3331821
Fuel Pump Gasket
Cummins®

IN STOCK

Cummins®

More than 10 are currently available

Ships within 1 business day

$27.95 $33.26

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

The Fuel Pump Gasket 3331821 by Cummins is a component designed for use in commercial trucks. Its purpose is to ensure a secure seal within the fuel system, which is vital for the efficient operation of the vehicle. This gasket plays a role in maintaining the integrity of the fuel delivery system by preventing leaks and ensuring that fuel is delivered consistently to the engine 1.

Basic Concepts of Fuel Pump Gaskets

A fuel pump gasket is a sealing component used in the fuel system of a vehicle. Its primary function is to create a tight seal between the fuel pump and the fuel tank or fuel lines. This seal is crucial for maintaining the pressure within the fuel system and preventing fuel leaks 2. In the context of a truck’s fuel delivery system, the gasket ensures that fuel is delivered efficiently from the tank to the engine, without any loss due to leakage.

Purpose of the 3331821 Fuel Pump Gasket

The 3331821 Fuel Pump Gasket is specifically designed to play a role in the operation of commercial trucks by maintaining the integrity of the fuel system. It ensures that the fuel delivery system remains sealed, which is important for efficient fuel delivery and engine performance. By providing a reliable seal, this gasket helps in maintaining consistent fuel pressure and preventing fuel leaks, which can lead to engine performance issues and safety hazards 3.

Key Features

The 3331821 Fuel Pump Gasket is characterized by several key features that enhance its performance and durability. These include its material composition, which is designed to withstand the pressures and temperatures within the fuel system, and its design specifications, which ensure a precise fit and effective seal. Additionally, any unique attributes of this gasket, such as resistance to fuel degradation or enhanced sealing capabilities, contribute to its overall effectiveness in the fuel system 4.

Benefits of Using the 3331821 Fuel Pump Gasket

Using the 3331821 Fuel Pump Gasket offers several advantages. It contributes to improved fuel efficiency by ensuring that the fuel system remains sealed, which prevents fuel loss. Additionally, it reduces the risk of fuel leaks, which can be hazardous and lead to engine performance issues. The enhanced reliability of the fuel system provided by this gasket ensures that the truck operates efficiently and safely.

Troubleshooting and Maintenance

Common issues with fuel pump gaskets may include leaks or failure to seal properly. Troubleshooting these issues involves checking for signs of wear or damage to the gasket and ensuring that it is correctly installed. Maintenance practices for the 3331821 Fuel Pump Gasket include regular inspection for signs of wear and timely replacement to ensure optimal performance and longevity of the fuel system.

Installation Considerations

When installing the 3331821 Fuel Pump Gasket, it is important to consider several factors to ensure proper functionality. These include adhering to the recommended torque specifications for tightening components, following alignment procedures to ensure a proper fit, and verifying compatibility with other fuel system components. Proper installation is key to the effective operation of the fuel pump gasket and the overall fuel system.

Cummins Overview

Cummins Inc. is a well-established company in the automotive industry, known for its high-quality components and engines. With a history of innovation and commitment to excellence, Cummins has built a reputation for producing reliable and durable automotive parts. The company’s dedication to quality is evident in its range of products, including the 3331821 Fuel Pump Gasket, which is designed to meet the demanding requirements of commercial truck applications.

Cummins Fuel Pump Gasket 3331821 Compatibility

The Cummins Fuel Pump Gasket part number 3331821 is designed to fit seamlessly with several of Cummins’ engine models. This gasket is crucial for ensuring a tight seal between the fuel pump and its housing, preventing fuel leaks and maintaining optimal engine performance.

QSK45 CM500 and QSK60 CM500

The QSK45 CM500 and QSK60 CM500 engines are part of Cummins’ QSK series, which are known for their robust design and reliability in various applications. The Fuel Pump Gasket 3331821 is engineered to fit these engines perfectly, ensuring that the fuel pump operates efficiently without any leaks. This gasket is designed to withstand the high pressures and temperatures typical of these engines, providing a durable and reliable seal.

