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Looking for JCB parts? Contact our team to buy any part you need. From our warehouses in Sheffield, UK, we specialise in delivering JCB spare parts worldwide. To browse our online database, visit the Parts Catalogue.

Engine Pistons

Category: Engines
Published on 06 May 2017
Last Updated: 27 May 2017

About the Engine Pistons

The pistons are connected directly to the crank. However, "piston" is a general term for its constituent parts, which are the piston head, piston rings, and the connecting rod (con rod). The piston rings are comprised of an oil control ring and two compression rings, which fit into a groove on top of the piston head. Together they form an air-tight seal within the confinement of the cylinder. The head connects with the con rod, thus forming what is recognized as a whole piston; and the con rod is connected to the crankshaft by a big end bearing, and shell. The purpose of the piston is to ascend up into the cylinder and compress the newly fuel-injected air against the cylinder head until combustion. The force of the combustion pushes the piston down and the crank gyrates it back around again; on it goes like so.

JCB Engine Pistons

Below you will find a list of all the JCB pistons that are listed in our online database. We are still building our database, and are able to obtain many pistons now listed here. Please contact our team to find the JCB piston you are looking for.

Further Information

You can find more information about JCB engines on the following pages of our site:

  • Parts Selection: JCB Engines
    A selection from our online parts database, of all complete engines and short engines that it contains.
  • Parts Directory: Engines Category
    The engine parts section of our online parts database, featuring all engine parts that are currently listed.
  • Parts Compendium: Engines
    The engines section of our parts compendium, which you are currently browsing, includes many other pages that may be of interest.

Update History

This article has been updated as follows:

  • 6 May 2017
    Initial article with general information about pistons
  • 26 May 2017
    Added section listing all of the JCB pistons currently listed in our online database
  • 27 May 2017
    Added "Further Information" section detailing where on the site other information about JCB engines can be found