3072819
Injector Spring Housing Spacer
Cummins®

The Injector Spring Housing Spacer, identified by part number 3072819, is a component manufactured by Cummins, a leading provider of diesel engines and related technologies. This spacer is integral to the fuel injection system of diesel engines, ensuring precise fuel delivery and efficient engine operation. Cummins, known for its robust and reliable engine components, designs this spacer to meet the demanding requirements of heavy-duty applications.

Function and Operation

The Injector Spring Housing Spacer operates within the fuel injection system by maintaining the correct spacing between the injector and the spring. This spacing is crucial for the proper functioning of the injector, as it ensures that the injector can move freely within its housing. The spacer interacts with other components such as the injector nozzle and the return spring, facilitating smooth operation and consistent fuel delivery. By providing a stable platform, the spacer helps in the accurate metering of fuel, which is injected into the combustion chamber ¹.

Purpose and Role

The Injector Spring Housing Spacer plays a specific role in the operation of a truck’s diesel engine by ensuring that the injector components are properly aligned and spaced. This alignment contributes to fuel efficiency by allowing for precise fuel atomization and delivery. Additionally, the spacer helps in maintaining engine performance by ensuring that the injector operates within its designed parameters, reducing the likelihood of misfires and incomplete combustion ².

Key Features

The primary features of the Injector Spring Housing Spacer include its durable material composition, typically made from high-strength alloys to withstand the harsh conditions within a diesel engine. The design attributes of the spacer, such as its precise dimensions and smooth surface finish, enhance its functionality by providing a reliable interface between the injector and the spring. These features contribute to the overall robustness and longevity of the fuel injection system ³.

Benefits

The Injector Spring Housing Spacer offers several advantages, including improved fuel atomization due to its role in maintaining injector alignment. Consistent fuel delivery is another benefit, as the spacer ensures that the injector operates within its specified parameters. Additionally, the use of a high-quality spacer can contribute to increased engine longevity and reliability by reducing wear and tear on injector components and promoting efficient combustion ⁴.

Installation and Compatibility

Proper installation of the Injector Spring Housing Spacer involves ensuring that it is correctly positioned between the injector and the spring. Specific requirements may include torque specifications for securing the spacer in place and verifying that all mating surfaces are clean and free of debris. Compatibility with various engine models and configurations should be confirmed to ensure optimal performance. Detailed installation guidelines provided by Cummins can assist in this process .

Troubleshooting and Maintenance

Common issues associated with the Injector Spring Housing Spacer may include wear or damage to the spacer, which can affect injector performance. Diagnostic procedures involve inspecting the spacer for signs of wear, ensuring proper alignment, and verifying that it is securely installed. Maintenance tips include regular inspection of the spacer during routine engine servicing and replacing it if any signs of damage or wear are detected. Proper maintenance can help ensure the continued efficient operation of the fuel injection system .

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance engines and components. The company’s extensive product range includes diesel and natural gas engines, as well as related technologies such as fuel systems and aftermarket parts, all designed to meet the needs of various industries and applications.

Compatibility of Injector Spring Housing Spacer Part 3072819 with Cummins Engines

The Injector Spring Housing Spacer part 3072819, manufactured by Cummins, is designed to fit a variety of their engine models. This component plays a crucial role in maintaining the integrity and performance of the engine’s injector system. Here is a detailed look at its compatibility across different engine series:

ISM Series

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

The ISM series engines, particularly those with CM570, CM876, and CM570/870 configurations, are known for their robust design and reliability in heavy-duty applications. The injector spring housing spacer part 3072819 is integral to these engines, ensuring that the injectors are properly aligned and secured within the cylinder head.

L10 and M11 Series

• L10 CELECT
• M11 CELECT
• M11 CELECT PLUS

The L10 and M11 series engines, including the CELECT and CELECT PLUS variants, are engineered for high performance and efficiency. The injector spring housing spacer part 3072819 is compatible with these engines, providing the necessary support and stability for the injector components.

N14 Series

• N14 CELECT PLUS

The N14 CELECT PLUS engine is another high-performance model where the injector spring housing spacer part 3072819 is essential. This part ensures that the injectors operate smoothly and reliably, contributing to the engine’s overall efficiency and longevity.

QSM11 and QSN14 Series

• QSM11 CM570
• QSM11 CM876
• QSN14 CM876 N103
• QSNT14 CM876 N102

The QSM11 and QSN14 series engines, with their CM570, CM876, and N103/N102 configurations, are designed for demanding applications. The injector spring housing spacer part 3072819 is a critical component in these engines, ensuring that the injectors are properly housed and maintained, which is vital for optimal engine performance.

Role of Part 3072819 Injector Spring Housing Spacer in Engine Systems

The Injector Spring Housing Spacer (part 3072819) is an integral component in the orchestration of fuel injection systems within modern engines. Its primary function is to maintain the precise alignment and spacing between the injector and the spring housing, ensuring optimal performance and reliability of the fuel injection process.

Interaction with the Injector

The spacer is positioned between the injector and the spring housing. This arrangement allows for fine-tuning the distance, which is essential for the injector to operate within its specified parameters. Proper spacing ensures that the injector can open and close at the correct times, delivering fuel into the combustion chamber with accuracy.

Relationship with the Cylinder Head

Mounted on the cylinder head, the injector spring housing spacer contributes to the overall integrity of the fuel injection system. The cylinder head houses the injectors, and the spacer helps in securing them in place while allowing for thermal expansion and contraction, which are common in high-temperature environments.

Coordination with the Camshaft and Engine Piston Kit

In engines where the camshaft controls the timing of fuel injection (common in direct injection systems), the Injector Spring Housing Spacer plays a supporting role. It ensures that the injectors are ready to deliver fuel at the precise moment dictated by the camshaft’s rotation. This timing is crucial for synchronizing fuel delivery with the engine piston kit’s movement, optimizing combustion efficiency and power output.

Impact on Connecting Rod and Piston

The efficient operation of the injector, facilitated by the spacer, directly influences the performance of the connecting rod and piston. Proper fuel delivery ensures that the air-fuel mixture is optimal, leading to more controlled and powerful combustion. This, in turn, translates to smoother operation of the connecting rod and piston, reducing wear and enhancing engine longevity.

Contribution to Overall Engine Performance

Incorporating the Injector Spring Housing Spacer into the engine’s fuel injection system is a testament to the attention to detail required in modern engine design. It underscores the importance of each component working in harmony to achieve peak performance. The spacer, though small, plays a significant role in ensuring that the injectors function correctly, contributing to the engine’s overall efficiency, power, and reliability.

Conclusion

The Injector Spring Housing Spacer part 3072819 is a critical component in the fuel injection system of Cummins diesel engines. Its role in maintaining precise alignment and spacing between the injector and the spring housing is essential for optimal engine performance. The spacer’s durable construction, precise dimensions, and smooth surface finish contribute to the overall robustness and longevity of the fuel injection system. Proper installation, regular maintenance, and compatibility with various engine models ensure that this Cummins part continues to deliver consistent fuel delivery and efficient engine operation.