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.

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WT4000 Line Trimmers
Lock Nut 83923
#27

Engine and wheels diagram

Lock nut

Part #83923

Replaced by #532409149

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Manufacturer substitution
This part replaces 83923. Substitute parts can look different from the original.
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$5.76
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Hex Flange Lock Nut 145212
#14

Chassis and v-belt diagram

Hex flange lock nut

Part #145212

Replaced by #532409149

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Manufacturer substitution
This part replaces 145212. Substitute parts can look different from the original.
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$5.76
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Lock Washer 10040600
#23

Chassis and v-belt diagram

Lock washer

Part #10040600

Replaced by #596238701

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Manufacturer substitution
This part replaces 10040600. Substitute parts can look different from the original.
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$4.31
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Lock Nut 73800600
#22

Chassis and v-belt diagram

Lock nut

Part #73800600

Replaced by #596322601

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Manufacturer substitution
This part replaces 73800600. Substitute parts can look different from the original.
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Lock Nut 751592
#8

Chassis and v-belt diagram

Lock nut

Part #751592

Replaced by #596322601

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Manufacturer substitution
This part replaces 751592. Substitute parts can look different from the original.
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Bearing Cover 172516
#36

Chassis and v-belt diagram

Bearing cover

Part #172516

Replaced by #532172516

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Manufacturer substitution
This part replaces 172516. Substitute parts can look different from the original.
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$10.09
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Nut 132004
#33

Engine and wheels diagram

Nut

Part #132004

Replaced by #582478602

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Manufacturer substitution
This part replaces 132004. Substitute parts can look different from the original.
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$2.87
26% OFF Phone Price : $3.87
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Line Trimmer Return Spring 173811
#15

Chassis and v-belt diagram

Line trimmer return spring

Part #173811

Replaced by #532173811

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Manufacturer substitution
This part replaces 173811. Substitute parts can look different from the original.
BEST SELLER
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$5.76
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Guide.rope.s 194788
#16

Engine and wheels diagram

Guide.rope.s

Part #194788

Replaced by #586122501

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Manufacturer substitution
This part replaces 194788. Substitute parts can look different from the original.
This item is not returnable
$15.99
11% OFF Phone Price : $17.99
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Bottom Deflector 180268
#16

Chassis and v-belt diagram

Bottom deflector

Part #180268

Replaced by #532180268

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Manufacturer substitution
This part replaces 180268. Substitute parts can look different from the original.
$41.15
13% OFF Phone Price : $47.15
In Stock

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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

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

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

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.

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…

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 …

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…

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.

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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…

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.…