Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

Lawn-Boy 680543 lawn mower Parts

Here are the diagrams and repair parts for Lawn-Boy 680543 lawn mower, as well as links to manuals and error code tables, if available.

Lawn-Boy 680543 lawn mower
By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for680543 Walk-Behind Mowers

  • Toro Spring for Lawn-Boy 680543 - Part 611211

    Engine group diagram

    Spring

    Part #611211

    Replaced by #611211

    Info Icon
    Manufacturer substitution
    This part replaces 611211. Substitute parts can look different from the original.
    In Stock
    $52.44
    Minus Item
    Qty
    Plus Item
  • Toro Lawn-boy Upper Main B for Lawn-Boy 680543 - Part 681830

    Engine group diagram

    Upper Main B

    Part #681830

    Replaced by #681830

    Info Icon
    Manufacturer substitution
    This part replaces 681830. Substitute parts can look different from the original.
    In Stock
    $111.96
    Minus Item
    Qty
    Plus Item
  • Toro Screw for Lawn-Boy 680543 - Part 605522

    Carburetor group diagram

    Screw

    Part #605522

    Replaced by #605522

    Info Icon
    Manufacturer substitution
    This part replaces 605522. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.20
    Minus Item
    Qty
    Plus Item
  • Toro Lawn Mower Screw for Lawn-Boy 680543 - Part 612507

    Carburetor group diagram

    Screw

    Part #612507

    Replaced by #612507

    Info Icon
    Manufacturer substitution
    This part replaces 612507. Substitute parts can look different from the original.
    In Stock
    $34.19
    Minus Item
    Qty
    Plus Item
  • Toro Bolt for Lawn-Boy 680543 - Part 610646

    Housing and shroud group diagram

    Bolt

    Part #610646

    Replaced by #610646

    Info Icon
    Manufacturer substitution
    This part replaces 610646. Substitute parts can look different from the original.
    In Stock
    $37.41
    Minus Item
    Qty
    Plus Item
  • Toro Lawn-boy Lawn Mower Screw for Lawn-Boy 680543 - Part 609471

    Housing and shroud group diagram

    Screw

    Part #609471

    Replaced by #609471

    Info Icon
    Manufacturer substitution
    This part replaces 609471. Substitute parts can look different from the original.
    In Stock
    $31.90
    Minus Item
    Qty
    Plus Item
  • Crankshaft for Lawn-Boy 680543 - Part 610747

    Engine group diagram

    Crankshaft

    Part #610747

    The manufacturer no longer makes this part, and there's no substitute part

  • Piston Ring for Lawn-Boy 680543 - Part 682986

    Engine group diagram

    Piston Ring

    Part #682986

    The manufacturer no longer makes this part, and there's no substitute part

  • Rope for Lawn-Boy 680543 - Part 612432

    Starter group diagram

    Rope

    Part #612432

    The manufacturer no longer makes this part, and there's no substitute part

  • Nut for Lawn-Boy 680543 - Part 603773

    Housing and shroud group diagram

    Nut

    Part #603773

    The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your 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: 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...

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

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...

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 front deck tray

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged....

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels....

Repair time and Difficulty

 60 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 time and Difficulty

 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.

The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o...

Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

Learn about the top 10 must-have electric lawn & garden tools for 2023...

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....

Parts & More

Band Saw
Canister Vacuum
Chipper/Shredder
Countertop Microwave
Cycling
Dishwasher
Dryer
Gas Range
Gas Walk-Behind Mower
Generator
Parts
Power Sander
Range
Range Hood
Rear-Engine Riding Mower
Refrigerator
Router
Side-By-Side Refrigerator