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ST4050 (Type 1) Black and Decker Trimmer - Overview

Sections of the ST4050

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Keep searches simple, eg. "belt" or "pump".
Guard – Part Number: 598899-00
Guard
PartSelect #: PS11927687
Manufacturer #: 598899-00
  No Longer Available
Guide,Edge – Part Number: 380095-00
Guide,Edge
PartSelect #: PS11926093
Manufacturer #: 380095-00
$5.15
  Special Order
Trimmer Bump Cap – Part Number: 682378-02
Trimmer Bump Cap
PartSelect #: PS10184171
Manufacturer #: 682378-02
2-5/8-Inch Wide This is a genuine Black and Decker replacement part. It is sold individually.. Its purpose is to hold the spool and bumper in the spool housing. It has 2 tabs that snap into th...
$13.75
  In Stock
Order now and your part arrives in 2-3 business days!
Brush – Part Number: 387542-00
Brush
PartSelect #: PS10170839
Manufacturer #: 387542-00
This carbon brush is an OEM replacement part found inside the motor housing in trimmers. It is one of the two brushes that help to provide electrical contact between the motor and the power source, al...
$5.95
  In Stock
Order now and your part arrives in 2-3 business days!
Spring – Part Number: 387378-00
Spring
PartSelect #: PS11926190
Manufacturer #: 387378-00
$5.15
  Special Order
Switch,On/Off – Part Number: 383994-00
Switch,On/Off
PartSelect #: PS10170531
Manufacturer #: 383994-00
$5.95
  In Stock
Order now and your part arrives in 2-3 business days!
Trimmer Spring – Part Number: 682235-00
Trimmer Spring
PartSelect #: PS10184168
Manufacturer #: 682235-00
$5.15
  In Stock
Order now and your part arrives in 2-3 business days!
Trimmer Spool – Part Number: 143684-01
Trimmer Spool
PartSelect #: PS10165961
Manufacturer #: 143684-01
$19.34
  In Stock
Order now and your part arrives in 2-3 business days!
Holder,Brush – Part Number: 152872-00
Holder,Brush
PartSelect #: PS11925006
Manufacturer #: 152872-00
  No Longer Available
Contact,Term. – Part Number: 87486-00
Contact,Term.
PartSelect #: PS10185184
Manufacturer #: 87486-00
$5.95
  In Stock
Order now and your part arrives in 2-3 business days!
Button,Latch – Part Number: 380296-01
Button,Latch
PartSelect #: PS11926100
Manufacturer #: 380296-01
  No Longer Available
Handle, Auxiliary – Part Number: 380087-00
Handle, Auxiliary
PartSelect #: PS10170178
Manufacturer #: 380087-00
$5.15
  In Stock
Order now and your part arrives in 2-3 business days!
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Questions And Answers for ST4050

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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Broken power input terminal
I found this unit by the side of the road. One power input terminal was loose. Inside it was broken. Replacement was to remove the screws, pull out the wire, and cut the wire next to the terminal. I was able to strip the wire and crimp it in the terminal. I then soldered both terminals for a good connection.
Parts Used:
Contact,Term.
  • Curtis from Huntsville, AL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
6 of 14 people found this instruction helpful.
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