Free standard ground shipping within the 48 contiguous states with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Please enter one or more characters
Scan Icon
Tips to find your model number
Water filters
Water filter finder tool
DIY help
Featured products
Top brands
View all parts by brand
Top products and services
Products by brand
Orders
Customer Service
Schedule a repair

MTD 21AA404D299 rear-tine tiller Parts

Here are the diagrams and repair parts for MTD 21AA404D299 rear-tine tiller, as well as links to manuals and error code tables, if available.

MTD 21AA404D299 rear-tine tiller
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for21AA404D299 Tillers

  • Bail for MTD 21AA404D299 - Part 747-04789A-0637

    Handle/shield/engine diagram

    Clutch Bail

    Part #747-04789-0637

    Replaced by #747-04789A-0637

    Info Icon
    Manufacturer substitution
    This part replaces 747-04789-0637. Substitute parts can look different from the original.
    In Stock
    $66.47
    Minus Item
    Qty
    Plus Item
  • Upper Handle for MTD 21AA404D299 - Part 649-04098B-4044

    Handle/shield/engine diagram

    Upper Handle Assembly

    Part #649-04098A

    Replaced by #649-04098B-4044

    Info Icon
    Manufacturer substitution
    This part replaces 649-04098A. Substitute parts can look different from the original.
    In Stock
    $189.32
    Minus Item
    Qty
    Plus Item
  • Kmart Bracket for MTD 21AA404D299 - Part 786-04363-4044

    Handle/shield/engine diagram

    Lh Tail Bracket

    Part #786-04363

    Replaced by #786-04363-4044

    Info Icon
    Manufacturer substitution
    This part replaces 786-04363. Substitute parts can look different from the original.
    In Stock
    $57.61
    Minus Item
    Qty
    Plus Item
  • Mtd Push Cap for MTD 21AA404D299 - Part 726-0106

    Handle/shield/engine diagram

    Lawn & Garden Equipment Push Cap Nut

    Part #926-0106

    Replaced by #726-0106

    Info Icon
    Manufacturer substitution
    This part replaces 926-0106. Substitute parts can look different from the original.
    In Stock
    $30.13
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Screw for MTD 21AA404D299 - Part 710-1238A

    Lawn & Garden Equipment Screw

    Part #710-1238

    Replaced by #710-1238A

    Info Icon
    Manufacturer substitution
    This part replaces 710-1238. Substitute parts can look different from the original.
    In Stock
    $30.75
    Minus Item
    Qty
    Plus Item
  • Bell Washer for MTD 21AA404D299 - Part 736-0452

    Wheels/drive diagram

    Lawn & Garden Equipment Bell Washer

    Part #936-0452

    Replaced by #736-0452

    Info Icon
    Manufacturer substitution
    This part replaces 936-0452. Substitute parts can look different from the original.
    In Stock
    $31.24
    Minus Item
    Qty
    Plus Item
  • Frame-lh Til for MTD 21AA404D299 - Part 786-04415D-4044

    Wheels/drive diagram

    Frame

    Part #786-04415B-4044

    Replaced by #786-04415D-4044

    Info Icon
    Manufacturer substitution
    This part replaces 786-04415B-4044. Substitute parts can look different from the original.
    In Stock
    $60.61
    Minus Item
    Qty
    Plus Item
  • Plug:end for MTD 21AA404D299 - Part 735-04105A

    Handle/shield/engine diagram

    End Plug

    Part #735-04105

    Replaced by #735-04105A

    Info Icon
    Manufacturer substitution
    This part replaces 735-04105. Substitute parts can look different from the original.
    In Stock
    $32.52
    Minus Item
    Qty
    Plus Item
  • Frame-rh Til for MTD 21AA404D299 - Part 786-04416B-4044

    Wheels/drive diagram

    Frame

    Part #786-04416A-4044

    Replaced by #786-04416B-4044

    Info Icon
    Manufacturer substitution
    This part replaces 786-04416A-4044. Substitute parts can look different from the original.
    In Stock
    $60.96
    Minus Item
    Qty
    Plus Item
  • Cover Powder for MTD 21AA404D299 - Part 786-04392-0637

    Transmission diagram

    Transmission Cover

    Part #786-04392

    Replaced by #786-04392-0637

    Info Icon
    Manufacturer substitution
    This part replaces 786-04392. Substitute parts can look different from the original.
    In Stock
    $52.41
    Minus Item
    Qty
    Plus Item

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

High Pro Key 714-04059

High Pro Key

Part #714-04059
In Stock
$34.32
Minus Item
Qty
Plus Item

Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

View all

Why does my tiller's engine leak oil or gas?

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

Read more

Why does my tiller's engine run roughly or misfire?

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

Read more

Why won't my tiller's engine start?

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

Read more

Why do my tiller's wheels turn but the tines don't?

Main causes: broken shaft clevis pins, transmission failure...

Read more

Why does my tiller turn the soil poorly?

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

Read more

Why do my tiller's tines turn but the wheels don't?

Main causes: clutch cable problems, faulty transmission...

Read more

Why won't my tillers wheels or tines turn?

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

Read more

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.

View all
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...

Read more

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.

View all
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....

Read more
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....

Read more
Tiller common questions

Tiller common questions

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

Read more

Parts & More

Camera
Sony DSC-HX400V camera parts
Dishwasher
Shop Fisher & Paykel DD24DCHTX6V2-88606-A dishwasher partsShop KitchenAid KDFE104DSS2 dishwasher parts
Front-Engine Lawn Tractor
Shop Husqvarna YTH2148 front-engine lawn tractor partsShop Craftsman 917204080 front-engine lawn tractor partsShop Ariens 93604800 front-engine lawn tractor parts
Gas Grill
Kenmore 12216641901 gas grill parts
Gas Pressure Washer
Shop Briggs & Stratton 020228 gas pressure washer parts
Parts
Body B10097080HAPRefrigerator Electronic Control Board DA41-00316DRefrigerator Water Filter Head WP67004106Home Electronics Integrated Circuit EP84X0007Comfort Glow PartsSd Rc1079 180-089Cooktop Control Panel DG64-00616AHome Electronics PCB Assembly 131-0-4001-03652Plate,rect,2 182249Home Electronics Integrated Circuit 2369401
Side-By-Side Refrigerator
Shop Samsung RS25H5121SR/AA-00 side-by-side refrigerator parts
Treadmill
Shop Proform 831248550 treadmill parts