Black & Decker
Lawn Edger

Model # ST4050 TYPE 1 Official Black & Decker 12" groom n' edge

Here are the diagrams and repair parts for Official Black & Decker ST4050-TYPE-1 12" groom n' edge, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 40 parts  |

Hedge Trimmer Polarized Spade 151625-00
#NI

12" groom n edge diagram

Hedge trimmer polarized spade

Part #151625-00

The manufacturer no longer makes this part, and there's no substitute part

Brush 152916-00
#17

12" groom n edge diagram

Brush

Part #152916-00

The manufacturer no longer makes this part, and there's no substitute part

Craftsman Lawn Mower Blade 792931-00
#33

12" groom n edge diagram

Craftsman lawn mower blade

Part #792931-00

The manufacturer no longer makes this part, and there's no substitute part

Line Trimmer Motor Fan And Spool Housing 833912-01
#24

12" groom n edge diagram

Line trimmer motor fan and spool housing

Part #833912-01

The manufacturer no longer makes this part, and there's no substitute part

Line Trimmer Cutting Head Cap 682378-02
#10

12" groom n edge diagram

Line trimmer cutting head cap

Part #682378-02

The manufacturer no longer makes this part, and there's no substitute part

Lawn & Garden Equipment Screw 330019-09
#20

12" groom n edge diagram

Lawn & garden equipment screw

Part #330019-09

The manufacturer no longer makes this part, and there's no substitute part

Line Trimmer Spool Spring 682235-00
#11

12" groom n edge diagram

Line trimmer spool spring

Part #682235-00

The manufacturer no longer makes this part, and there's no substitute part

Receptacle 680131-01
#28

12" groom n edge diagram

Receptacle

Part #680131-01

The manufacturer no longer makes this part, and there's no substitute part

Lawn & Garden Equipment Screw 330019-04
#8

12" groom n edge diagram

Lawn & garden equipment screw

Part #330019-04

The manufacturer no longer makes this part, and there's no substitute part

Craftsman Line Trimmer Spool 143684-01
#9

12" groom n edge diagram

Craftsman line trimmer spool

Part #143684-01

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower carburetor

How to replace a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn edgers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

Top 10 electric lawn and garden tools for 2023

Top 10 electric lawn and garden tools for 2023

Learn about the top 10 must-have electric lawn & garden tools for 2023…