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MTD 12A-979L401 gas lawn mower Parts
Here are the diagrams and repair parts for MTD 12A-979L401 gas lawn mower, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for12A-979L401 Walk-Behind Mowers
Handle
Part #749-0907Replaced by #749-0907B-0637
Manufacturer substitutionThis part replaces 749-0907. Substitute parts can look different from the original.In Stock$76.98
Qty
Throttle Body
Part #646-0875Replaced by #946-0875
Manufacturer substitutionThis part replaces 646-0875. Substitute parts can look different from the original.This item is not returnableIn Stock$14.49QtyTransaxle assembly diagram
Cable Clamp
Part #751B213146Replaced by #690798
Manufacturer substitutionThis part replaces 751B213146. Substitute parts can look different from the original.In Stock$32.43QtyPulley assembly diagram
Sleeve Spacer
Part #750-1070Replaced by #950-1070
Manufacturer substitutionThis part replaces 750-1070. Substitute parts can look different from the original.In Stock$33.08QtyCntrl Box Th
Part #811-00303Replaced by #811-0185
Manufacturer substitutionThis part replaces 811-00303. Substitute parts can look different from the original.In Stock$44.53QtyHandles e979 diagram
Charger
Part #725-0727Replaced by #925-0727
Manufacturer substitutionThis part replaces 725-0727. Substitute parts can look different from the original.In Stock$94.11QtyTransaxle assembly diagram
Spacer
Part #750-0151Replaced by #950-0151
Manufacturer substitutionThis part replaces 750-0151. Substitute parts can look different from the original.This item is not returnableIn Stock$16.1511% OFF Phone Price : $18.15
QtyPulley assembly diagram
Wave Washer
Part #736-0526Replaced by #936-0526
Manufacturer substitutionThis part replaces 736-0526. Substitute parts can look different from the original.In Stock$10.9815% OFF Phone Price : $12.98QtyPulley assembly diagram
Hex Screw
Part #738-0924Replaced by #738-0924A
Manufacturer substitutionThis part replaces 738-0924. Substitute parts can look different from the original.This item is not returnableIn Stock$12.4014% OFF Phone Price : $14.40QtyTransaxle assembly diagram
Chain Axle
Part #682-7526Replaced by #682-7526-0637
Manufacturer substitutionThis part replaces 682-7526. Substitute parts can look different from the original.In Stock$161.957% OFF Phone Price : $173.95Qty
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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