CS-4500 Echo Chainsaw - Overview

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.

The Fuel Filter is a white and silver, individually sold, steel part. It reuires pliers to install and its installation is rated as Easy. The part attaches inside of the fuel tank and is used to clean the fuel of debris. It should be changed regularly. Check your owners manual for the recommended replacement schedule for your engine. ...Read moreIf the fuel is leaking or their is a blockage, you will know the part is broken and will likely need to be replaced. To check for small leaks, feel around for dampness and the smell of fuel.

This replacement tensioner is specially designed for use with Echo pole pruners/chainsaws. This part is a crucial component of chain tensioning mechanism. If the bar doesn't adjust when you turn the tension screw usually the tensioner pin or the adjustment bolt is worn or damaged. This part is made out of metal and it is sold individually.

Genuine OEM replacement part used on Echo chainsaws. This part keeps the fuel tank sealed and prevent gasoline from leaking. This item includes a retainer that remains in the tank to keep the fuel cap from being lost or falling on the ground. It also has an o-ring supplied with it to seal the cap. After time this o-ring will deteriorate a...Read morend become brittle causing fuel to leak from the tank. It will then have to be replaced.

This spark plug wire, also known as a spark plug coil or spark plug cap coil, is compatible with various makes and models of hand-held outdoor power equipment and is sold individually. This wire is installed within the spark plug boot and attaches to the spark plug for the ignition of your equipment. The spark plug wire is often exposed t...Read moreo extreme heat and excessive vibrations, so through normal wear and tear, it will likely break down. If your equipment is having difficulty starting or has general performance issues, the wire may be the reason why. To replace this wire, make sure your equipment is off before removing the wire and boot from the spark plug. Remove the boot from the wire and install the new wire within the boot before re-installing the boot back to the spark plug.

This plastic clip is an OEM part direct from the Echo manufacturer. This part is compatible with many chainsaw devices. The clip is secured onto the adjustment screw, and helps to work as a grip for the screw. Please refer to specific instruction manual for repair instructions. This part is sold individually. A screwdriver and a wrench are often needed to make the proper removal and replacement.

This replacement adjustment screw is an authentic OEM sourced item that is specially designed for Echo chainsaws. Its purpose is to allow user to adjust the chain tension. Saw chain tension should be checked and adjusted as needed before each use. If the chain is too tight it will compromise the engines power due to increased friction and...Read more it runs high risk of breaking. If the chain is too loose it can come off the bar becoming a serious danger for the user. Please note this durable metal adjustment screw is sold individually.

This OEM metal washer is commonly used on a variety of different small engine/lawn equipment models and is sold individually. This washer is used to help evenly distribute pressure from the securing bolt or screw with the cylinder cover, to reduce any effects of vibration from the engine. If the connection between the securing fastener be...Read morecomes loose, or if you are replacing the fastener itself, it is recommended that you replace this washer as well.

This replacement part is an authentic OEM screw designed for use with blowers and string trimmers. This is a standard hardware which has multiple uses based on equipment. Please refer to diagrams for proper application. This screw is made out of metal and it is sold individually. To secure or loosen this screw you would need a phillips head screwdriver.

This authentic item is supplied directly from the original equipment manufacturer for use with chainsaws and engines made by Echo. The stud attaches to the crankcase. A wrench may be necessary during the installation of this part. It is made out of metal and will need to be replaced if it breaks or strips. This part is available as an individual replacement.

This spark plug boot is an authentic OEM supplied replacement part, not an aftermarket equivalent. This rubber cap helps is used to connect the spark plug to the armature-magneto. Over time rubber material can dry out and crack requiring replacement. Please note, this part is sold individually.