5517764
Filler Cap
Cummins®

Introduction

The Cummins 5517764 Filler Cap is a component designed for use in commercial trucks. Its purpose is to provide a secure and efficient means of refueling the vehicle. This part plays a role in maintaining the integrity of the fuel system and ensuring safe and convenient refueling operations ¹.

Basic Concepts of Filler Caps

A filler cap is a device used to seal the opening of a fuel tank after refueling. Its general function is to prevent fuel spillage, contamination, and evaporation. In the context of a truck’s systems, the filler cap also helps maintain pressure within the fuel tank, which is important for the proper operation of the fuel system ².

Purpose of the Cummins 5517764 Filler Cap

The Cummins 5517764 Filler Cap is specifically designed to fit certain models of commercial trucks. It plays a role in the fuel system by providing a tight seal that prevents fuel leaks and contamination. Additionally, it facilitates easy and secure refueling, which is important for the efficient operation of commercial vehicles ³.

Key Features

The Cummins 5517764 Filler Cap is constructed from durable materials that are resistant to wear and corrosion. Its design includes features such as a locking mechanism to ensure a secure fit and a venting system to allow for safe pressure release during refueling. These attributes contribute to the cap’s performance and longevity ⁴.

Benefits

The Cummins 5517764 Filler Cap offers several benefits. It enhances the integrity of the fuel system by providing a reliable seal. Its design allows for ease of use during refueling, reducing the risk of spills. Furthermore, the cap’s durable construction ensures long-term reliability, minimizing the need for frequent replacements.

Installation Process

To install the Cummins 5517764 Filler Cap, first ensure the fuel tank opening is clean and free of debris. Align the cap with the tank opening and turn it clockwise until it locks into place. Use the appropriate tools to ensure a secure fit without over-tightening, which could damage the cap or the tank opening.

Troubleshooting Common Issues

Common problems with filler caps include leaks and difficulty in opening. If a leak is detected, inspect the cap for damage or misalignment and replace if necessary. Difficulty in opening may be due to debris or corrosion; cleaning the cap and tank opening can often resolve this issue.

Maintenance Tips

To maintain the Cummins 5517764 Filler Cap, regularly inspect it for signs of wear or damage. Clean the cap and tank opening to prevent buildup that could interfere with its operation. If the cap shows significant wear or fails to seal properly, consider replacement to maintain the integrity of the fuel system.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a broad product range, Cummins is well-regarded in the commercial truck industry for its quality and reliability.

Cummins Engine Filler Cap 5517764 Compatibility

The Cummins part number 5517764, which is a Filler Cap, is designed to fit a variety of Cummins engines. This filler cap is a component for maintaining the integrity of the engine’s cooling system by preventing contaminants from entering and ensuring proper coolant levels are maintained.

Compatible Engines

• F3.8 CM2350
• F128C
• QSB6.7 CM2350 B105
• QSF3.8 CM2350 F107
• QSL9 CM2350 L102
• QSX15 CM2350 X105

Grouping of Compatible Engines

The engines listed above can be grouped based on their model series and specifications. For instance:

• F3.8 Series:

  • F3.8 CM2350
  • QSF3.8 CM2350 F107

• QSB Series:

  • QSB6.7 CM2350 B105

• QSX Series:

  • QSX15 CM2350 X105

• QSL Series:

  • QSL9 CM2350 L102

• F128C

Each of these engines, despite their different specifications and applications, share a commonality in the design of their filler cap system, making the part 5517764 universally compatible across these models. This compatibility ensures that users can easily replace or maintain their filler caps without worrying about model-specific variations.

Conclusion

The Cummins 5517764 Filler Cap is an essential component for commercial trucks, providing a secure and efficient means of refueling. Its durable construction, key features, and compatibility with various Cummins engines make it a reliable choice for maintaining the integrity of the fuel system. Regular maintenance and proper installation are crucial for ensuring the long-term performance and safety of this Cummins part.