5581556
Ignition Coil Extension
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$489.95 $583.04

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

Understanding the Cummins Ignition Coil Extension Part #5581556

Introduction to Ignition Coil Extensions

Ignition coil extensions are vital components in the ignition systems of commercial trucks and heavy-duty vehicles. They serve as a critical link between the ignition coil and the spark plugs, ensuring the efficient transfer of electrical energy required to ignite the air-fuel mixture in the engine’s cylinders 1.

Basic Concepts of Ignition Coil Extensions

An ignition coil extension is essentially a high-voltage wire that connects the ignition coil to the spark plugs. Its primary function is to transmit the high-voltage electrical current generated by the ignition coil to the spark plugs, where it creates a spark to ignite the fuel in the engine’s combustion chamber. This process is fundamental to the engine’s operation, ensuring efficient fuel combustion and providing the necessary power to drive the vehicle 2.

Purpose of the Cummins Ignition Coil Extension Part #5581556

The Cummins Ignition Coil Extension Part #5581556 is specifically engineered for use in Cummins engines. This component ensures that the high-voltage current is accurately and efficiently transmitted from the ignition coil to the spark plugs. This precision is vital for maintaining optimal engine performance, fuel efficiency, and longevity 3.

Role in Truck Operations

In commercial trucks and heavy-duty vehicles, the ignition coil extension is integral to the engine’s operation. It ensures that the spark plugs receive the necessary electrical energy to ignite the fuel mixture consistently and reliably. This is particularly important for trucks that operate under heavy loads and demanding conditions, where consistent engine performance is critical.

Compatibility with Cummins Engines

The Ignition Coil Extension part 5581556 by Cummins is designed to be compatible with several of the company’s engine models. This part is crucial for ensuring the proper functioning of the ignition system in these engines.

  • ISX12 G Engine: The Ignition Coil Extension 5581556 is engineered to fit seamlessly, providing a reliable connection between the ignition coil and the spark plug. This ensures efficient spark delivery, which is vital for the engine’s performance and longevity.
  • CM2180 Engine: The part 5581556 is tailored to integrate with the engine’s ignition system. Its design allows for a secure and stable connection, which is essential for maintaining optimal ignition timing and preventing misfires.
  • EJ Engine: The Ignition Coil Extension 5581556 is also a perfect match. It is specifically crafted to fit the EJ engine’s ignition architecture, ensuring that the spark plugs receive the necessary electrical impulses for consistent engine operation.

Overall, the Ignition Coil Extension 5581556 by Cummins is a versatile component that enhances the ignition system’s reliability across these engine models.

Role of Part 5581556 Ignition Coil Extension in the Ignition System

The part 5581556 Ignition Coil Extension is an essential component within the ignition system, facilitating the efficient transfer of high-voltage electricity from the ignition coil to the spark plugs. This extension ensures that the spark plugs receive the necessary voltage to ignite the air-fuel mixture within the combustion chamber, thereby enabling the engine to operate smoothly.

In the ignition system, the ignition coil generates a high voltage by stepping up the battery’s low voltage through electromagnetic induction. The Ignition Coil Extension then conveys this high voltage to the distributor or directly to the spark plugs, depending on the engine’s configuration.

For engines equipped with a distributor, the extension connects the ignition coil to the distributor cap. The distributor then routes the high voltage to the appropriate spark plug via the rotor and spark plug wires, synchronizing the ignition timing with the engine’s piston movement.

In distributorless ignition systems (DIS), the Ignition Coil Extension may connect directly to individual coil-on-plug (COP) assemblies. Here, each spark plug has its dedicated ignition coil, and the extension ensures a secure and reliable connection, minimizing voltage loss and enhancing ignition efficiency.

Overall, the part 5581556 Ignition Coil Extension plays a significant role in maintaining the integrity and performance of the ignition system, ensuring consistent and reliable engine operation.

Troubleshooting and Maintenance

Proper maintenance and timely troubleshooting of the ignition coil extension are essential to prevent engine performance issues and ensure the longevity of the ignition system. Here are some key points to consider:

  1. Regular Inspection: Periodically inspect the ignition coil extension for signs of wear, such as cracks, fraying, or corrosion. Any damage can lead to electrical arcing and reduced performance.

  2. Cleaning: Keep the ignition coil extension clean and free from dirt and debris. Contamination can affect the electrical conductivity and lead to misfires.

  3. Proper Installation: Ensure that the ignition coil extension is correctly installed and securely attached to both the ignition coil and the spark plugs. Loose connections can cause intermittent electrical issues.

  4. Testing: Use a multimeter to test the electrical resistance of the ignition coil extension. A reading that is significantly higher or lower than the specified value may indicate a faulty component.

Cummins: A Leader in Engine Technology

Cummins is a renowned manufacturer of engines and related components for commercial trucks and heavy-duty vehicles. With a legacy of innovation and reliability, Cummins engines are designed to deliver exceptional performance and durability. The Cummins Ignition Coil Extension Part #5581556 is a testament to the company’s commitment to quality and precision engineering.

Expert Insights

Understanding the intricacies of ignition coil extensions and their role in engine operation is crucial for engineers, mechanics, and fleet operators. Proper maintenance and troubleshooting can prevent costly downtime and ensure that the engine operates at peak efficiency. By adhering to best practices and leveraging the expertise of manufacturers like Cummins, professionals in the industry can maintain the reliability and performance of their vehicles.

Conclusion

This comprehensive guide aims to provide valuable insights into the Cummins Ignition Coil Extension Part #5581556, equipping readers with the knowledge they need to maintain and troubleshoot their ignition systems effectively.


  1. Ling, Frederick F. The Automotive Body. Springer Science + Business Media BV, 2011.

  2. Jazar, Reza N. Vehicle Dynamics Theory and Application.

  3. Heavy Duty Trucks Maintenance Manual. Daimler Trucks North America LLC.

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SPECIFICATIONS

Package Dimensions
10.5 x 1.45 x 1.45 in
Weight
0.28 lbs
* 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.
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