4089977
Piston Kit
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$319.95 $380.74

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

Introduction To Piston Kits

A piston kit is a critical component in the internal combustion engine of commercial trucks. It comprises a set of parts that work in concert to convert the energy from fuel combustion into mechanical power. The Cummins 4089977 Piston Kit is specifically engineered for heavy-duty engines, ensuring both durability and efficiency 1.

Components Of The Cummins 4089977 Piston Kit

The Cummins 4089977 Piston Kit includes several essential components:

  • Pistons: These are the primary moving parts within the engine cylinder. They move up and down, driven by the force of the fuel explosion, to generate power 2.
  • Piston Rings: These rings seal the gap between the piston and the cylinder wall, ensuring that the combustion gases remain within the cylinder during the power stroke.
  • Connecting Rod: This rod connects the piston to the crankshaft, translating the linear motion of the piston into rotational motion of the crankshaft.
  • Bearings: These are used to reduce friction between the moving parts, ensuring smooth operation and longevity of the engine.

Purpose Of The Cummins 4089977 Piston Kit

The Cummins 4089977 Piston Kit plays a vital role in the operation of a truck engine. It ensures that the engine runs smoothly and efficiently, providing the necessary power for the vehicle to operate. The kit’s components work together to convert the energy from the fuel into mechanical power, which is then used to drive the truck.

Troubleshooting And Maintenance

Proper maintenance of the Cummins 4089977 Piston Kit is essential for the longevity and performance of the engine. Here are some tips for troubleshooting and maintenance:

  • Regular Inspection: Regularly inspect the pistons and piston rings for signs of wear or damage. Look for scoring, cracks, or excessive wear on the piston skirts and rings.
  • Oil Changes: Regularly changing the engine oil is crucial to keep the pistons and other moving parts lubricated. Use the recommended oil grade and change it according to the manufacturer’s specifications.
  • Cooling System Maintenance: Ensure that the engine’s cooling system is functioning properly. Overheating can cause damage to the pistons and other engine components.
  • Fuel Quality: Use high-quality fuel to prevent deposits and carbon buildup on the pistons and rings. Poor-quality fuel can lead to engine performance issues and increased wear on the piston kit.

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 history of innovation and reliability, Cummins engines are trusted by fleet operators worldwide. The Cummins 4089977 Piston Kit is a testament to Cummins’ commitment to providing high-quality, durable, and efficient engine components.

Conclusion

The Cummins 4089977 Piston Kit is an essential component in the operation of commercial truck engines. Understanding its components, purpose, and maintenance requirements is crucial for ensuring the longevity and performance of the engine. By following proper maintenance practices and using high-quality parts like the Cummins 4089977 Piston Kit, fleet operators can ensure their trucks run smoothly and efficiently.


  1. Karsten Berns, Klaus Dressler, Patrick Fleischmann, Daniel Grges, Ralf Kalmar, Bernd Sauer, Nicole Stephan, Roman Teutsch, Martin Thul. Proceedings of the 5th Commercial Vehicle Technology Symposium CVT. Springer, 2018.

  2. Willard W. Pulkrabek. Engineering Fundamentals of the Internal Combustion Engine. Pearson Education, 2014.

SPECIFICATIONS

Notes
1.00 mm Oversize
Package Dimensions
5.0 x 5.125 x 4.88 in
Weight
3.1 lb

BILL OF MATERIALS

Name Quantity Part Number
Retaining Ring
Piston Ring Set
* 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.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.