Gas Walk-Behind Mower

Model # 126E458S302 Official MTD lawn mower

Here are the diagrams and repair parts for Official MTD 126E458S302 lawn mower, as well as links to manuals and error code tables, if available.

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126E458S302 Walk-Behind Mowers
Yard Machines Lawn & Garden Equipment Hex Bolt, 3/8-24 X 1-1/2-in (replaces 910-1044) 710-1044
#33

Handle/deck/blade/bag diagram

Yard machines lawn & garden equipment hex bolt, 3/8-24 x 1-1/2-in (replaces 910-1044)

Part #710-1044

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$5.33
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Lawn Tractor Screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599) 710-0599
#2

Belt cover/wheel/idler diagram

Lawn tractor screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599)

Part #710-0599

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$4.91
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Yard Machines Lawn & Garden Equipment Wing Nut (replaces 01002925, 920-0279) 720-0279
#3

Handle/deck/blade/bag diagram

Yard machines lawn & garden equipment wing nut (replaces 01002925, 920-0279)

Part #720-0279

This item is not returnable
$6.87
13% OFF Phone Price : $7.87
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Yard Machines Lawn & Garden Equipment Guide Bolt 710-1205
#2

Handle/deck/blade/bag diagram

Yard machines lawn & garden equipment guide bolt

Part #710-1205

This item is not returnable
$5.01
17% OFF Phone Price : $6.01
In Stock
Lawn & Garden Equipment Self-tapping Screw 710-0726
#69

Handle/deck/blade/bag diagram

Lawn & garden equipment self-tapping screw

Part #710-0726

Replaced by #710-0726

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Manufacturer substitution
This part replaces 710-0726. Substitute parts can look different from the original.
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
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Sears Lawn & Garden Equipment Bell Washer 736-0331
#43

Belt cover/wheel/idler diagram

Sears lawn & garden equipment bell washer

Part #736-0331

This item is not returnable
$4.91
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Toro Lawn & Garden Equipment Lock Washer (replaces 936-0169) 736-0169
#37

Handle/deck/blade/bag diagram

Toro lawn & garden equipment lock washer (replaces 936-0169)

Part #736-0169

This item is not returnable
In Stock
Yard Machines Lawn & Garden Equipment Cupped Washer 736-0270
Yard machines lawn & garden equipment cupped washer

Part #736-0270

This item is not returnable
$5.10
16% OFF Phone Price : $6.10
In Stock
Cable Tie 726-0240
#14

Handle/deck/blade/bag diagram

Cable tie

Part #726-0240

Replaced by #726-0178

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Manufacturer substitution
This part replaces 726-0240. Substitute parts can look different from the original.
This item is not returnable
In Stock
Yard Machines Lawn & Garden Equipment Bolt 710-1174
#4

Handle/deck/blade/bag diagram

Yard machines lawn & garden equipment bolt

Part #710-1174

This item is not returnable
$10.97
15% OFF Phone Price : $12.97
In Stock

Symptoms for gas walk-behind mowers

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

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

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

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

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…

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

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 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…

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. …

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…

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.

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.…

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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