Models > CMCST915B

CMCST915B (Type 1) Craftsman Trimmer

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This is an OEM spring located between the spool and spool cover of your trimmer. It is designed to hold the spool in position. This spring can lose tension over time and may cause the trimmer head to ...
In Stock
Order now and your part arrives by Jun 29
$6.51
This replacement screw is an authentic OEM sourced item, not an aftermarket equivalent. This is screw is used in a lot of different applications depending on your tool. Please check appropriate diagra...
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Special Order
In Stock
Order now and your part arrives by Jun 29
Used on cordless string trimmers, this pre-wound spool and line assembly provides reliable cutting performance with automatic line feeding for smooth operation. It comes ready to install with durable ...
On Order
$6.51
This replacement spool cap is designed for cordless string trimmers to securely hold the line spool in place during operation. Made from durable, impact-resistant plastic, it helps protect internal tr...
On Order
Special Order
$6.51
In Stock
Order now and your part arrives by Jun 29
$6.51
Special Order
$7.04
Special Order
$6.51
Special Order
$6.51
Special Order

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Jerry Schuh
May 18, 2026
I just ordered, and received, some string, springs and end caps, for my Craftsman string trimmer.. The springs and end caps are too large. Do you have smaller sizes ?
For model number CMCST915B
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Hello Jerry, thank you for reaching out. It seems the parts you ordered are not compatible with your model number. The compatible spring for your model is part number FIX18988535, and the end cap/cover is part number FIX17787620. We hope this information helps!

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