CS-4010 (C91315001001 - C91315999999) Echo Chainsaw - Overview

This a a genuine OEM replacement check valve for your small engine. It is also known as a fuel tank vent. You may need to replace this part if you are noticing debris or dirty oil in the reservoir. Make sure the engine is cool before you begin this repair, and remove the wire and boot from the spark plug to prevent the engine from starting up.

This flanged hex nut is a genuine OEM steel fastener specifically designed for use in chainsaws and chop saws, serving the purpose of securing various components in these outdoor power equipment devices. It features a flange base that acts as a built-in washer for extra stability and security. The hex nut has a diameter of 6mm, and its th...Read morereaded shaft has a pitch of 20, ensuring a secure and reliable connection. Over time, the bolt can be susceptible to corrosion, cracks, or worn threads, which may result in the loosening or detachment of the connected parts. Detectable signs of such issues include excessive noise, vibrations, and equipment instability. To address this, it is recommended to inspect all bolts within your equipment and replace any that are no longer functioning properly. To replace the bolt, simply use a wrench or socket to loosen and remove the old one, position the new bolt on the mounting surface, and securely tighten it until the flange is flush against the surface. Please note that each flanged hex nut is sold individually.

This spark plug is a genuine OEM part that is used on gas-powered lawn and garden equipment. The spark plug creates the spark that ignites the fuel and air mixture inside the engine, allowing it to run. It comes in a cylindrical shape with a ceramic insulator and a metal electrode that protrudes from the top. If your spark plug is faulty,...Read more your small engine may misfire, have difficulty starting, consume more fuel or not start at all. To check that the spark plug is faulty, you will need to use a spark tester to test it for electrical failure. Once you have done so, you can remove the faulty spark plug using a spark plug socket and ratchet. Place the new spark plug in to the socket and use your hands to carefully thread it into the engine. It is important to note that you should not wait until your spark plug is faulty to replace it. It should be replaced regularly as part of your annual small engine maintenance.

It is a genuine OEM approved replacement item specially designed for use with Echo gas powered handheld tools. This replacement fuel-strainer/filter fits inside of the fuel tank. The purpose of this item is to filter out dirt and debris from contaminating engines. Over time fuel filter will get clogged and restrict the fuel getting to the...Read more carburetor. At this point filter should be replaced. This filter consists of a metal body with fabric filter material and it is sold individually.

This replacement screw is a high quality hardware which has multiple applications based on your equipment, please refer to appropriate diagrams for proper location and use of this item. It is a high quality torx screw that is made from durable metal and it is sold individually.

This is an original replacement part manufactured for use with Echo chainsaws. The oil strainer filters oil as its is picked up to lubricate the chain. Proper lubrication between the chain and bar cuts down on friction extending the life of the saw. It is recommended to check the oil strainer before each use, and to clean or replace as necessary to prevent blockage. The oil strainer is sold individually.

This is a genuine OEM sourced part which is specially designed for use with Echo chainsaws. It provides an identical replacement for a missing or a faulty band-brake that was installed on a new unit. This is the part that helps to stop the chain. Please make sure to check the owners manual and the appropriate diagrams of your model for th...Read moree exact location and application of this component. Keep in mind this high-quality band is made of durable material and is sold individually. Note, the hardware to secure it is sold separately.

This spark plug cap is a genuine OEM sourced item commonly utilized on Echo lawn and garden equipment. It is used to connect the spark plug to the ignition wire. Please note, this rubber part is sold individually.

This 16" chain is a genuine OEM sourced replacement part that is designed for use with Echo chainsaws. This is the part that fits over the bar and it is what cuts the material. Over time chains tend to stretch and become dull eventually requiring replacement. It is made from strong durable metal and it is sold individually, to replace it you will need a wrench set, screwdriver and pliers.

This single-row, deep-groove ball bearing is sized at 12x32x10mm and is made of durable metal. It is used to reduce friction and vibrations when it is in between two parts that are rotating or moving against each other. This bearing can handle forces that are applied to it up-and-down and sideways, also known as radial and axial loads. It...Read more is easy to install and can handle high rotational speeds without causing too much vibration or making much noise. Over time, this ball bearing wears out from heat and pressure and starts to fail. If the engine of your machine has been run without oil in the gas tank, this ball bearing can seize. In these situations, you will need to replace the ball bearings. Otherwise, you will notice that your machine overheats, works harder because of the increased friction it is handling, and produces excessive vibration and noise. To extract a ball bearing from your machine, you will need to insert a flat-head screwdriver through the bearing opening and against the seal. Then, tap the seal out with a mallet. Afterwards, slot a socket through the diameter of the bearing, and tap the entire bearing out of its place by again using a mallet. This authentic OEM part is sold individually, so be sure to refer to your user manual to verify how many bearings your machine needs and where they are in it.

This authentic OEM sourced component is specially made for use with Echo handheld lawn and garden equipment. It is an identical replacement for a missing or a faulty terminal-spark plug cap spring that was installed on a new unit. Please make sure to refer to the appropriate diagrams of your model for the correct location and application ...Read moreof this hardware. Keep in mind this high-quality part is made of durable metal and is sold individually. Note, the #A427000013 Cap-Spark Plug is sold separately.

This item is a genuine Echo replacement part that has been sourced from the original manufacturer to be used chainsaws. The clutch drum is used to house the clutch and includes the sprocket. As the motor's RPM increases it causes the clutch to expand and rotate the clutch drum and sprocket causing the chain to rotate around the bar. This item is available as an individual replacement part.