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
Weed Eater
Gas Line Trimmer

Model # WT4000 Official Weed Eater gas line trimmer

Here are the diagrams and repair parts for Official Weed Eater WT4000 gas line 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 75 parts  |
Hndl.knob.bl 189713X428
#12

Engine and wheels diagram

Hndl.knob.bl

Part #189713X428

Replaced by #532185577

?
Manufacturer substitution
This part replaces 189713X428. Substitute parts can look different from the original.
BEST SELLER
$10.64 | 
16% OFF Phone Price : $12.64
In Stock
Line Trimmer Belt 185476
#4

Chassis and v-belt diagram

Line trimmer belt

Part #185476

Replaced by #532185476

?
Manufacturer substitution
This part replaces 185476. Substitute parts can look different from the original.
BEST SELLER

Get free shipping with Automatic Reorder

$30.01 | 
17% OFF Phone Price : $36.01
In Stock
Handle Bolt 191574
#11

Engine and wheels diagram

Handle bolt

Part #191574

Replaced by #532191574

?
Manufacturer substitution
This part replaces 191574. Substitute parts can look different from the original.
BEST SELLER
$7.98 | 
11% OFF Phone Price : $8.98
In Stock
Lock Washer 10040600
#23

Chassis and v-belt diagram

Lock washer

Part #10040600

Replaced by #596238701

?
Manufacturer substitution
This part replaces 10040600. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Bearing Cover 172516
#36

Chassis and v-belt diagram

Bearing cover

Part #172516

Replaced by #532172516

?
Manufacturer substitution
This part replaces 172516. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$9.31 | 
10% OFF Phone Price : $10.31
In Stock
Nut 132004
#33

Engine and wheels diagram

Nut

Part #132004

Replaced by #582478602

?
Manufacturer substitution
This part replaces 132004. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.64 | 
27% OFF Phone Price : $3.64
In Stock
Line Trimmer Return Spring 173811
#15

Chassis and v-belt diagram

Line trimmer return spring

Part #173811

Replaced by #532173811

?
Manufacturer substitution
This part replaces 173811. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Axle Shaft 169787
#22

Engine and wheels diagram

Axle shaft

Part #169787

Replaced by #592930001

?
Manufacturer substitution
This part replaces 169787. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$23.98 | 
20% OFF Phone Price : $29.98
In Stock
Guide.rope.s 194788
#16

Engine and wheels diagram

Guide.rope.s

Part #194788

Replaced by #586122501

?
Manufacturer substitution
This part replaces 194788. Substitute parts can look different from the original.
This item is not returnable
$15.59 | 
11% OFF Phone Price : $17.59
In Stock
Screw.10-16 178848
Screw.10-16

Part #178848

Replaced by #532178848

?
Manufacturer substitution
This part replaces 178848. Substitute parts can look different from the original.
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

View all

Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

Read more

Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

Read more

Why does my gas line trimmer leak gas?

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

Read more

Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

View all
How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

Read more
Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

View all
Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

Read more
How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer.…

Read more
How to tune up a grass line trimmer video

How to tune up a grass line trimmer video

Tune of your grass line trimmer, following the steps in this video.…

Read more

Parts & More