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Weed Eater
Gas Walk-Behind Mower

Model # WE45TN22SD Official Weed Eater rotary lawn mower

Here are the diagrams and repair parts for Official Weed Eater WE45TN22SD rotary lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 51 parts  |
Lock Nut 83923
#46

Engine/housing/handle/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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$5.31 | 
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Lawn Mower Blade 141114
#62

Engine/housing/handle/wheels diagram

Lawn mower blade

Part #141114

Replaced by #532406713

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Manufacturer substitution
This part replaces 141114. Substitute parts can look different from the original.
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$28.29 | 
17% OFF Phone Price : $34.29
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Handle Bolt 131959
#7

Engine/housing/handle/wheels diagram

Handle bolt

Part #131959

Replaced by #532191574

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Manufacturer substitution
This part replaces 131959. Substitute parts can look different from the original.
BEST SELLER
$7.98 | 
11% OFF Phone Price : $8.98
In Stock
Nut 132004
#1

Engine/housing/handle/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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$2.64 | 
27% OFF Phone Price : $3.64
In Stock
Rope Guide 179585
#3

Engine/housing/handle/wheels diagram

Rope guide

Part #179585

Replaced by #586122501

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Manufacturer substitution
This part replaces 179585. Substitute parts can look different from the original.
This item is not returnable
$15.59 | 
11% OFF Phone Price : $17.59
In Stock
Walk-behind Lawn Mower Selector Knob 87877
#40

Engine/housing/handle/wheels diagram

Walk-behind lawn mower selector knob

Part #87877

Replaced by #532087877

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Manufacturer substitution
This part replaces 87877. Substitute parts can look different from the original.
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Tapping Screw 750097
#77

Engine/housing/handle/wheels diagram

Tapping screw

Part #750097

Replaced by #817021008

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Manufacturer substitution
This part replaces 750097. Substitute parts can look different from the original.
This item is not returnable
$3.99
In Stock
Hex Flange Nut 166785
#74

Engine/housing/handle/wheels diagram

Hex flange nut

Part #166785

Replaced by #585802801

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Manufacturer substitution
This part replaces 166785. Substitute parts can look different from the original.
$8.54
In Stock
Lawn Mower Discharge Chute Clip 161622
#76

Engine/housing/handle/wheels diagram

Lawn mower discharge chute clip

Part #161622

Replaced by #532161622

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Manufacturer substitution
This part replaces 161622. Substitute parts can look different from the original.
$20.54
In Stock
Skirt 165858
#21

Engine/housing/handle/wheels diagram

Skirt

Part #165858

Replaced by #532413160

?
Manufacturer substitution
This part replaces 165858. Substitute parts can look different from the original.
$20.54
In Stock

Symptoms for gas walk-behind mowers

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

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Why does my lawn mower run rough?

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

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Why does my lawn mower cut unevenly?

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

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Why does my lawn mower vibrate a lot?

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

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Why won't my lawn mower start?

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

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Why does my lawn mower stall?

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

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Why won't my lawn mower move?

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

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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.

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How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Read more
Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your walk-behind mowers

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

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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.…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

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