C6204118610
Filler Cap
Cummins®

DISCONTINUED

Cummins®

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 to Cummins C6204118610 Filler Cap

The Cummins C6204118610 filler cap is a critical component in the operation of commercial trucks and heavy-duty vehicles. This part serves as a protective cover for the engine’s oil fill port, ensuring that the engine oil remains clean and at the proper level. Understanding the role and maintenance of this component is essential for engineers, mechanics, truck drivers, and fleet operators to ensure the longevity and efficiency of their vehicles 1.

Basic Concepts of a Filler Cap

A filler cap, also known as an oil fill cap, is a small but vital part of an engine’s lubrication system. Its primary function is to seal the oil fill port, preventing contaminants such as dirt, dust, and moisture from entering the engine oil. This cap also helps maintain the correct oil pressure within the engine, which is crucial for the proper functioning of the engine’s moving parts 2.

Purpose and Role of the C6204118610 Filler Cap

The Cummins C6204118610 filler cap is specifically designed for use in Cummins engines, which are renowned for their reliability and performance in commercial and heavy-duty applications. This filler cap ensures that the engine oil remains uncontaminated, which is essential for maintaining the engine’s efficiency and extending its lifespan. By preventing contaminants from entering the oil, the filler cap helps reduce wear and tear on engine components, ultimately leading to lower maintenance costs and improved performance 3.

Troubleshooting and Maintenance of the C6204118610 Filler Cap

Regular inspection and maintenance of the filler cap are crucial to ensure its proper functioning. Here are some troubleshooting and maintenance tips:

  1. Visual Inspection: Regularly inspect the filler cap for signs of wear, damage, or leaks. If the cap is cracked, deformed, or shows signs of leakage, it should be replaced immediately to prevent oil contamination 4.

  2. Cleaning: Keep the filler cap clean and free of debris. Any dirt or contaminants on the cap can potentially enter the oil system, leading to engine damage.

  3. Proper Installation: Ensure that the filler cap is correctly installed and tightened to the manufacturer’s specifications. An improperly installed cap can lead to oil leaks and contamination.

  4. Replacement: If the filler cap is damaged or no longer seals properly, it should be replaced with a genuine Cummins part to maintain the integrity of the engine’s lubrication system.

Compatibility of Cummins Part C6204118610 Filler Cap with Engine Models

The Cummins part C6204118610 Filler Cap is designed to fit seamlessly with a range of engine models, ensuring optimal performance and ease of maintenance. This filler cap is specifically engineered to meet the requirements of the B3.3, QSB3.3 CM2150, and QSB3.3 CM2250 EC engines.

For the B3.3 engine, the C6204118610 Filler Cap is a critical component that ensures the engine’s fuel system remains sealed and protected. Its design allows for easy access during refueling, while maintaining a secure fit that prevents leaks and contamination.

In the case of the QSB3.3 CM2150 and QSB3.3 CM2250 EC engines, the C6204118610 Filler Cap serves the same essential function. These engines, known for their reliability and efficiency, benefit from the precise fit and robust construction of this filler cap. It ensures that the fuel system remains airtight, which is crucial for maintaining engine performance and longevity.

Overall, the C6204118610 Filler Cap is a versatile and essential part that is compatible with the B3.3, QSB3.3 CM2150, and QSB3.3 CM2250 EC engines, providing a reliable solution for maintaining the integrity of the fuel system.

Role of Part C6204118610 Filler Cap in Engine Systems

The part C6204118610 Filler Cap is an essential component in the oil fill arrangement of various engine systems. Its primary function is to provide a secure and sealed point of entry for adding oil to the engine. This ensures that the oil level is maintained at the optimal level for efficient engine operation.

Integration with Oil Fill Arrangement

In the oil fill arrangement, the C6204118610 Filler Cap is designed to fit snugly onto the valve cover. This arrangement allows for easy access during oil changes or top-ups while preventing any oil leaks that could lead to contamination or loss of lubrication. The cap is typically equipped with a gasket or O-ring to ensure a tight seal, which is vital for maintaining the integrity of the oil system.

Interaction with Valve Cover

The valve cover, which houses the valve train components, requires regular maintenance, including oil changes. The C6204118610 Filler Cap is positioned on top of the valve cover, allowing mechanics to add oil without disturbing the internal components. This setup simplifies the process of maintaining proper oil levels, which is essential for the longevity and performance of the engine.

Operational Benefits

By securely fitting onto the valve cover, the C6204118610 Filler Cap plays a significant role in the overall efficiency of the oil fill arrangement. It ensures that the oil addition process is straightforward and minimizes the risk of spills or leaks. This not only enhances the convenience of maintenance procedures but also contributes to a cleaner and safer working environment.

Conclusion

Understanding the Cummins C6204118610 filler cap’s role, maintenance, and compatibility with various engine models is crucial for ensuring the optimal performance and longevity of commercial and heavy-duty vehicles. Regular inspection, proper cleaning, and correct installation of this part are essential practices that professionals should adhere to. By maintaining the integrity of the engine’s lubrication system, fleet operators and mechanics can significantly reduce maintenance costs and enhance engine efficiency.


  1. Nunney, M.J. (2007). Light and Heavy Vehicle Technology, Fourth Edition. Butterworth-Heinemann.

  2. Hilgers, M. (2023). Fuel Consumption and Consumption Optimization, Second Edition. Springer Nature.

  3. Livesey, A. (2000). The Repair of Vehicle Bodies. Elevier.

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

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SPECIFICATIONS

Notes
B3.3 Liter
Package Dimensions
6.5 x 5.25 x 0.6667 in
Weight
0.11 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.