ST175 Homelite Trimmer - Overview

This spool retainer is sourced from the equipment manufacturer for use in trimmers. It is a plastic knob, measuring 2 inches in diameter, with a threaded metal bolt in the center. The retainer has a right hand thread, and it is used to secure the spool within the trimmer head to prevent it from coming loose during operation. The retainer ...Read moreengages with the trimmer head to lock the spool in place, while it also advances the cutting line for greater cutting efficiency. If the threads on the retainer bolt wear out or the plastic body becomes damaged, the retainer will be unable to engage with the trimmer head, causing the line to tangle, the spool to come loose, and lowering the cutting performance of the trimmer. Remove the trimmer head cover and detach the retainer from the assembly. Position the new spool retainer in the assembly and thread it firmly into place.

This grass deflector acts like a shield so that grass clippings are directed away from you and the surrounding areas while you are operating your trimmer. It is often located near the bottom of your trimmer, close to the cutting head. This assembly also includes the line cutting blade, which maintains the proper length of the trimmer line...Read more. If the assembly is cracked, bent, or missing, grass clippings may fly in unintended directions. This can be dangerous if your trimmer throws debris towards you or others nearby, so it is important to replace the damaged deflector. To replace the assembly, you will need a screwdriver to remove the flat washer, wing nut and, the hex screw from the grass deflector. Please be aware that this OEM grass deflector is sold individually.

This is a genuine OEM replacement part, sold individually. This Bumper helps keep the fuel tank in place, and minimizes vibration of the fuel tank. This part is used with a variety of string trimmers, compatible with the models listed below.

Springs are used within outdoor power equipment to provide tension and shock absorption, depending on their application and use. This spring is designed for use within trimmers/brush cutters and is made to provide tension on the spool reel mechanism, and in some cases may be used to advance the line whenever portions of it are cut off. Th...Read moreis spring measures approximately 1.3-inches in length when extended and comes as an individual part. If you notice the line/spool in your trimmer is not advancing or is coming too quickly, the spring may be damaged and need replacing. Since this spring is a high-use part, it is not uncommon for it to lose tension over time and need to be replaced. To replace the spring, you will need to unscrew the covering cap, remove the spool feeding reel, remove the old spring and install the new spring with the rest of the assembly. Make sure to feed the line back into the appropriate feeding holes prior to operation of the trimmer.

Fuel Tank with lines and fuel filter

This is a genuine OEM replacement part, it is sold individually. The purpose of the 900994004 Carburetor Gasket is to prevent an air leak, which would cause the engine to run poorly. It is advised to replace these gaskets when replacing or repairing the carburetor.

Genuine OEM replacement part, this item is sold individually. This Clutch Drum is used on all of the outdoor products shown below. It contains the screw to attach this part to the spindle of the engine. It is usually a Torx T-25 Screw or a T-20. Once the engine gets to a certain RPM the clutch will expand and come in contact with the inside of the clutch drum. This will start the rotation of the Trimmer drive shafts.

This is a genuine Homelite replacement part designed for use with Trimmers and Blowers. It is made out of Rubber and it is Sold Individually. By pressing on the Purge Bulb, it will force fuel into the fuel line from the fuel tank into the carburetor. Once the carburetor is full of fuel, the excess fuel will be purged back into the tank in...Read more the fuel return line. At some time the primer will lose its elasticity or crack and need to be replaced.

This item has been OEM sourced and is intended to be used with gas-powered trimmers and pruners from Ryobi & Homelite. The gasket is used to seal the connection between the cylinder and the crankcase. It is recommended to replace gaskets when servicing the motor to ensure proper seals and spacing when the parts are reassembled. This item is priced as a single part.

This is a genuine OEM replacement part, it is sold individually. The Housing and Eyelet contain the spring and the spool and string for the models listed below. The cutting string is inserted through the eyelets, then the spool is inserted into the housing, it is then attached by the spool retainer.

The cupped washer attaches to the tri-arc blade with the use of the lock nut. This part is an OEM from Ryobi and Homelite to be used in brushcutters and trimmers. It is made of metal and helps to keep the cutting tool in place. A wrench will be needed if this part needs to be replaced. This washer is priced as an individual replacement part.

Genuine OEM replacement part, This item is sold as a kit. This is the complete Stringhead Assembly for the Trimmers shown below. It is a dual line head. To install this part, slide it on the spindle or shaft of the Trimmer The kit contains two Spool Retainers to secure the Stringhead. The red one has left hand threads and the black one ha...Read mores right hand threads. It will depend on the model you have, on which Spool Retainer to use. The cutting line diameter used in this Stringhead is .095