SRM-400 (AE Version) Echo Trimmer - Parts

The m10 Left Hand Thread Nut is a 10mm, gold metal part, sold individually. This nut is a "reverse thread". It requires a wrench or socket set to install, and installation is rated as "Easy". Use this part to secure the blade to the unit, by attaching it to the shaft, securing the cutting blade. If broken or damaged, it should be replaced...Read more. Refer to your make, model and diagrams to check if this is the right part for you.

The Cotter Pin (or Split Pin) is a 2x22mm silver metal part, sold individually. It is rated as "Easy" to install, and installation will require a set of pliers. It can be attached in various locations on a variety of equipment and is used to secure and lock parts in place. If broken, damaged, or worn down the part it is securing may becom...Read moree loose, and the part should be replaced. If this part is removed for repairs, replace it with a new one. Refer to your make, model, and diagrams to make sure this is the correct part.

This OEM nut is a 5mm, gold, metal nut, which is sold individually. It can be installed with a Wrench or Socket and Torque Wrench by torquing to the manufacturer specifications. This nut is used to secure another part in place, and should be replaced if damaged due to fatigue (such as damaged threads or rounded ends). This nut can have v...Read morearious uses on various equipment, and as such the difficulty of the installation can vary, but generally this is an easy repair.

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 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 screw is specially designed for use with Echo handheld lawn and garden equipment. It is a high quality OEM sourced item, not an aftermarket imitation. This screw is a standard hardware which has multiple uses depending on the equipment. Please note, this hex socket head screw is sold individually.

This replacement grommet is an authentic OEM item that is produced for use with Echo gas powered equipment. It fits in the fuel tank to secure the hose and seal the opening. Over time it may deteriorate and crack eventually requiring replacement. It is made from durable rubber material and it is sold individually.

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.

This is an original Echo replacement part manufactured for use with outdoor power equipment. This special screw includes a washer and can be used with either flat or phillips head drivers. The screw has different applications, please see model diagram for part location and use. The screw is sold individually.

This is an authentic replacement part manufactured for use with Echo backpack blowers, edgers, and trimmers. The screw has multiple applications that vary depending on the model of equipment. This screw is sold individually, please see model diagram for part location and usage.

This is an original Echo replacement part manufactured for use with outdoor power equipment. The vent assembly is used like a one-way valve to allow air into a fuel or oil tank to prevent a vacuum within the tank. This vent assembly is sold individually.

The muffler screen is an original Echo replacement part manufactured for use with outdoor power equipment. Muffler screens can clog with oil and carbon, and replacing a clogged screen can prolong optimal engine performance. This muffler screen is sold individually.