4982869
Injector Barrel Spacer
Cummins®

Injector Barrel Spacers are components used in diesel engines to ensure the proper functioning of the fuel injection system. These spacers play a role in maintaining the correct distance between the injector and the cylinder head, which is vital for optimal fuel delivery and combustion. Cummins, a renowned manufacturer in the automotive industry, offers the 4982869 Injector Barrel Spacers, designed specifically for heavy-duty truck applications ¹.

Function and Operation

Injector Barrel Spacers operate within the fuel injection system by providing the necessary spacing between the injector and the cylinder head. This spacing is crucial for maintaining the integrity of the fuel delivery system, ensuring that fuel is injected into the combustion chamber at the correct time and in the right amount. By doing so, Injector Barrel Spacers contribute to efficient combustion, which is fundamental for the overall performance and efficiency of diesel engines ².

Purpose of 4982869 Injector Barrel Spacers

The 4982869 Injector Barrel Spacers by Cummins are engineered to enhance the operation of heavy-duty trucks. These spacers play a role in maintaining the precise alignment and spacing required for the fuel injectors, which directly impacts engine performance and reliability. By ensuring that fuel is delivered efficiently, these spacers contribute to the smooth operation and longevity of the engine ¹.

Key Features

The 4982869 Injector Barrel Spacers are characterized by their robust material composition and precise design specifications. Made from high-quality materials, these spacers are designed to withstand the harsh conditions of heavy-duty truck engines. Their unique attributes include a precise fit and durable construction, which enhance their functionality and reliability in demanding applications ¹.

Benefits

The advantages offered by the 4982869 Injector Barrel Spacers include improved fuel efficiency, reduced emissions, and enhanced engine longevity. By ensuring efficient fuel delivery and combustion, these spacers contribute to the overall performance of heavy-duty trucks. Additionally, their durable construction and precise design help maintain engine reliability over time, offering long-term benefits for truck operators ¹.

Troubleshooting and Maintenance

Common issues associated with Injector Barrel Spacers may include wear and tear, misalignment, or damage due to extreme conditions. Diagnostic procedures for these issues involve inspecting the spacers for signs of wear, ensuring proper alignment, and checking for any physical damage. Maintenance practices to ensure optimal performance include regular inspection, cleaning, and replacement of worn-out spacers. Following these practices helps maintain the efficiency and reliability of the fuel injection system in heavy-duty trucks ².

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history and a strong reputation in the automotive industry, Cummins is committed to manufacturing high-quality components that meet the demanding requirements of heavy-duty applications. Their dedication to innovation and quality ensures that their products, including the 4982869 Injector Barrel Spacers, deliver reliable performance and durability in various engine systems ¹.

Cummins Injector Barrel Spacers for B3.3 Engines

The Injector Barrel Spacers, part number 4982869, manufactured by Cummins, are integral components in the B3.3 engine series. These spacers play a crucial role in maintaining the precise alignment and spacing between the injector barrels, ensuring optimal fuel injection and engine performance.

In the B3.3 engine, the injector barrel spacers are designed to fit snugly between the injector barrels, providing the necessary clearance and support. This ensures that the injectors operate correctly, delivering fuel in a controlled and efficient manner. The spacers are engineered to withstand the high pressures and temperatures within the engine, contributing to the engine’s overall durability and reliability.

The use of these spacers in the B3.3 engine is critical for maintaining the engine’s performance and longevity. By ensuring that the injector barrels are correctly spaced, the spacers help to prevent issues such as uneven fuel distribution, which can lead to engine inefficiencies and potential damage.

In summary, the injector barrel spacers for the B3.3 engine are a vital component, ensuring that the injectors function correctly and the engine operates smoothly. Their precise design and high-quality construction make them an essential part of the engine’s maintenance and performance ¹.

Understanding the Role of Injector Barrel Spacers in Engine Systems

Injector Barrel Spacers, specifically part 4982869, are integral components in the assembly and operation of modern engine systems. These spacers are designed to fit precisely between the injector barrel and the cylinder head, ensuring optimal performance and efficiency.

Integration with Engine Components

1. Cylinder Head Assembly: The Injector Barrel Spacer part 4982869 is positioned between the cylinder head and the injector barrel. This placement is essential for maintaining the correct spacing and alignment, which directly influences the fuel injection process.

2. Fuel Injectors: When installed, the spacer ensures that the fuel injectors are held at the proper distance from the combustion chamber. This precise spacing is vital for the accurate delivery of fuel, which is a key factor in engine performance.

3. Combustion Chamber: The spacer contributes to the integrity of the combustion chamber by ensuring that the injector barrel is correctly positioned. This alignment is necessary for consistent fuel spray patterns, which enhance combustion efficiency.

4. Engine Performance Parts: In high-performance engine builds, the Injector Barrel Spacer part 4982869 plays a significant role. It allows for fine-tuning of the fuel delivery system, which can lead to improvements in power output and fuel economy.

5. Sealing and Gaskets: The spacer also interacts with various sealing components and gaskets within the engine. Proper installation of the spacer ensures that these seals function correctly, preventing leaks and maintaining engine integrity.

6. Turbocharging Systems: In turbocharged engines, the Injector Barrel Spacer part 4982869 helps manage the increased fuel demands. By ensuring precise fuel delivery, the spacer supports the enhanced performance characteristics of turbocharged engines.

7. Engine Management Systems: Modern engines often feature advanced engine management systems that rely on precise fuel injection timing and quantity. The Injector Barrel Spacer part 4982869 contributes to this precision, allowing the engine management system to operate efficiently.

In summary, the Injector Barrel Spacer part 4982869 is a fundamental component in the intricate network of an engine’s fuel delivery system. Its proper installation and function are essential for achieving optimal engine performance and reliability ¹.

Conclusion

The 4982869 Injector Barrel Spacers by Cummins are critical components in the fuel injection systems of heavy-duty diesel engines. Their role in maintaining the correct spacing and alignment between the injector and the cylinder head ensures efficient fuel delivery and combustion, contributing to the overall performance, reliability, and longevity of the engine. Proper maintenance and timely replacement of these spacers are essential for sustaining engine efficiency and preventing potential issues related to fuel distribution and engine operation ¹².