4983936
Glow Plug
Cummins®

Introduction

The Cummins 4983936 Glow Plug is engineered to facilitate the starting of diesel engines, especially in cold conditions. It ensures efficient engine operation from ignition by providing necessary heat to the combustion chamber, enabling diesel fuel to ignite more readily ¹.

Basic Concepts of Glow Plugs

Glow plugs are electrical heating devices used in diesel engines to assist with starting the engine. They heat the combustion chamber to a temperature that allows diesel fuel to ignite more easily. This process involves an electric current passing through a heating element within the glow plug, generating heat essential for diesel combustion, particularly in cold weather ¹.

Purpose of the Cummins 4983936 Glow Plug

This Cummins part provides the necessary heat to the combustion chamber during cold starts, aiding in the efficient ignition of diesel fuel. It reduces the time required for the engine to reach operating temperature, contributes to smoother engine performance, and reduces emissions by ensuring complete combustion of the fuel ¹.

Key Features

The 4983936 Glow Plug is characterized by its robust design and construction from high-quality materials, enhancing its performance and durability. It features a heating element encased in a durable housing, designed to withstand the high temperatures and pressures within the engine’s combustion chamber ¹.

Benefits

Using this Cummins part offers several advantages. It improves cold start capabilities, allowing engines to start more easily in low temperatures. It also contributes to enhanced fuel efficiency by ensuring optimal combustion conditions and aids in reducing emissions by promoting complete fuel burn, which is beneficial for environmental compliance and engine longevity ¹.

Installation and Usage

For the proper installation of the 4983936 Glow Plug, it is important to follow manufacturer guidelines. Correct installation ensures optimal performance and longevity of the component. It involves securely fitting the glow plug into the engine’s combustion chamber and ensuring electrical connections are properly made ¹.

Troubleshooting and Maintenance

Common issues with glow plugs include failure to heat adequately or electrical faults. Diagnosing these issues may involve checking the electrical connections and testing the glow plug’s resistance. Regular maintenance, such as cleaning the glow plug and checking for wear, can help ensure its efficiency and longevity. It is also recommended to replace glow plugs according to the manufacturer’s schedule or when signs of failure are observed ¹.

Performance in Various Conditions

The 4983936 Glow Plug is designed to perform reliably under a range of environmental conditions, including extreme cold and high altitude. Its efficiency and reliability in diverse operating scenarios contribute to consistent engine performance and start-up reliability ¹.

About Cummins

Cummins Inc. is a leader in the design, manufacture, and distribution of diesel and natural gas engines, as well as related technologies. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company is committed to advancing diesel engine technology, ensuring their components meet the highest standards of performance and reliability ².

Cummins Glow Plug 4983936 Compatibility

The Cummins Glow Plug part number 4983936 is designed to fit seamlessly within a variety of Cummins engine models. This glow plug is engineered to provide reliable ignition assistance in cold start conditions, ensuring efficient engine startup across multiple applications.

B3.3 Engine Series

For the B3.3 engine series, the glow plug 4983936 is a critical component. It is specifically designed to work with the unique combustion chamber and ignition requirements of the B3.3 engines. The glow plug’s placement and design ensure optimal heat generation and distribution, facilitating smooth and efficient engine startups, even in challenging weather conditions.

Grouping of Compatible Engines

While the B3.3 series is a notable example, the glow plug 4983936 is also compatible with other Cummins engine models that share similar design and operational characteristics. This compatibility extends to engines that require robust glow plug performance for reliable cold starts. The glow plug’s design and materials ensure it meets the stringent demands of these engines, providing consistent performance and longevity.

Installation and Performance

The installation of the glow plug 4983936 in Cummins engines is straightforward, thanks to its standardized design. This ease of installation allows for quick and efficient maintenance, minimizing downtime. The glow plug’s performance is characterized by its ability to generate sufficient heat to ignite the fuel mixture in the combustion chamber, ensuring the engine starts reliably and efficiently.

Role of Part 4983936 Glow Plug in Engine Systems

The part 4983936 glow plug is a component in diesel engine systems, particularly in cold-start scenarios. It works in conjunction with several other components to ensure efficient engine operation.

Interaction with Air Heater Starting System

In diesel engines equipped with an air heater starting system, the glow plug 4983936 plays a significant role. The air heater system preheats the intake air, which is then directed into the combustion chamber. The glow plug, when activated, further raises the temperature of the combustion chamber. This synergy between the air heater and the glow plug ensures that the air-fuel mixture reaches the optimal temperature for ignition, facilitating a smooth start even in cold conditions.

Contribution to Aid Systems

Glow plugs like part 4983936 are often integrated into aid systems designed to enhance engine performance during startup. These aid systems may include various sensors and control units that monitor engine conditions and activate the glow plug as needed. The glow plug’s ability to provide instantaneous heat makes it an invaluable component in these systems, ensuring that the engine starts reliably under a variety of conditions.

Overall Engine System Integration

In a broader context, the glow plug 4983936 is part of a comprehensive engine system that includes fuel injectors, the engine control unit (ECU), and various sensors. The ECU monitors engine temperature and other parameters to determine when the glow plug should be activated. Once engaged, the glow plug heats the combustion chamber, allowing for efficient fuel combustion and reducing the strain on the engine during startup. This integrated approach ensures that the engine operates smoothly and efficiently from the moment it is started.

Conclusion

The Cummins 4983936 Glow Plug is a vital component for diesel engines, particularly in cold-start scenarios. Its robust design, compatibility with various Cummins engine models, and integration into engine systems highlight its importance in ensuring efficient and reliable engine operation. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.