Gas Walk-Behind Mower

Model # 020 Official MTD gas lawn mower

Here are the diagrams and repair parts for Official MTD 020 gas lawn mower, as well as links to manuals and error code tables, if available.

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020 Walk-Behind Mowers
Chipper/shredder Flail Blade 719-0329
#26

Frame diagram

Chipper/shredder flail blade

Part #719-0329

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$32.18
16% OFF Phone Price : $38.18
In Stock
Lock Washer 736-0119
#23

Frame diagram

Lock washer

Part #736-0119

Replaced by #936-0119

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Manufacturer substitution
This part replaces 736-0119. Substitute parts can look different from the original.
This item is not returnable
$6.05
14% OFF Phone Price : $7.05
In Stock
Mount Switch 725-3166
#2

Frame diagram

Mount switch

Part #725-3166

Replaced by #725-3166

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Manufacturer substitution
This part replaces 725-3166. Substitute parts can look different from the original.
This item is not returnable
$9.83
9% OFF Phone Price : $10.83
In Stock
Lawn Vacuum Chipper/shredder Retainer Clip 781-0735
#27

Frame diagram

Lawn vacuum chipper/shredder retainer clip

Part #781-0735

This item is not returnable
$6.55
13% OFF Phone Price : $7.55
In Stock
Wing Nut 712-0397
#10

Handle/bag diagram

Wing nut

Part #712-0397

Replaced by #712-0397A

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Manufacturer substitution
This part replaces 712-0397. Substitute parts can look different from the original.
This item is not returnable
$5.22
16% OFF Phone Price : $6.22
Back Order
Chute Assembly 631-0090
#35

Handle/bag diagram

Chute assembly

Part #631-0090

Replaced by #OEM-290-012

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Manufacturer substitution
This part replaces 631-0090. Substitute parts can look different from the original.
$106.02
10% OFF Phone Price : $118.02
In Stock
Lawn & Garden Equipment Screw 710-1054
#21

Frame diagram

Lawn & garden equipment screw

Part #710-1054

Replaced by #710-1054

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Manufacturer substitution
This part replaces 710-1054. Substitute parts can look different from the original.
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Carriage Bolt (replaces 1186069, 583108, 706-101080, 706-10602-12, 791-182213) 710-0703
#11

Handle/bag diagram

Lawn & garden equipment carriage bolt (replaces 1186069, 583108, 706-101080, 706-10602-12, 791-182213)

Part #710-0703

This item is not returnable
$6.46
13% OFF Phone Price : $7.46
Back Order
Lawn Tractor Hex Bolt 710-3008
#11

Frame diagram

Lawn tractor hex bolt

Part #710-3008

This item is not returnable
$4.62
18% OFF Phone Price : $5.62
In Stock
Switch Cover 731-1613
#40

Frame diagram

Switch cover

Part #731-1613

Replaced by #731-1613

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Manufacturer substitution
This part replaces 731-1613. Substitute parts can look different from the original.
This item is not returnable
In Stock

Symptoms for gas walk-behind mowers

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

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

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

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

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

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

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

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.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

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

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty
Time required
 15 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.

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.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…