3629700
Oil Filler Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,399.95 $1,665.94

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

The Cummins 3629700 Oil Filler Tube is a component designed for use in commercial trucks, specifically within the engine’s lubrication system. This part is manufactured by Cummins Inc., a well-established name in the commercial truck industry known for producing reliable and high-performance diesel engines and components 2.

Purpose and Function

The Oil Filler Tube plays a role in the lubrication system of a truck engine by providing a pathway for adding oil to the engine. It is positioned to allow for easy access during routine maintenance, ensuring that the engine receives the necessary lubrication for optimal performance and longevity. The tube is designed to facilitate the addition of oil while minimizing the risk of spills and ensuring that the oil reaches the intended compartments within the engine 1.

Key Features

This Cummins part is constructed with durability and functionality in mind. It is made from high-quality materials that can withstand the harsh conditions present in a truck engine environment. The design includes features such as a secure fitting mechanism to prevent leaks and ensure a tight seal. Additionally, the tube may incorporate design elements that make it easier to use, such as a wide opening for quick oil addition and a smooth surface to prevent oil residue buildup.

Installation Process

Installing the 3629700 requires following a series of steps to ensure it is properly secured and functions as intended. The process involves preparing the engine compartment, aligning the tube with the designated fitting, and using the appropriate tools to tighten it into place. Best practices include checking for any obstructions before installation, ensuring all connections are secure, and verifying that there are no leaks after the installation is complete.

Benefits

Using the 3629700 Oil Filler Tube offers several advantages. Its durable construction ensures long-term reliability, reducing the need for frequent replacements. The design facilitates ease of use during oil changes, contributing to more efficient maintenance routines. Additionally, its compatibility with Cummins engines ensures that it meets the specific requirements and standards set by the manufacturer for optimal engine performance.

Maintenance and Care

Regular maintenance of the Oil Filler Tube is important to ensure its continued functionality and to prevent potential issues. This includes inspecting the tube for signs of wear or damage, cleaning it as necessary to remove any oil residue, and checking the fittings for tightness. If any wear or damage is detected, it may be necessary to consider replacement to maintain the integrity of the engine’s lubrication system.

Troubleshooting Common Issues

Common issues with the Oil Filler Tube can include leaks or blockages. Identifying the source of a leak may involve inspecting the tube and its connections for signs of damage or loose fittings. Blockages can often be resolved by cleaning the tube thoroughly. In cases where the tube is damaged or worn, replacement may be necessary to restore proper function.

Safety Considerations

When working with the Oil Filler Tube, it is important to follow safety practices to protect oneself and ensure the proper functioning of the engine. This includes allowing the engine to cool before attempting any maintenance to avoid burns from hot oil. Additionally, ensuring proper ventilation when working in the engine compartment can help dissipate any harmful fumes that may be present.

Cummins 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 history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the commercial truck industry. The company’s commitment to excellence is reflected in its products, including the 3629700, which is designed to meet the demanding requirements of commercial truck engines 2.

Application in Cummins Engines

The Oil Filler Tube 3629700 is compatible with several Cummins engine models. Here is an overview of its application across different engine groups:

  • K38 Series Engines: The Oil Filler Tube 3629700 is specifically engineered to fit seamlessly within the K38 series engines. These engines are known for their robust design and efficiency, often used in heavy-duty applications. The tube’s precise fit ensures that oil can be added without leaks, maintaining the engine’s lubrication integrity.

  • Other Cummins Engines: While the primary focus is on the K38 series, the Oil Filler Tube 3629700 may also be applicable to other Cummins engines. Its design is versatile enough to accommodate various engine configurations, providing a reliable solution for oil replenishment across different models.

Importance in Engine Maintenance

Maintaining the correct oil level is crucial for engine performance and longevity. The Oil Filler Tube 3629700 plays a pivotal role in this process by:

  • Ensuring Accurate Oil Addition: The tube’s design allows for precise oil measurement, preventing overfilling or underfilling.
  • Preventing Leaks: A well-fitted Oil Filler Tube minimizes the risk of oil leaks, which can lead to engine damage and environmental hazards.
  • Facilitating Regular Maintenance: Easy access for oil addition makes routine maintenance more straightforward, helping to keep the engine running smoothly.

By integrating the Oil Filler Tube 3629700 into the engine’s design, Cummins ensures that users can efficiently manage their engine’s oil levels, contributing to overall engine health and performance.

Role of Part 3629700 Oil Filler Tube in Engine Systems

The 3629700 is an essential component in the arrangement of various engine systems, facilitating the efficient operation and maintenance of these systems.

In the oil fill system, the Oil Filler Tube serves as the primary conduit for adding oil to the engine. It ensures that oil is introduced into the system in a controlled manner, preventing spills and ensuring that the oil reaches the intended components without contamination.

Within the fill and breather crank system, the Oil Filler Tube plays a dual role. It not only allows for the addition of oil but also interacts with the breather system to manage pressure and release any built-up gases from the crankcase. This interaction helps maintain a stable environment within the crankcase, enhancing the engine’s performance and longevity.

The integration of the Oil Filler Tube with these systems underscores its importance in maintaining the overall health and efficiency of the engine. Its design and placement are optimized to support the seamless operation of the oil fill and fill and breather crank systems, ensuring that the engine operates within its specified parameters.

Conclusion

The Cummins 3629700 Oil Filler Tube is a vital component in the maintenance and operation of commercial truck engines. Its design, compatibility with various Cummins engine models, and role in the engine’s lubrication system highlight its importance in ensuring engine performance and longevity. Regular maintenance and proper installation are key to maximizing the benefits of this part, contributing to the overall efficiency and reliability of the engine.


  1. Dictionary of Mechanical Engineering, D. K. Singh, Springer Nature, 2024

  2. Heavy Duty Truck Systems, Fifth Edition, Sean Bennett, Ian Andrew Norman, Delmar Cengage Learning, 2011

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
36.0 x 22.0 x 13.0 in
Weight
0.97 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.