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MTD 520-MOWER gas lawn mower Parts
Here are the diagrams and repair parts for MTD 520-MOWER gas lawn mower, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for 520-MOWER Walk-Behind Mowers
22" blade/22" deck/handle diagram
Knob
Part #720-0190Replaced by #731-13116-1
Manufacturer substitutionThis part replaces 720-0190. Substitute parts can look different from the original.This item is not returnableIn Stock$44.09
Qty
Nut
Part #712-0431Replaced by #912-0431
Manufacturer substitutionThis part replaces 712-0431. Substitute parts can look different from the original.This item is not returnableIn Stock$8.9410% OFF Phone Price : $9.94
QtyHandle Knob
Part #720-0276Replaced by #920-0276
Manufacturer substitutionThis part replaces 720-0276. Substitute parts can look different from the original.This item is not returnableIn Stock$6.7713% OFF Phone Price : $7.77QtySelf-propelled mower diagram
Lawn Mower Height Adjuster Knob
Part #720-0426Replaced by #731-13116-1
Manufacturer substitutionThis part replaces 720-0426. Substitute parts can look different from the original.This item is not returnableIn Stock$44.09QtyBlade-22-sta
Part #742-0642Replaced by #942-0642A
Manufacturer substitutionThis part replaces 742-0642. Substitute parts can look different from the original.In Stock$36.0014% OFF Phone Price : $42.00QtyPlate
Part #15261AReplaced by #787-01290A
Manufacturer substitutionThis part replaces 15261A. Substitute parts can look different from the original.In Stock$22.17QtySelf-propelled mower diagram
Cable 37.37
Part #746-1113Replaced by #946-1113A
Manufacturer substitutionThis part replaces 746-1113. Substitute parts can look different from the original.In Stock$28.2718% OFF Phone Price : $34.27QtySelf-propelled mower diagram
Shoulder Screw
Part #738-1127Replaced by #738-1127B
Manufacturer substitutionThis part replaces 738-1127. Substitute parts can look different from the original.In Stock$13.34QtySelf-propelled mower diagram
Control Cable
Part #746-04048Replaced by #946-04048A
Manufacturer substitutionThis part replaces 746-04048. Substitute parts can look different from the original.In Stock$47.0511% OFF Phone Price : $53.05Qty22" deck/22" blade/handle diagram
Spacer
Part #750-0192Replaced by #748-0192
Manufacturer substitutionThis part replaces 750-0192. Substitute parts can look different from the original.In Stock$14.14Qty
RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES
Hex Patch
In Stock
$11.43
Qty
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
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
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
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.
Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…
Learn about the top 10 must-have electric lawn & garden tools for 2023…
Learn about the different kinds of mower blades and how to maintain them.…
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