ST4050 (Type 1) Black and Decker Trimmer - Overview

Sections of the ST4050

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Keep searches simple, eg. "belt" or "pump".
On-off Switch – Part Number: 383994-00
On-off Switch
PartSelect #: PS10170531
Manufacturer #: 383994-00
This is a Genuine Manufacturer Sourced replacement part used on a variety of Black and Decker Trimmers/Edgers. This item is Sold Individually. Switches are a commonly replaced part in power tools, han...
$7.44
  In Stock
Bump Cap – Part Number: 682378-02
Bump Cap
PartSelect #: PS10184171
Manufacturer #: 682378-02
This genuine Black & Decker replacement spool cap is designed to hold the spool and bumper securely inside the spool housing of your trimmer. It features two snap-in tabs that make installation and re...
$24.23
  On Order
Holder,Brush – Part Number: 152872-00
Holder,Brush
PartSelect #: PS11925006
Manufacturer #: 152872-00
  No Longer Available
Ring,retaining – Part Number: 037653-00
Ring,retaining
PartSelect #: PS10165201
Manufacturer #: 037653-00
Included in part number 395930-01
$7.44
  Special Order
Button,Latch – Part Number: 380296-01
Button,Latch
PartSelect #: PS11926100
Manufacturer #: 380296-01
  No Longer Available
Guide,Edge – Part Number: 380095-00
Guide,Edge
PartSelect #: PS11926093
Manufacturer #: 380095-00
$7.44
  Special Order
Spring – Part Number: 387378-00
Spring
PartSelect #: PS11926190
Manufacturer #: 387378-00
  No Longer Available
Blade,Polarized – Part Number: 151625-00
Blade,Polarized
PartSelect #: PS10166534
Manufacturer #: 151625-00
  No Longer Available
Washer,Spring – Part Number: 157315-00
Washer,Spring
PartSelect #: PS10166946
Manufacturer #: 157315-00
  No Longer Available
Bearing – Part Number: 148814-00
Bearing
PartSelect #: PS10166292
Manufacturer #: 148814-00
$7.44
  Special Order
Receptacle – Part Number: 51350-04
Receptacle
PartSelect #: PS10175699
Manufacturer #: 51350-04
$7.44
  Special Order
Guard – Part Number: 598899-00
Guard
PartSelect #: PS11927687
Manufacturer #: 598899-00
  No Longer Available
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
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