- This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
- New stock is on the way! On order parts usually ship within 7 business days.
- Item is not in stock and usually ships 10-15 business days from the time you place your order.
- This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
Troubleshooting
- Black and Decker
- Craftsman
- Trimmer
Customer Part Reviews
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Customer Repair Instructions
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
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head gears were worn out and head was loose
Joe from Raytown, Missouri
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Screw drivers
Removed the guard
Removed the metal piece in front of guard
Removed screws holding the head together
Separated head
Remove the old worn out geared mechanism
Put in new mechanism
Replace spring on latch controlling rotation of the head
Replace cover
Replace screws ... Read more r />Replace guard
Replace metal guard
string trimmer gears wear out and excessive heat melts the parts together
Michael from Belmont, New York
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Model Cross Reference
Manufacturer Part Number: 90550451
| Brand | Model Number | Description |
|---|---|---|
| Craftsman | 90098020 | Trimmer - Trimmer/Edger |
| Black and Decker | 98020SE | Trimmer - Lst136 - 40v String Trimm |
| Craftsman | CMCST915B | Trimmer - Cordless String Trimmer |
| Craftsman | CMCST915D1 | Trimmer - Cordless String Trimmer |
| Craftsman | CMCST98020E1 | Trimmer - 40v Max Li-Ion Strin |
| Black and Decker | LST136 | Trimmer - Cordless String Trimmer |
| Black and Decker | LST136B | Trimmer - 40v Lith Str Trimmer |
| Black and Decker | LST540 | Trimmer - 40v Brushless String |
| Black and Decker | LST540B | Trimmer - 40v Brushless String |
| Black and Decker | LST560C | Trimmer - 60v Easyfeed Trimm |
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.