Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Black & Decker
Electric Line Trimmer

Model # ST4500 TYPE 3 Official Black & Decker trimmer

Here are the diagrams and repair parts for Official Black & Decker ST4500-TYPE-3 trimmer, 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.

Owner’s manual

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 15 parts  |
Guard 90506156
#4

Trimmer assy diagram

Guard

Part #90506156

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

Spring 598936-00
#7

Trimmer assy diagram

Spring

Part #598936-00

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

Line Trimmer Cutting Head Cap 682378-02
#10

Trimmer assy diagram

Line trimmer cutting head cap

Part #682378-02

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

Black & Decker Nameplate 90518514-01
#29

Trimmer assy diagram

Black & decker nameplate

Part #90518514-01

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

Line Trimmer Edge Guide 90503998
#27

Trimmer assy diagram

Line trimmer edge guide

Part #90503998

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

Pin 243251-00
#28

Trimmer assy diagram

Pin

Part #243251-00

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

Motor 90531236SV
#24

Trimmer assy diagram

Motor

Part #90531236SV

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

Lawn & Garden Equipment Screw 681914-00
#3

Trimmer assy diagram

Lawn & garden equipment screw

Part #681914-00

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

Line Trimmer Spool Spring 682235-00
#11

Trimmer assy diagram

Line trimmer spool spring

Part #682235-00

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

Lawn & Garden Equipment Screw 330019-04
Lawn & garden equipment screw

Part #330019-04

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

Articles and videos for electric line trimmers

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…

Read more

Parts & More

Central Air Conditioner
York Central Air Conditioner Parts