200284
Filler Cap
Cummins®

Introduction

The Cummins 200284 Filler Cap is a component designed for use in commercial truck operations. Its role is to provide a secure and efficient means of refueling the vehicle, ensuring that the fuel system operates correctly and safely. The significance of this part lies in its contribution to the overall efficiency and reliability of the truck’s fuel system, which is vital for the performance and longevity of the vehicle ¹.

Purpose and Function

The 200284 Filler Cap serves as the entry point for fuel into the vehicle’s fuel tank. It is designed to create a seal that prevents fuel vapors from escaping into the atmosphere, thereby contributing to emissions control. Additionally, it protects the fuel system from contaminants and moisture that could otherwise compromise the quality of the fuel and the efficiency of the engine ².

Key Features

The Cummins 200284 Filler Cap is constructed from durable materials that are resistant to the corrosive effects of fuel and the environmental conditions typically encountered in commercial truck operations. Its design includes features such as a gasket for a tight seal, a venting system to allow for the expansion of fuel, and a cap that can be easily opened and closed by the operator. These elements combine to enhance the performance and durability of the filler cap ³.

Benefits

Using the Cummins 200284 Filler Cap offers several advantages. It contributes to the integrity of the fuel system by providing a secure seal that prevents leaks and contamination. The design of the cap also facilitates ease of use, allowing for quick and convenient refueling. Furthermore, it is compatible with Cummins engines, ensuring a proper fit and function within the fuel system ⁴.

Installation Process

To install the 200284 Filler Cap, first ensure that the fuel tank is clean and free of debris. Align the cap with the filler neck and twist it clockwise until it is securely in place. It is important to ensure that the cap is properly seated to maintain the seal and prevent fuel vapors from escaping. Refer to the vehicle’s service manual for any specific torque specifications or additional installation requirements ⁵.

Maintenance Tips

To prolong the lifespan of the 200284 Filler Cap, it is recommended to perform routine maintenance. This includes regularly inspecting the cap for signs of wear or damage, cleaning it to remove any buildup of dirt or grime, and replacing the gasket if it becomes worn or compromised. Following these practices will help maintain the cap’s effectiveness and contribute to the overall reliability of the fuel system ⁶.

Troubleshooting Common Issues

Common problems with the 200284 Filler Cap may include difficulty in opening or closing the cap, fuel leaks, or a loose fit. If the cap is difficult to open, ensure that it is not over-tightened and try loosening it slightly. For fuel leaks, inspect the cap and gasket for damage and replace as necessary. A loose fit may indicate that the cap or filler neck is damaged and should be examined by a professional ⁷.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product offerings include a wide range of engines and components that are known for their performance, reliability, and efficiency ⁸.

Engine Compatibility

The Cummins part 200284, a filler cap, is designed to fit a variety of Cummins engines. This filler cap is a critical component for maintaining the integrity of the engine’s fuel or coolant systems, ensuring that these systems remain sealed and free from contaminants.

G-Series Engines

• G8.3
• G8.3 CM558
• GTA8.3 CM558

L-Series Engines

• L9.3 L105

N-Series Engines

• N14 CELECT PLUS
• N14 MECHANICAL

QSC-Series Engines

• QSC8.3 CM554
• QSC8.3 CM850 (CM2850)
• QSC9 CM2250/QSL9 CM2250

QSL-Series Engines

• QSL8.9 CM2150 L141
• QSL9 CM2250
• QSL9 CM2350 L102
• QSL9 CM554
• QSL9 CM850 (CM2850)
• QSL9 G CM558
• QSL9.3 CM2880 L113

QSX-Series Engines

• QSX15 CM2250 ECF
• QSX15 CM2350 X105

ISC and ISL Engines

• ISC CM554
• ISL CM554

NH/NT Series Engines

• NH/NT 855

The Cummins part 200284 filler cap is a versatile and essential component, designed to fit a wide range of Cummins engines. Its precise fit and reliable seal ensure that these engines’ systems remain protected and uncontaminated, contributing to their overall performance and longevity ⁹.

Role of Part 200284 Filler Cap in Engine Systems

The Part 200284 Filler Cap is an integral component within the engine system, facilitating the seamless operation of several key elements. Its primary function is to seal the oil fill tube, ensuring that the oil fill assembly remains contaminant-free. This is essential for maintaining the integrity of the oil, which lubricates various moving parts within the cylinder block.

In conjunction with the filler breather, the Filler Cap allows for the release of pressure that builds up within the oil fill arrangement. This breather system is vital for preventing oil spillage and ensuring that the oil gauge tube provides accurate readings. The Filler Cap also interacts with the filler-breather location, optimizing the ventilation process within the engine cover.

Furthermore, the Filler Cap is designed to work in harmony with the filler option settings, providing flexibility in how the oil is introduced into the system. This interaction ensures that the oil fill process is efficient and that the engine receives the necessary lubrication without interruption.

Overall, the Part 200284 Filler Cap plays a significant role in maintaining the operational efficiency of the engine by ensuring proper oil management and system ventilation ¹⁰.

Conclusion

The Cummins 200284 Filler Cap is a vital component in the operation and maintenance of commercial truck fuel systems. Its design and features contribute to the efficiency, reliability, and safety of the fuel system, ensuring that the vehicle operates at optimal performance levels. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.