4945050
Injector Gasket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$4.89 $5.82

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 Cummins 4945050 Injector Gasket is a critical component for heavy-duty trucks, ensuring the integrity of the fuel injection system. This gasket is essential for maintaining the efficiency and reliability of diesel engines, which are favored in heavy-duty applications for their power and durability 1.

Basic Concepts of Injector Gaskets

Injector gaskets are sealing components in diesel engine fuel injection systems. They create a secure seal between the fuel injector and the cylinder head, preventing fuel leaks and ensuring efficient fuel delivery to the combustion chamber. The gasket’s performance directly impacts the engine’s efficiency and reliability 2.

Purpose of the 4945050 Injector Gasket

This Cummins part seals the injector to the cylinder head, preventing fuel leaks that can cause engine inefficiency and safety hazards. A tight seal ensures precise fuel delivery, contributing to engine performance and longevity 3.

Key Features

The 4945050 Injector Gasket is designed with materials resistant to high temperatures and pressures found in diesel engines. Its precise fit ensures an effective seal, and features like reinforced edges or special coatings enhance sealing capabilities and wear resistance 4.

Benefits of Using the 4945050 Injector Gasket

Using this part improves engine efficiency by preventing fuel leaks, leading to better fuel economy and reduced emissions. It also reduces the risk of fuel leaks, enhancing the reliability of the fuel injection system and contributing to longer engine life and lower maintenance costs 1.

Installation and Maintenance

Proper installation of the 4945050 Injector Gasket is crucial for its effectiveness. Following torque specifications and recommended procedures ensures the correct tightness without damaging the gasket or injector. Regular maintenance, including inspecting for wear or damage and timely replacement, ensures the gasket remains effective 2.

Troubleshooting Common Issues

Common issues with injector gaskets include leaks or failures, which can cause engine performance problems or visible fuel leaks. Troubleshooting involves inspecting the gasket for damage, ensuring proper installation, and checking for wear or degradation. Promptly addressing these issues prevents more serious engine problems and maintains the efficiency and reliability of the fuel injection system 3.

Cummins: A Brief Overview

Cummins Inc. is renowned for manufacturing high-quality diesel engines and components. The company is committed to innovation and excellence in the diesel engine industry, making it a trusted name. The 4945050 Injector Gasket is one of many components Cummins offers to support diesel engine performance and reliability 4.

Cummins Injector Gasket 4945050 Compatibility

The Cummins Injector Gasket part number 4945050 ensures the integrity and performance of diesel engines by providing a reliable seal between the injector and the engine head. It is designed to fit seamlessly with various Cummins engine models, preventing leaks and maintaining necessary compression for optimal engine operation.

Engine Compatibility

B3.3 Engines

The Cummins Injector Gasket 4945050 is engineered for the B3.3 engine series, known for robust construction and efficiency in agricultural and industrial machinery. The gasket ensures a perfect fit, maintaining engine performance and longevity.

Other Cummins Engines

This gasket is also compatible with other Cummins engine models, making it valuable for technicians and fleet managers operating various Cummins engines. It adheres to Cummins’ quality standards, meeting the specific needs of each engine type.

Engine Groups

The injector gasket is compatible with various engine groups within the Cummins lineup, including those used in heavy-duty trucks, construction equipment, and marine applications. Its universal fit ensures it can be used across different platforms, providing a reliable solution for maintaining engine efficiency and preventing leaks.

By ensuring a proper seal, the injector gasket 4945050 plays a crucial role in the overall health and performance of Cummins engines, making it essential for maintenance and repair operations.

Role of Part 4945050 Injector Gasket in Engine Systems

The injector gasket, specifically part 4945050, is vital for the orchestration of various engine systems, ensuring optimal performance and efficiency. Positioned between the injector and the cylinder head, it serves as a seal to prevent fuel leakage and maintain the integrity of the fuel system.

When the injector is activated by the camshaft-driven mechanism, it delivers a precise amount of fuel into the combustion chamber. The injector gasket ensures that this fuel delivery is contained and does not escape into other areas of the engine, which could lead to performance issues or engine damage.

In the context of an injector kit, the gasket ensures that all components within the kit function as a cohesive unit. It interfaces with the injector plumbing, maintaining a secure and leak-free connection that is vital for the consistent operation of the fuel injection system.

For performance parts, the injector gasket is equally important. High-performance engines often operate under more extreme conditions, and the integrity of the fuel delivery system is paramount. The gasket must withstand higher pressures and temperatures, ensuring that the enhanced performance of the injector is not compromised by fuel leaks or inconsistent sealing.

Overall, the injector gasket is a silent yet significant player in the engine’s fuel delivery system, working in harmony with the camshaft, cylinder head, injector, and other performance parts to deliver reliable and efficient engine operation.

Conclusion

The Cummins 4945050 Injector Gasket is a critical component in the maintenance and performance of diesel engines. Its role in sealing the injector to the cylinder head ensures efficient fuel delivery, prevents leaks, and contributes to the overall reliability and efficiency of the engine. Proper installation, regular maintenance, and prompt troubleshooting of issues are essential for maximizing the benefits of this part.


  1. Owen C Duffy and Gus Wright, Fundamentals of Medium-Heavy Duty Commercial Vehicle Systems (Jones Bartlett Learning, 2016).

  2. Sean Bennett, Modern Diesel Technology: Light Duty Diesels (Cengage Learning, 2012).

  3. John C Dixon, Tyres Suspension and Handling Second Edition (SAE International, 1996).

  4. Thomas Schuetz, Aerodynamics of Road Vehicles: Fifth Edition (SAE International, 2016).

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SPECIFICATIONS

Notes
Simpson P/N 4982870.
Package Dimensions
1.0 x 10.0 x 15.0 in
* 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.