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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 manualBy Schematic
By Part
SELECT DIAGRAM
Browse Parts for 520-MOWER Walk-Behind Mowers
Self-propelled mower diagram
Lawn Mower Wheel, Rear, 14-in
Part #734-1864Replaced by #734-04030
Manufacturer substitutionThis part replaces 734-1864. Substitute parts can look different from the original.In Stock$142.90
Qty
Upper and lower housing diagram
Flat Washer
Part #736-0336Replaced by #936-0336
Manufacturer substitutionThis part replaces 736-0336. Substitute parts can look different from the original.This item is not returnableIn Stock$8.20QtyLever
Part #731-0620Replaced by #731-0620A
Manufacturer substitutionThis part replaces 731-0620. Substitute parts can look different from the original.In Stock$28.46QtyBlade-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 : $42.00
QtySelf-propelled mower diagram
Blade Adapter
Part #748-04016Replaced by #748-04016A
Manufacturer substitutionThis part replaces 748-04016. Substitute parts can look different from the original.In Stock$70.998% OFF Phone Price : $76.99Qty22" deck/22" blade/handle diagram
Height Adjustment
Part #14579Replaced by #753-06761
Manufacturer substitutionThis part replaces 14579. Substitute parts can look different from the original.In Stock$93.78Qty22" blade/22" deck/handle diagram
Lawn & Garden Equipment Self-tapping Screw
Part #710-0726Replaced by #710-0726
Manufacturer substitutionThis part replaces 710-0726. Substitute parts can look different from the original.This item is not returnableIn Stock$5.6415% OFF Phone Price : $6.64QtyHex Nut
Part #712-0267Replaced by #712-3010
Manufacturer substitutionThis part replaces 712-0267. Substitute parts can look different from the original.In Stock$55.5910% OFF Phone Price : $61.59Qty22" blade/22" deck/handle diagram
Screw C Sun
Part #710-1667Replaced by #710-1667A
Manufacturer substitutionThis part replaces 710-1667. Substitute parts can look different from the original.This item is not returnableIn Stock$6.40QtySelf-propelled mower diagram
Flat Washer
Part #736-3013Replaced by #936-3013
Manufacturer substitutionThis part replaces 736-3013. Substitute parts can look different from the original.This item is not returnableIn Stock$7.63Qty
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…
See a comparison of cordless lawn mowers and gas mowers so you can decide which is best for you.…
Learn about a new feature added to the Search Bar on Sears PartsDirect…
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