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 21AA415A731 rear-tine tiller Parts

Here are the diagrams and repair parts for MTD 21AA415A731 rear-tine tiller, as well as links to manuals and error code tables, if available.

MTD 21AA415A731 rear-tine tiller
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for 21AA415A731 Tillers

  • Frame Counterweight for MTD 21AA415A731 - Part 619-0009A

    Tine/wheels diagram

    Frame Counterweight

    Part #619-0009A

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

  • Jackshaft Shaft for MTD 21AA415A731 - Part 738-0884

    Gear case diagram

    Jackshaft Shaft

    Part #738-0884

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

  • Pipe Drain 1 for MTD 21AA415A731 - Part 737-0298

    Tine/wheels diagram

    Pipe Drain 1

    Part #737-0298

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

  • Spacer for MTD 21AA415A731 - Part 750-0936

    Gear case diagram

    Spacer

    Part #750-0936

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

  • Clutch Collar for MTD 21AA415A731 - Part 718-0234

    Gear case diagram

    Clutch Collar

    Part #718-0234

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

  • Tine Assembly, Right for MTD 21AA415A731 - Part 642-0016

    Tine/wheels diagram

    Tine Assembly, Right

    Part #642-0016

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

  • Retainer Ring for MTD 21AA415A731 - Part 716-0235

    Gear case diagram

    Retainer Ring

    Part #716-0235

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

  • Cable Clip for MTD 21AA415A731 - Part 726-0330

    Shield & handle diagram

    Cable Clip

    Part #726-0330

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

  • Control Assembly for MTD 21AA415A731 - Part 647-0014

    Shield & handle diagram

    Control Assembly

    Part #647-0014

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

  • Cable Bracket for MTD 21AA415A731 - Part 786-0107

    Tine/wheels diagram

    Cable Bracket

    Part #786-0107

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

Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

Main causes: leaky engine head gasket, damaged sump gasket, damaged oil drain plug seal, loose or cracked fuel line, lea…

Main causes: dirty carburetor, engine needs tune up, stale gas…

Main causes: carburetor failure, bad gasoline, dirty spark plug, broken recoil starter…

Main causes: broken shaft clevis pins, transmission failure…

Main causes: damaged tines, broken clevis pins, worn drive belt, faulty transmission, clutch cable problems, improper de…

Main causes: clutch cable problems, faulty transmission…

Main causes: worn or broken drive belts, bad transmission, clutch cable problems…

Most common repair guides to help fix your tillers

These step-by-step repair guides will help you safely fix what’s broken on your tiller.

How to replace a tiller recoil starter

How to replace a tiller recoil starter

The recoil starter spins the engine when you pull the starter rope, and the rope retracts when released. If the recoil s…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your tillers

Use the advice and tips in these articles and videos to get the most out of your tiller.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

This chart will help you find the right carburetor for your Craftsman snowblower, tiller or log splitter.…

Tiller common questions

Tiller common questions

These frequently asked questions might help you figure out what's wrong with your garden tiller.…

Parts & More

Air Conditioner
Dryer
Electric Wall Oven
Front-Engine Lawn Tractor
Gas Range
Laundry Center
Painting Power Tool
Parts
Room Air Conditioner