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Model # 680543 Official Lawn-Boy lawn mower
Here are the diagrams and repair parts for Official Lawn-Boy 680543 lawn mower, as well as links to manuals and error code tables, if available.
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680543 Walk-Behind Mowers
Tie strap
Part #614249
Replaced by #614249
?
Manufacturer substitution
This part replaces 614249. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
#51
Engine group diagram
Retainer
Part #611213
Replaced by #611213
?
Manufacturer substitution
This part replaces 611213. Substitute parts can look different from the original.
This item is not returnable
$3.86
In Stock
#10
Rear grass catcher group diagram
Adapter a'y
Part #684166
Replaced by #684727-03
?
Manufacturer substitution
This part replaces 684166. Substitute parts can look different from the original.
$179.22
In Stock
#NI
All parts diagram
Throttle kit
Part #684286
Replaced by #684286
?
Manufacturer substitution
This part replaces 684286. Substitute parts can look different from the original.
$91.51
In Stock
#NI
All parts diagram
Bag
Part #684333
Replaced by #100-6362
?
Manufacturer substitution
This part replaces 684333. Substitute parts can look different from the original.
$217.11
In Stock
#35
Housing and shroud group diagram
Toe bar
Part #608175
Replaced by #608175
?
Manufacturer substitution
This part replaces 608175. Substitute parts can look different from the original.
$113.12
In Stock
#8
Housing and shroud group diagram
Muffler screw
Part #607601
Replaced by #607601
?
Manufacturer substitution
This part replaces 607601. Substitute parts can look different from the original.
This item is not returnable
$6.94
In Stock
#32
Housing and shroud group diagram
Belt, 21-in
Part #683682
Replaced by #612543-03
?
Manufacturer substitution
This part replaces 683682. Substitute parts can look different from the original.
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$31.17 |
16% OFF Phone Price : $37.17
In Stock
#31
Housing and shroud group diagram
Collar plate
Part #677525
Replaced by #677525
?
Manufacturer substitution
This part replaces 677525. Substitute parts can look different from the original.
$30.89
In Stock
#3
Engine group diagram
Nut
Part #130743
Replaced by #130743
?
Manufacturer substitution
This part replaces 130743. Substitute parts can look different from the original.
This item is not returnable
$5.29
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
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
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
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.

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

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

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