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Model # 11A-546A766 Official Troybilt 21" mulching lawn mower
Here are the diagrams and repair parts for Official Troybilt 11A-546A766 21" mulching lawn mower, as well as links to manuals and error code tables, if available.
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11A-546A766 Walk-Behind Mowers
#56
Mower assembly diagram
Blade-21" mu
Part #742-0741
Replaced by #942-0741A
?
Manufacturer substitution
This part replaces 742-0741. Substitute parts can look different from the original.
Get free shipping with Automatic Reorder
$27.71 |
18% OFF Phone Price : $33.71
In Stock
#57
Mower assembly diagram
Bell support
Part #736-0524A
Replaced by #736-0524B-1
?
Manufacturer substitution
This part replaces 736-0524A. Substitute parts can look different from the original.
Get free shipping with Automatic Reorder
$6.58 |
13% OFF Phone Price : $7.58
In Stock
#29
Mower assembly diagram
Lawn tractor screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599)
Part #710-0599
This item is not returnable
$4.91 |
17% OFF Phone Price : $5.91
In Stock
#52
Mower assembly diagram
Hinge pin
Part #747-0710
Replaced by #747-0710A
?
Manufacturer substitution
This part replaces 747-0710. Substitute parts can look different from the original.
This item is not returnable
$4.76 |
17% OFF Phone Price : $5.76
In Stock
#45
Mower assembly diagram
Wing nut
Part #712-0397
Replaced by #712-0397A
?
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
In Stock
#34
Mower assembly 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
In Stock
#32
Mower assembly diagram
Yard machines lawn & garden equipment screw
Part #710-1017
This item is not returnable
$12.71 |
14% OFF Phone Price : $14.71
In Stock
#6
Mower assembly 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
In Stock
#65
Mower assembly diagram
Lawn mower deflector shield (replaces 931-04177)
Part #731-04177
This item is not returnable
$25.96 |
19% OFF Phone Price : $31.96
In Stock
#13
Mower assembly diagram
Grsbg 21" 40
Part #664-04011
Replaced by #964-04007A
?
Manufacturer substitution
This part replaces 664-04011. Substitute parts can look different from the original.
$143.25 |
8% OFF Phone Price : $155.25
In Stock
Symptoms for gas walk-behind mowers
Choose a symptom to see related walk-behind mower repairs.
Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…
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: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…
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
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 drive cable
The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…
Repair difficulty
Time required
60 minutes or less
How to replace a lawn mower starter rope
These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…
Repair difficulty
Time required
30 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.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…