QSK60G

The QSK60G engine is another variant in the QSK series that benefits from the use of the Cummins Fuel Pump Gasket 3331821. This gasket is specifically designed to fit the unique configuration of the QSK60G, ensuring a precise and secure fit. Its durability and resistance to fuel degradation make it an ideal choice for maintaining the integrity of the fuel system in this engine.

QSK78 CM500

The QSK78 CM500 engine, part of the larger QSK series, also requires the Cummins Fuel Pump Gasket 3331821 for optimal performance. This gasket is engineered to fit the specific dimensions and requirements of the QSK78 CM500, ensuring a reliable seal that prevents fuel leaks and maintains the efficiency of the fuel system. Its compatibility with this engine ensures that the fuel pump operates smoothly, contributing to the overall reliability and performance of the engine.

By using the Cummins Fuel Pump Gasket 3331821, owners of these engines can be assured of a secure and leak-free fuel system, enhancing the longevity and efficiency of their engines.

Role of Part 3331821 Fuel Pump Gasket in Engine Systems

The part 3331821 Fuel Pump Gasket is an essential component in ensuring the efficient and safe operation of various engine systems. Its primary function is to create a secure seal between the fuel pump and the engine block or fuel tank, preventing fuel leaks and maintaining the integrity of the fuel system.

Integration with Fuel Pump

The Fuel Pump Gasket fits snugly between the fuel pump and the mounting surface, whether it is the engine block or the fuel tank. This seal is vital for maintaining the pressure within the fuel system, ensuring that fuel is delivered consistently to the engine’s combustion chambers.

Relationship with Lower Engine Gasket Set and Lower Fuel Gasket Set

When installed as part of a Lower Engine Gasket Set or a Lower Fuel Gasket Set, the Fuel Pump Gasket works in concert with other gaskets to create a comprehensive sealing solution. This setup is particularly important in high-performance engines where precision and reliability are paramount. The gasket helps in preventing any cross-contamination between the fuel system and the engine’s lubrication system.

Role in Fuel System Design

In the design of the fuel system, the Fuel Pump Gasket is a key element that contributes to the overall efficiency and reliability. Engineers must consider the material and thickness of the gasket to ensure it can withstand the pressures and temperatures within the fuel system.

Alternative Applications

Beyond its primary use, the Fuel Pump Gasket can also be employed in alternative fuel systems, such as those using ethanol or biodiesel. Its compatibility with various fuels makes it a versatile component in modern engine designs.

Coupling with Other Components

The gasket also plays a role in the coupling mechanism of the fuel pump. Ensuring a tight seal prevents any fuel from escaping around the pump’s mounting points, which could lead to inefficient fuel delivery and potential safety hazards.

Summary of Component Interaction

In summary, the Part 3331821 Fuel Pump Gasket is a fundamental component that interacts with the fuel pump, lower engine gasket set, and lower fuel gasket set to maintain the integrity of the fuel system. Its proper installation and condition are essential for the efficient and safe operation of the engine.

Conclusion

The 3331821 Fuel Pump Gasket by Cummins is a critical component for the efficient and safe operation of commercial truck engines. Its role in maintaining a secure seal within the fuel system ensures consistent fuel delivery and prevents leaks, contributing to overall engine performance and safety. Proper installation, regular maintenance, and timely replacement of this gasket are essential practices for ensuring the longevity and reliability of the fuel system.


  1. Sheng, G. (2012). Vehicle Noise, Vibration and Sound Quality. SAE International.

  2. Garrett, T.K., Newton, K., & Steeds, W. (2001). The Motor Vehicle. Reed Educational and Professional Publishing Ltd.

  3. Sander, F. (2007). Diesel Mechanics, First Edition. Global Media.

  4. Dempsey, P. (2008). Troubleshooting and Repairing Diesel Engines. McGraw-Hill.

SPECIFICATIONS

Service Part Topic
03T19-30
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
13.3 x 13.0 x 0.1 in
Weight
0.008 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.