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MTD 12A-764M099 gas walk behind lawn mower Parts
Here are the diagrams and repair parts for MTD 12A-764M099 gas walk behind lawn mower, as well as links to manuals and error code tables, if available.
Owner’s manual
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By Part
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Browse Parts for 12A-764M099 Walk-Behind Mowers
Spur Gear
Part #TC-778338Replaced by #778338
Manufacturer substitutionThis part replaces TC-778338. Substitute parts can look different from the original.In Stock$21.94
Qty
Transaxle diagram
Bevel (30t) And Spur Gear
Part #TC-778333Replaced by #778333
Manufacturer substitutionThis part replaces TC-778333. Substitute parts can look different from the original.In Stock$36.36QtyDeck/wheels diagram
Spindle Assembly
Part #918-04438BReplaced by #918-04438C
Manufacturer substitutionThis part replaces 918-04438B. Substitute parts can look different from the original.In Stock$283.39$12.00 OFF Phone Price : $295.39
QtyTransaxle diagram
Spur Gear
Part #TC-778364Replaced by #778364
Manufacturer substitutionThis part replaces TC-778364. Substitute parts can look different from the original.In Stock$27.89QtyHandles/frame diagram
Lawn Tractor Shoulder Screw
Part #938-0140Replaced by #738-0140
Manufacturer substitutionThis part replaces 938-0140. Substitute parts can look different from the original.In Stock$32.65QtyTransaxle diagram
Ring Extension Retainer
Part #TC-788040Replaced by #788040
Manufacturer substitutionThis part replaces TC-788040. Substitute parts can look different from the original.This item is not returnableIn Stock$4.37QtyHandles/frame diagram
Lawn Tractor Deck Lift Shaft Assembly
Part #687-02419-0637Replaced by #753-11476
Manufacturer substitutionThis part replaces 687-02419-0637. Substitute parts can look different from the original.In Stock$160.82QtyDeck/wheels diagram
Lawn Mower Spindle Assembly
Part #918-04439BReplaced by #918-04439C
Manufacturer substitutionThis part replaces 918-04439B. Substitute parts can look different from the original.In Stock$213.135% OFF Phone Price : $225.13QtyTransaxle diagram
Spring
Part #TC-792079Replaced by #792079
Manufacturer substitutionThis part replaces TC-792079. Substitute parts can look different from the original.This item is not returnableIn Stock$3.8521% OFF Phone Price : $4.85QtyTransaxle diagram
Bushing
Part #TC-780197Replaced by #780197
Manufacturer substitutionThis part replaces TC-780197. Substitute parts can look different from the original.This item is not returnableIn Stock$5.2016% OFF Phone Price : $6.20Qty
RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES
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$15.86
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Height Label
In Stock
$36.24
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Most common symptoms to help you fix your walk-behind mowers
Choose a symptom to see related walk-behind mower repairs.
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…
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: 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…
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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