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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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Browse Parts for 12A-764M099 Walk-Behind Mowers
Transaxle diagram
Thrust Washer
Part #TC-780090Replaced by #780090
Manufacturer substitutionThis part replaces TC-780090. Substitute parts can look different from the original.This item is not returnableIn Stock$4.37
Qty
Transaxle diagram
Drive Pin
Part #TC-786188Replaced by #786188
Manufacturer substitutionThis part replaces TC-786188. Substitute parts can look different from the original.In Stock$26.42QtyDeck/wheels diagram
Lawn & Garden Equipment Hex Screw
Part #710-04187Replaced by #710-04187A
Manufacturer substitutionThis part replaces 710-04187. Substitute parts can look different from the original.This item is not returnableIn Stock$14.2112% OFF Phone Price : $16.21
QtyHandles/frame diagram
Fuel Tank Bracket
Part #787-01507-4044Replaced by #787-01507B-4044
Manufacturer substitutionThis part replaces 787-01507-4044. Substitute parts can look different from the original.In Stock$27.73QtyTransaxle diagram
Gear-spur
Part #TC-778330Replaced by #778330
Manufacturer substitutionThis part replaces TC-778330. Substitute parts can look different from the original.In Stock$27.3118% OFF Phone Price : $33.31QtyTransaxle diagram
Ring Gear
Part #TC-778370Replaced by #778370
Manufacturer substitutionThis part replaces TC-778370. Substitute parts can look different from the original.In Stock$41.27QtyTransaxle diagram
Washer .563" Id .062
Part #TC-780189Replaced by #780189
Manufacturer substitutionThis part replaces TC-780189. Substitute parts can look different from the original.This item is not returnableIn Stock$4.40QtyHandles/frame diagram
Lawn Mower Shoulder Screw
Part #938-1225Replaced by #738-1225
Manufacturer substitutionThis part replaces 938-1225. Substitute parts can look different from the original.In Stock$34.14QtyTransaxle diagram
Spacer
Part #TC-786187Replaced by #786187
Manufacturer substitutionThis part replaces TC-786187. Substitute parts can look different from the original.This item is not returnableIn Stock$4.40QtyTransaxle diagram
Spur Gear
Part #TC-778313Replaced by #778313
Manufacturer substitutionThis part replaces TC-778313. Substitute parts can look different from the original.This item is not returnableIn Stock$16.54Qty
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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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