine’s efficiency and longevity, ensuring that the truck operates smoothly under demanding conditions.

Basic Concepts of Engine Oil Sumps

An engine oil sump is a reservoir that holds the engine oil, which is circulated throughout the engine to lubricate moving parts, reduce friction, and dissipate heat 1. The oil sump plays a role in the engine system by ensuring a consistent supply of oil to critical components, thereby maintaining engine performance and protecting against wear and damage. The importance of oil sumps in maintaining engine lubrication and performance cannot be overstated, as they are fundamental to the engine’s operation.

Purpose of the Cummins 3969525 Engine Oil Sump

The Cummins 3969525 Engine Oil Sump is specifically designed to enhance the operation of heavy-duty trucks. It contributes to engine efficiency by providing a reliable storage solution for engine oil, which is essential for the lubrication of engine components. This part also plays a role in prolonging engine life by ensuring that the oil is readily available for circulation, thus reducing the risk of engine damage due to insufficient lubrication.

Key Features

The Cummins 3969525 Engine Oil Sump boasts several key features that enhance its performance. Its design incorporates robust materials that are resistant to corrosion and wear, ensuring durability in harsh operating environments. The sump is engineered to maximize oil storage capacity while maintaining a compact form factor, which is crucial for fitting within the constrained spaces of heavy-duty truck engines. Additionally, it features precise oil drainage channels that facilitate efficient oil circulation and reduce the likelihood of oil starvation during operation.

Benefits

Utilizing the Cummins 3969525 Engine Oil Sump offers several advantages. It provides improved engine lubrication, which is vital for reducing friction and wear on engine components 2. The enhanced durability of the sump contributes to the overall reliability of the engine, potentially leading to cost savings over time by reducing the frequency of maintenance and repairs. Furthermore, the efficient design of the sump supports optimal engine performance, which is critical for the demanding applications of heavy-duty trucks.

Installation Process

Installing the Cummins 3969525 Engine Oil Sump involves several steps to ensure proper fitting and function. Preparatory steps include ensuring the engine bay is clean and free of debris. The necessary tools for installation may include wrenches, gasket sealant, and a torque wrench. The installation process begins with removing the old sump, if present, and cleaning the mounting surface. The new sump is then positioned and secured with the appropriate fasteners, ensuring that all connections are tight and sealed. It is important to follow the manufacturer’s guidelines for torque specifications to avoid over-tightening, which could damage the sump or its connections.

Maintenance and Care

Regular maintenance and care of the Cummins 3969525 Engine Oil Sump are vital for ensuring its longevity and performance. This includes periodic cleaning to remove any accumulated debris or sludge, which can affect oil flow and engine performance. Inspection tips involve checking for signs of wear, corrosion, or damage to the sump and its connections. Identifying wear and tear early can prevent more significant issues down the line, such as oil leaks or reduced engine efficiency.

Troubleshooting Common Issues

Common issues with the Cummins 3969525 Engine Oil Sump may include oil leaks, reduced oil capacity, or contamination of the oil. Symptoms to watch for include unusual engine noises, decreased engine performance, or visible oil leaks around the sump area. Potential causes of these issues can range from improper installation to wear and tear over time. Recommended solutions involve inspecting the sump and its connections for damage, ensuring that all seals are intact and properly seated, and addressing any leaks promptly to prevent further damage to the engine.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its wide range of engine components and systems. The company has a history of innovation and quality, with a strong reputation for producing reliable and high-performance engine parts. Cummins’ commitment to quality is evident in its rigorous testing and quality control processes, ensuring that its products meet the demanding requirements of heavy-duty applications. The Cummins 3969525 Engine Oil Sump is a testament to the company’s dedication to providing durable and efficient engine components.

Compatibility with Cummins Engines

The 3969525 oil sump is specifically designed to integrate with the following Cummins engine models:

  • B6.7S: This engine model is part of the Cummins B Series, known for its robust performance and reliability in heavy-duty applications. The oil sump for the B6.7S is tailored to fit the unique design and requirements of this engine, ensuring optimal oil flow and pressure.

The design of the 3969525 oil sump ensures that it can effectively manage the oil volume and maintain the necessary pressure levels for the engine’s lubrication system. This part is crucial for preventing engine wear and maintaining the longevity of the engine components.

Role of Part 3969525 Engine Oil Sump in Engine Systems

The part 3969525 Engine Oil Sump is an integral component in the efficient operation of engine systems, specifically interacting with the oil pan and oil management system.

Interaction with the Oil Pan

The oil pan, a fundamental part of the engine’s lubrication system, serves as a reservoir for engine oil. The Engine Oil Sump, part 3969525, is designed to fit within this oil pan, optimizing the collection and storage of oil. This fitting ensures that the oil pan maintains an adequate oil level, which is essential for the consistent lubrication of engine components.

Oil Management System

In the oil management system, the Engine Oil Sump plays a significant role by ensuring that the oil is readily available for the oil pump. The sump’s design allows for efficient oil drainage back into the pan after lubrication cycles, facilitating a continuous supply of oil to critical engine parts. This consistent oil flow is vital for reducing friction and wear on moving components, thereby enhancing the engine’s longevity and performance.

Enhanced Lubrication Efficiency

By fitting securely within the oil pan, the Engine Oil Sump contributes to enhanced lubrication efficiency. It ensures that the oil is evenly distributed and that there is minimal oil starvation in any part of the engine. This consistent lubrication is key to maintaining engine health and preventing premature wear.

Cooling and Cleaning Functions

Additionally, the Engine Oil Sump aids in the cooling and cleaning functions of the oil. As oil circulates through the engine, it absorbs heat from various components. The sump helps in dissipating this heat back into the oil pan, contributing to the overall cooling efficiency of the engine. Furthermore, the sump assists in keeping the oil clean by allowing contaminants to settle at the bottom, away from the circulating oil, thus maintaining oil quality and engine performance.

Conclusion

The Cummins 3969525 Engine Oil Sump is a critical component for the efficient operation of heavy-duty trucks. Its design and features contribute to enhanced engine lubrication, durability, and performance. Proper installation, maintenance, and troubleshooting are essential for maximizing the benefits of this part and ensuring the longevity and reliability of the engine.


  1. Heywood, J. (2019). Internal Combustion Engine Fundamentals. McGraw-Hill Education.

  2. Harrison, M. (2004). Controlling Noise and Vibration in Road Vehicles. SAE International.

SPECIFICATIONS

Package Dimensions
93.0 x 36.0 x 59.0 in
Weight
15 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.