Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

MTD 21AS122R799 2-cycle gas cultivator Parts

Here are the diagrams and repair parts for MTD 21AS122R799 2-cycle gas cultivator, as well as links to manuals and error code tables, if available.

MTD 21AS122R799 2-cycle gas cultivator
By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for 21AS122R799 2-Cycle Gas Cultivator

  • Shaft Housing for MTD 21AS122R799 - Part 791-180943

    Cultivator/boom parts diagram

    Shaft Housing

    Part #791-180943

    The manufacturer no longer makes this part, and there's no substitute part

  • Roller Axle for MTD 21AS122R799 - Part 753-04797

    Cultivator/boom parts diagram

    Roller Axle

    Part #753-04797

    The manufacturer no longer makes this part, and there's no substitute part

  • Tine for MTD 21AS122R799 - Part 753-04069

    Cultivator/boom parts diagram

    Tine

    Part #753-04069

    The manufacturer no longer makes this part, and there's no substitute part

  • Clamp for MTD 21AS122R799 - Part 791-181812

    Cultivator/boom parts diagram

    Clamp

    Part #791-181812

    The manufacturer no longer makes this part, and there's no substitute part

  • Mount Pad for MTD 21AS122R799 - Part 791-612134

    Engine parts diagram

    Mount Pad

    Part #791-612134

    The manufacturer no longer makes this part, and there's no substitute part

  • Filter for MTD 21AS122R799 - Part 791-180350B

    Engine parts diagram

    Filter

    Part #791-180350B

    The manufacturer no longer makes this part, and there's no substitute part

  • Screw for MTD 21AS122R799 - Part 791-181345

    Engine parts diagram

    Screw

    Part #791-181345

    The manufacturer no longer makes this part, and there's no substitute part

  • Bolt for MTD 21AS122R799 - Part 791-182899

    Cultivator/boom parts diagram

    Bolt

    Part #791-182899

    The manufacturer no longer makes this part, and there's no substitute part

  • Crank Case Service Assembly (includes 8 And 21) for MTD 21AS122R799 - Part 753-04704

    Engine parts diagram

    Crank Case Service Assembly (includes 8 And 21)

    Part #753-04704

    The manufacturer no longer makes this part, and there's no substitute part

  • Guard for MTD 21AS122R799 - Part 753-04708

    Cultivator/boom parts diagram

    Guard

    Part #753-04708

    The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas 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

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

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

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

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

How to fix a pull cord stuck after tipping mower

How to fix a pull cord stuck after tipping mower

Pull cord stuck after tipping your mower? You might’ve locked the engine. This video shows how to fix a lawn mower pull …

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

How to winterize a lawn mower

How to winterize a lawn mower

Your lawn mower will last longer and run better if you take these steps before storing it for winter.…

Parts & More

Central Air Conditioner
Countertop Microwave
Dehumidifier
Dishwasher
Dryer
Front-Engine Lawn Tractor
Gas Range
Outdoor Grill
Parts
Range
Refrigerator
Side-By-Side Refrigerator
Washer
Water Softener