Parts for Troy-Bilt TB90BC: Handle / Throttle Housing / Shield Parts

This replacement part is a carburetor replacement kit. This kit includes everything needed to repair or rebuild a carburetor.Be sure to diagnose the issue before purchasing this kit to ensure that the needed parts are included. A damaged carburetor may cause hard starting or black smoke exhaust during use. Wear work gloves when working with the carburetor. The engine should be powered down and cooled off before starting this job.This is a genuine OEM replacement part manufactured by MTD. This part is sold individually.

Throttle trigger handle for gas line trimmers. Mounts to the control handle shaft to control engine speed. Replace if broken, cracked, or stuck in position.

Engine piston ring set prevents fuel leakage and maintains compression. Replace when you notice reduced power, excessive smoke, or oil consumption. Verify fit with your model number before ordering.

Replacement throttle trigger spring for gas line trimmers. Installs inside the throttle trigger assembly. Needed when original spring is broken or missing.

The On/Off Switch is an OEM part for MTD outdoor power equipment. This switch is a crucial component for the safe operation of various types of lawn and garden equipment, including lawn mowers, snow blowers, and other powered tools. 

Causes of damage to the On/Off Switch often involve wear and tear from regular use, exposure to harsh outdoor conditions that can corrode or damage electrical components, or accidental impacts that can physically damage the switch.

Symptoms of a bad On/Off Switch include:

• The equipment failing to start
• The machine not stopping when the switch is turned to the off position
• Intermittent power or erratic starting and stopping

This OEM replacement part can be used on trimmers from Craftsman, Yard-Man, Cub Cadet, Bolens, Ryobi, Huskee, Troy-Bilt, MTD, Murray, and Yard Machines.

Replacement clutch spring for tillers and trimmers. Restores proper clutch tension and engagement. Order a new spring if yours is broken, stretched, or missing.

Reel spool assembly for gas line trimmers. Holds and feeds trimmer line during operation. Replace if spool is cracked, worn, or missing components.

Throttle cable for gas line trimmers. Connects trigger to engine carburetor. Replace if frayed, stuck, broken, or throttle response is poor.

24.932" boom assembly for gas line trimmers. Includes internal drive shaft. Replace if boom tube is bent, cracked, or damaged from impact or wear.

Handle bracket assembly for gas line trimmers and tillers. Mounts and secures the handlebar to the unit. Replace if cracked, broken, or damaged.

Upper handle clamp for tillers and trimmers. Secures handlebar assembly in place. Replace if cracked, loose, or worn to restore proper grip control.

Secures the lower handle clip on line trimmers and lawn equipment. Replace if broken, stripped, or missing to properly mount the handle assembly.

Fastening screw for lawn mowers, snow throwers, and trimmers. Secures components together. Replace if stripped, corroded, or missing during repairs.

Replacement bolt for line trimmers and snow throwers. Secures internal components and housing. Order when original is stripped, missing, or damaged.

Replace a worn lower drive shaft assembly if your trimmer head won't spin or makes grinding noises. Connects upper shaft to cutting head. DIY repair.

Replace a worn or broken flex drive shaft causing your line trimmer to stop spinning the cutting head. Direct fit for multiple gas trimmer models.

Rotating trimmer head for gas line trimmers and weed wackers. Replace when cracked, worn, or no longer spinning properly during operation.

Replacement screw for lawn tractors, tillers, and trimmers. Used throughout various assemblies. Replace if lost, stripped, or damaged during repairs.

This part is a replacement blade driver. This is a genuine OEM part made by MTD and has been sourced directly from the manufacturer. The intended use for this part is to properly replace a defective or broken blade driver in line trimmers.Blade drivers help to ensure the line trimmer blade rotates on the gearbox shaft and so is an essential component and should be replaced if faulty. This part may become corroded, worn, jammed, or otherwise damaged over time, requiring replacement. Always ensure that the equipment is completely powered off and is cooled down before attempting to start the repair process. For more accurate information on the installation of this particular blade driver, reference the owner's manual or equipment diagrams for specific instructions and part location. This is an authentic OEM part and as such is sold individually and made from durable and high-quality metal. This blade driver can be used with a variety of line trimmer models manufactured by Craftsman, MTD, Troy-Bilt, and other brands.

Replace a dull or damaged trimmer blade assembly that causes uneven cutting or poor performance. Straightforward installation takes 15-30 minutes.

Blade clamp washer secures the cutting blade on gas line trimmers. Replace if worn, cracked, or missing to ensure safe blade attachment. Verify fit.

Retainer ring for gas line trimmers. Secures internal components in place. Replace if cracked, broken, or missing to restore proper assembly.

Inner spool reel for gas line trimmers. Holds and feeds trimmer line during operation. Replace if cracked, worn, or damaged to restore proper line feeding.

Bump knob assembly for gas line trimmers. Installs on the cutting head to control line feed. Replace if cracked, broken, or worn from impact damage.

Cuts heavy brush and weeds on gas line trimmers. Replace if blade is cracked, broken, or not cutting properly. Attaches to gearbox. Verify fit.

This is a blade lock nut that is typically a component of string trimmers and edgers. The blade lock nut ensures the cutting blade is securely attached to the shaft of the trimmer. If the nut is corroded, broken, or has come loose, it will need to be replaced. The equipment should not be operated without this nut since other components could come loose and fall off.This is a simple part to replace and will require only a wrench or a socket set. This nut is located on the spindle, so a visual inspection can be done to ensure it is damaged or broken. Remove it and thread the new blade lock nut to the same location. If the nut is stripped, a bolt remover can be used to get it off of the lawn equipment.This blade lock nut is sold as an individual part. It is an authentic OEM replacement part that is sourced directly from the manufacturer. The part is made to fit a variety of edgers and string trimmers manufactured by Craftsman, Cub Cadet, MTD, Ryobi, and Yard Machines.

Replace a broken or missing locking rod that fails to secure the trimmer head or handle assembly. Direct fit for multiple gas trimmer models.

Replacement shoulder strap for line trimmers and leaf blowers. Attaches to equipment for comfortable, hands-free operation. Replace if worn, frayed, or broken.

Fix grinding noises or drive issues in your line trimmer with this pinion gear assembly. Common repair for worn gears causing poor performance.

Replacement palnut for gas line trimmers. Secures internal components alongside screws and washers. Replace if cracked, stripped, or missing.