ST7700 (Type 1) Black and Decker Trimmer - Overview

Diagrams for ST7700

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Screw – Part Number: 681914-00
$7.44
In Stock
Screw
Part #681914-00
Genuine Black and Decker replacement part, this item is sold individually. This screw is used to secure the line cutting blade located on the trimmer guard on the models shown below. Depending on the model you have you may need one or two of these.
Spool and Line – Part Number: 242885-01
$31.81
Special Order
Spool and Line
Part #242885-01
This spool is an OEM part direct from Craftsman for trimmers. This part includes the line and the spool. This part goes inside the cutting head and cuts weeds and grass. It is recommended to review your models diagram to verify the parts compatibility. This part is made of plastic.
Spring – Part Number: 243603-00
$7.44
In Stock
Spring
Part #243603-00
Looking for a quick and effective solution to fix your appliance? Take a breath you're in the right place! This Craftsman spring is a trusted solution that fits a variety of appliances. Crafted to precision this spring is designed to ensure your appliance works at its best and lasts longer. It's crucial for optimal performance enhancing the efficiency of your appliance while extending its life. If your appliances are well-served by a Craftsman their top-notch performance will return the favor. Craftsman's reputation stands for quality and reliability so you can be confident that this spring is sturdy and robust engineered for a seamless fit. Getting your appliance back to running like new couldn't be easier! Just a word of caution ? proper installation of this spring is essential. It's not only the key to getting your appliance back on track but also for ensuring safety. So check the installation guide follow the steps and you'll be enjoying your appliance at its best in no time. Don't worry we believe in you! Note: Specialist expertise might be required for installation. Please consult a professional if you're unsure. Always remember the better the parts the better the performance. Choose Craftsman choose quality.
COVER SPOOL – Part Number: 385022-03N
No Longer Available
COVER SPOOL
Part #385022-03N
This genuine OEM replacement spool cover is specifically designed for use with Craftsman trimmers and edgers. Its primary function is to secure the spool and cutting line within the cutter head assembly, ensuring smooth and safe operation during trimming tasks. Made from high-quality plastic, this durable cover is built to withstand regular use and outdoor conditions. Replacing the cover is quick and easy—simply press the two upper tabs to release it from the spool housing, then snap the new one into place. This part is sold individually, and for best results, refer to your tool’s owner’s manual or parts diagram to confirm compatibility.
MOTOR ASSEMBLY – Part Number: 90534964SV
No Longer Available
MOTOR ASSEMBLY
Part #90534964SV
SA GUARD – Part Number: N525210
No Longer Available
SA GUARD
Part #N525210
This is an original Black and Decker part manufactured for use with trimmers. This plastic guard assembly mounts near the trimmer head, and is used to protect from clipping debris. The guard assembly includes the blade that trims excess trimmer line, the guard assembly is sold individually.
HOUSING ASSEMBLY. – Part Number: 90523140
No Longer Available
HOUSING ASSEMBLY.
Part #90523140

Questions And Answers for ST7700

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James - For model number ST7700
October 17, 2025
The spool is free spinning It seems the level, Part #8, is missing. Where I can get this part?
Chris Boyle Profile
Hi James, thank you for contacting us. The lever you are looking for is part number PS11927683. You can order this part on our site. We hope that helps!
$13.48
Special Order
Lever
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