110855
Fuel Pump Gasket
Cummins®

The Cummins Fuel Pump Gasket 110855 is a specialized component designed to ensure the efficient operation of heavy-duty trucks. This gasket plays a role in maintaining the integrity of the fuel system by providing a secure seal between the fuel pump and its housing. Its proper function is important for preventing fuel leaks and ensuring that the fuel delivery system operates efficiently.

Basic Concepts of Fuel Pump Gaskets

A fuel pump gasket is a sealing component used within the fuel system to create a tight seal between the fuel pump and its mounting surface. This seal is important for preventing fuel leaks, which can lead to inefficiencies and potential safety hazards. By maintaining a secure seal, the gasket contributes to the overall performance and reliability of the engine. It ensures that fuel is delivered consistently and without contamination, which is important for optimal engine operation ¹.

Purpose of the 110855 Fuel Pump Gasket

The 110855 Fuel Pump Gasket is specifically designed to seal the fuel pump in heavy-duty truck applications. Its primary function is to prevent fuel leaks by creating a barrier between the fuel pump and its housing. This seal is important for maintaining the pressure within the fuel system, ensuring that fuel is delivered efficiently to the engine. Additionally, the gasket helps to protect the fuel pump from contaminants that could otherwise enter the system and cause damage ².

Key Features

The 110855 Fuel Pump Gasket boasts several key features that enhance its performance and durability. It is constructed from high-quality materials that are resistant to fuel and other chemicals commonly found in the fuel system. The design specifications of the gasket ensure a precise fit, which is important for creating an effective seal. Additionally, the gasket may include unique attributes such as reinforced edges or specialized coatings to further improve its sealing capabilities and longevity ³.

Benefits

Using the 110855 Fuel Pump Gasket offers several benefits. It contributes to improved fuel system efficiency by ensuring a secure seal that prevents fuel leaks. This results in consistent fuel delivery, which is important for maintaining engine performance. Additionally, the gasket reduces the risk of fuel leaks, which can be hazardous and lead to inefficiencies. Enhanced engine performance is another benefit, as the consistent fuel delivery ensures that the engine operates smoothly and efficiently ⁴.

Installation Process

Proper installation of the 110855 Fuel Pump Gasket is important for ensuring its effectiveness. The process involves several steps: first, the fuel pump and its housing should be thoroughly cleaned to remove any debris or old gasket material. Next, the new gasket should be positioned correctly between the fuel pump and its housing. It is important to use the appropriate tools to secure the fuel pump in place, ensuring that the gasket is not damaged during installation. Careful attention to these steps will help ensure a secure and effective seal.

Troubleshooting Common Issues

Common issues associated with fuel pump gaskets include leaks and failure. If a leak is detected, it is important to inspect the gasket for signs of damage or wear. In some cases, the gasket may need to be replaced to resolve the issue. Failure of the gasket can also lead to inconsistent fuel delivery, which may manifest as engine performance issues. Regular inspections and maintenance can help identify and address these problems before they become more serious.

Maintenance Tips

To prolong the lifespan of the 110855 Fuel Pump Gasket, regular maintenance practices are recommended. This includes periodic inspections to check for signs of wear or damage. Cleaning the gasket and its surrounding areas can help prevent contamination that could lead to failure. Additionally, following the manufacturer’s guidelines for replacement intervals can ensure that the gasket remains in optimal condition. Proper maintenance will contribute to the overall reliability and performance of the fuel system.

Cummins Overview

Cummins Inc. is a renowned manufacturer with a long-standing reputation in the automotive industry. The company is known for its commitment to producing high-quality components for heavy-duty trucks. Cummins has a history of innovation and excellence, which is reflected in its wide range of products designed to meet the demanding requirements of commercial and industrial applications. The 110855 Fuel Pump Gasket is just one example of Cummins’ dedication to providing reliable and durable components for the automotive market.

Cummins Fuel Pump Gasket 110855 Compatibility

The Cummins Fuel Pump Gasket part number 110855 is designed to fit a variety of Cummins engines, ensuring a secure seal between the fuel pump and the engine block. This gasket is important for maintaining the integrity of the fuel system, preventing leaks, and ensuring optimal engine performance.

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

ISX Series Engines

• ISX CM570
• ISX CM870
• ISX CM871

K Series Engines

• K19
• K38
• K50

L10 Series Engines

• L10 CELECT
• L10 MECHANICAL

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

N14 Series Engines

• N14 CELECT
• N14 CELECT PLUS
• N14 MECHANICAL

NH/NT 855

QSK19 CM500

QSM11 Series Engines

• QSM11 CM570
• QSM11 CM876

QSN14 and QSNT14 Series Engines

• QSN14 CM876 N103
• QSNT14 CM876 N102

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Role of Part 110855 Fuel Pump Gasket in Engine Systems

The Part 110855 Fuel Pump Gasket is an important component in ensuring the integrity and efficiency of various fuel system assemblies within an engine. Its primary function is to create a secure seal between mating surfaces, preventing fuel leaks and maintaining system pressure. Here’s how it integrates with different engine components:

Fuel Pump Assemblies

• Fuel (Top Level Assembly) Pump: The gasket ensures a tight seal around the pump housing, preventing fuel from escaping and maintaining consistent fuel delivery to the engine.
• Fuel (Variable Speed) Pump: In variable speed applications, the gasket helps in sustaining the required pressure variations without leaks, important for optimal engine performance.
• Fuel and W-W Governor Pump: This setup often requires precise sealing to manage fuel flow and governor functions, where the gasket plays a key role.
• Fuel Gear Pump: The gasket seals the gear pump housing, ensuring that the gears operate within a sealed environment, thus enhancing efficiency and reliability.

Governor and Sump Systems

• FP & Gov. Sump: The gasket is used to seal the sump, which collects excess fuel and returns it to the system, ensuring no fuel is wasted and system pressure is maintained.
• Fuel Pump & Acc Drive: In accessory-driven fuel pumps, the gasket ensures that the drive mechanism is sealed, preventing fuel from contaminating other engine components.

Overhaul and Spare Kits

• Engine Overhaul Kit: Included in overhaul kits, the gasket is vital for reassembling the fuel pump system after maintenance, ensuring all components are sealed correctly.
• Gasket Spares Kit: Often part of spare kits, it provides a ready replacement for worn or damaged gaskets, maintaining system integrity over the engine’s lifespan.

Specific Pump Types

• Non AFC-Auto Fuel Pump: For automatic fuel pumps not using AFC technology, the gasket ensures that the automatic functions are sealed and operate efficiently.
• Fuel Pump & Drive (EFC): In electronically controlled fuel pumps, the gasket is important for maintaining the electronic components’ isolation from fuel, ensuring longevity and performance.

Additional Components

• Check Valve: The gasket may be used in conjunction with check valves to ensure they seal properly, preventing backflow and maintaining system pressure.
• Fuel Pump Housing and Gear Housing: These components rely on the gasket to create a sealed environment for the pump mechanisms, ensuring efficient fuel delivery.

Conclusion

In summary, the Part 110855 Fuel Pump Gasket is a fundamental component across various fuel system configurations, ensuring seals are maintained, pressures are consistent, and fuel systems operate efficiently within the engine. Proper installation, regular maintenance, and understanding its role in different engine systems are crucial for maximizing the performance and longevity of this Cummins part.