5264181
Injector Fuel Supply Connector Retainer
Cummins®

Understanding the Cummins Injector Fuel Supply Connector Retainer (Part #5264181)

Introduction to the Cummins Injector Fuel Supply Connector Retainer

The Cummins Injector Fuel Supply Connector Retainer, identified by part number 5264181, is a critical component in the fuel injection system of commercial trucks. This part ensures the integrity and functionality of the fuel supply line, which is essential for the proper operation of the engine ¹.

Basic Concepts Related to the Injector Fuel Supply Connector Retainer

The injector fuel supply connector retainer is designed to secure the fuel supply line to the fuel injector. This connection must be airtight to prevent fuel leaks, which could lead to engine performance issues and safety hazards. The retainer typically consists of a clamp or a locking mechanism that holds the fuel line in place, ensuring a secure and stable connection ².

Purpose of the Injector Fuel Supply Connector Retainer

The primary purpose of the injector fuel supply connector retainer is to maintain a secure and leak-proof connection between the fuel supply line and the fuel injector. This is crucial for several reasons:

1. Fuel Efficiency: A secure connection ensures that the fuel is delivered to the injectors without any loss, which helps in maintaining optimal fuel efficiency.
2. Engine Performance: Proper fuel delivery is essential for consistent engine performance. Any leaks or disconnections can lead to engine misfires and reduced power output.
3. Safety: Preventing fuel leaks is critical for safety, as fuel spills can pose a fire hazard ³.

Role in the Operation of a Truck

In the context of a commercial truck, the injector fuel supply connector retainer plays a pivotal role in the overall operation of the vehicle. It ensures that the fuel injectors receive a steady and uninterrupted supply of fuel, which is necessary for the engine to run smoothly. This component is particularly important in heavy-duty trucks, where the engine demands a high volume of fuel to generate the power required for heavy loads and long-distance travel ⁴.

Troubleshooting and Maintenance

Proper maintenance of the injector fuel supply connector retainer is essential to prevent issues such as fuel leaks and engine performance problems. Here are some troubleshooting and maintenance tips:

1. Regular Inspections: Periodically inspect the retainer for signs of wear, corrosion, or damage. Look for cracks, leaks, or any looseness in the connection.
2. Cleaning: Keep the retainer clean and free from debris. Any contaminants can interfere with the secure connection of the fuel line.
3. Replacement: If the retainer is damaged or shows signs of wear, it should be replaced promptly. Using a worn-out retainer can lead to fuel leaks and engine issues.
4. Proper Installation: Ensure that the retainer is installed correctly according to the manufacturer’s specifications. Incorrect installation can compromise the integrity of the fuel supply line.

Information About Cummins

Cummins is a leading manufacturer of diesel engines and related components for commercial trucks and heavy-duty vehicles. Known for its high-quality and reliable products, Cummins has a strong reputation in the industry. The company invests heavily in research and development to ensure that its products meet the highest standards of performance and durability.

Compatibility with Cummins Engines

The Cummins Injector Fuel Supply Connector Retainer (Part 5264181) is compatible with a variety of Cummins engines, including:

B-Series Engines

• B5.6 CM2670 B152B
• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C

ISB Engines

• ISB (Chrysler)
• ISB CM2150
• ISB CM850
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B140
• ISB5.9 CM2880 B149
• ISB6.7 CM2250
• ISB6.7 CM2350 B101

ISBE Engines

• ISBE CM2150
• ISBE CM800
• ISBE4 CM850

ISC Engines

• ISC CM2150
• ISC CM850
• ISC8.3 CM2250

ISD Engines

• ISD4.5 CM2220 D108

ISL Engines

• ISL CM2150
• ISL9 CM2150 SN
• ISL9 CM2250

Role of the Injector Fuel Supply Connector Retainer in Engine Systems

The Injector Fuel Supply Connector Retainer, identified by part number 5264181, is an integral component in the orchestration of fuel delivery within engine systems. This Cummins part plays a significant role in securing the injector fuel supply plumbing to the injector, ensuring a stable and leak-free connection.

In the context of the cylinder head and fuel manifold, the retainer helps maintain the integrity of the fuel supply system by preventing disconnections that could lead to fuel leaks or inefficient fuel delivery. It works in conjunction with the injector plumbing to ensure that fuel is delivered consistently and under the correct pressure to each injector.

When considering the long block or long block kit, the retainer is a small but essential part that contributes to the overall performance and reliability of the engine. It ensures that the fuel supply to the injectors is secure, which is vital for the camshaft and connecting rod and piston assembly to operate efficiently.

In scenarios where an injector repair kit is utilized, the Injector Fuel Supply Connector Retainer is often a component that is inspected or replaced to ensure that the repaired injectors function correctly within the system. Its role becomes even more apparent in high-performance engines where precise fuel delivery is paramount.

The retainer is also a key player in the XPI JV components, where it helps to maintain the high-pressure fuel system’s integrity. It ensures that the fuel supply to the injectors is consistent, which is essential for the engine’s performance and longevity.

Conclusion

In summary, the Cummins Injector Fuel Supply Connector Retainer (Part 5264181) is a vital component that ensures the secure attachment of fuel supply lines to the injectors in a wide range of Cummins engines. Its compatibility with various B-Series, ISB, ISBE, ISC, ISD, and ISL engines underscores its importance in maintaining the performance and reliability of these engines across different applications. Proper maintenance and timely replacement of this part are essential to ensure the optimal operation of the fuel injection system and the overall efficiency and safety of the engine.