Suitable Replacement Stihl MS 290 Spark Plug
The spark plug is a device for delivering an electric current from the ignition coil to the combustion chamber to ignite the compressed fuel and air mixture. The Stihl MS 290 spark plug has a threaded metal shell and a porcelain shell with a electrode in the center and a ground electrode.
The high voltage from the ignition coil travels through an insulated spark plug wire to the terminal on top of the spark plug, then travels down the electrode threw the porcelain insulator to the ground electrode which is connected to the metal bottom body of the spark plug and is screwed into the cylinder.
Spark plugs can either have a metal gasket to seal the spark plug to the cylinder or a taper spark plug to seal the spark plug to the cylinder. The heat from the Stihl MS 290 spark plug is dissipated to the cylinder to help keep the spark plug cool.
When a tune up is done on a chain saw be sure to replace the Stihl MS 290 spark plug for top performance and use the correct spark plug per manufactures recommendations for your chain saw and gap the spark plug to the proper gap per the chain saws manufactures recommendations if necessary.
Important Notice - We are not affiliated with any chainsaw manufacturers and we do not attempt to make any affiliations with them. Any manufacturer logos, model names and numbers are the sole property of their respective owners and are used here for the sole purpose of reference. We do not sell OEM chainsaw parts for any brand. We do however, offer high quality suitable replacement parts guaranteed to meet or beat OEM part specifications like our suitable replacement Chainsaw Stihl MS 290 Spark Plug that we offer for sale for you to buy and put into their brand of chainsaws.