RM-303E Echo Trimmer - Overview

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 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 control-throttle is a genuine OEM sourced item designed for Echo handheld lawn and garden equipment. This is the plastic lever that allows user to control the throttle. It is made from durable plastic and it is sold individually. You will need a screwdriver to replace this part.

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 manufacturer sourced replacement part is designed for use with Shindaiwa and Echo handheld lawn and garden equipment. A lock nut is a type of nut that resists loosening when properly threaded onto a bolt. This is a standard hardware which will has multiple applications depending on your equipment. This lock nut is made from high quality metal and it 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.

The Spacer is a silver, metal part, which is rated as "Easy" to install. It can be attached between the bearing and oil seal in the gear box, to provide spacing between these parts. If broken, damaged or worn it should be replaced. Refer to your make, model and diagram to ensure this is the correct part for you.

This replacement spark plug is an authentic OEM sourced item, not an aftermarket imitation. It is commonly utilized on Echo gas powered lawn and garden equipment. A spark plug delivers electric current from an ignition system to an internal combustion engine. Over time spark plugs will become dirty or fouled requiring replacement. Please ...Read morenote, one item is sold individually. Replacing a spark plug you will need a spark plug wrench or a socket wrench.

This is a genuine manufacturer sourced replacement washer that is designed for use with Shindaiwa and Echo handheld lawn and garden equipment. It helps to distribute the pressure evenly between two connected parts, for proper application please make sure to check appropriate diagrams of your unit. This part is made from durable metal and it is sold individually.

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.