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
Toro
Electric Line Trimmer

Model # 51803 Official Toro trimmer

Here are the diagrams and repair parts for Official Toro 51803 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.

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  |
Lock Off Button 181484
#7

Housing and handle assembly diagram

Lock off button

Part #181484

$10.26
In Stock
Bld Asm (518 181491

#NI

All parts diagram

Bld asm (518

Part #181491

$347.93
In Stock
Housing Assembly 181485
#12

Housing and handle assembly diagram

Housing assembly

Part #181485

$275.45
In Stock
Gear Assembly 181490
#30

Motor and blade assembly diagram

Gear assembly

Part #181490

$132.90
In Stock
Handle 180049
#3

Housing and handle assembly diagram

Handle

Part #180049

$99.38
In Stock
Armature 181489
#21

Motor and blade assembly diagram

Armature

Part #181489

$137.42
In Stock
Danger Decal 181391
#14

Housing and handle assembly diagram

Danger decal

Part #181391

$24.69
In Stock
Bld Asm (518 180848
#31

Motor and blade assembly diagram

Bld asm (518

Part #180848

Replaced by #180183

?
Manufacturer substitution
This part replaces 180848. Substitute parts can look different from the original.
$330.73
In Stock
Blade Cover 181492
#34

Motor and blade assembly diagram

Blade cover

Part #181492

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

Plate (51807 181487

#NI

All parts diagram

Plate (51807

Part #181487

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