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 21AB45M5099 rear-tine tiller Parts

Here are the diagrams and repair parts for MTD 21AB45M5099 rear-tine tiller, as well as links to manuals and error code tables, if available.

MTD 21AB45M5099 rear-tine tiller
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for 21AB45M5099 Tillers

  • Tiller Bearing for MTD 21AB45M5099 - Part 941-0420B

    Gear case diagram

    Tiller Bearing

    Part #941-0420

    Replaced by #941-0420B

    Info Icon
    Manufacturer substitution
    This part replaces 941-0420. Substitute parts can look different from the original.
    In Stock
    $47.18
    Minus Item
    Qty
    Plus Item
  • Mtd Tiller Gear Case Shaft Spur Gear, 44-tooth for MTD 21AB45M5099 - Part 717-1582B

    Gear case diagram

    Tiller Gear Case Shaft Spur Gear, 44-tooth

    Part #717-1582A

    Replaced by #717-1582B

    Info Icon
    Manufacturer substitution
    This part replaces 717-1582A. Substitute parts can look different from the original.
    In Stock
    $92.11
    35% OFF Was : $141.39Info Icon
    Minus Item
    Qty
    Plus Item
  • Tiller Input Shaft for MTD 21AB45M5099 - Part 711-1349B

    Gear case diagram

    Tiller Input Shaft

    Part #711-1349A

    Replaced by #711-1349B

    Info Icon
    Manufacturer substitution
    This part replaces 711-1349A. Substitute parts can look different from the original.
    In Stock
    $111.14
    Minus Item
    Qty
    Plus Item
  • Mtd Tiller Screw for MTD 21AB45M5099 - Part 710-0513A

    Engine/wheels diagram

    Hex Head Cap

    Part #710-0513

    Replaced by #710-0513A

    Info Icon
    Manufacturer substitution
    This part replaces 710-0513. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.46
    Minus Item
    Qty
    Plus Item
  • Tiller Bearing for MTD 21AB45M5099 - Part 741-0421B

    Gear case diagram

    Tiller Bearing

    Part #741-0421

    Replaced by #741-0421B

    Info Icon
    Manufacturer substitution
    This part replaces 741-0421. Substitute parts can look different from the original.
    In Stock
    $30.40
    Minus Item
    Qty
    Plus Item
  • Tiller Tine Shaft for MTD 21AB45M5099 - Part 611-0021A

    Gear case diagram

    Tiller Tine Shaft

    Part #611-0021

    Replaced by #611-0021A

    Info Icon
    Manufacturer substitution
    This part replaces 611-0021. Substitute parts can look different from the original.
    In Stock
    $142.19
    12% OFF Was : $161.12Info Icon
    Minus Item
    Qty
    Plus Item
  • Kmart Tiller Tine Adapter Plate for MTD 21AB45M5099 - Part 784-0160-0637

    Engine/wheels diagram

    Adapter Assembly

    Part #984-0160-0637

    Replaced by #784-0160-0637

    Info Icon
    Manufacturer substitution
    This part replaces 984-0160-0637. Substitute parts can look different from the original.
    In Stock
    $120.16
    9% OFF Phone Price : $132.16Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Knob for MTD 21AB45M5099 - Part 712-0421

    Handle/tine shield diagram

    Tiller Wing Nut

    Part #712-0421

    Replaced by #712-0421

    Info Icon
    Manufacturer substitution
    This part replaces 712-0421. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.90
    26% OFF Phone Price : $3.90Info Icon
    Minus Item
    Qty
    Plus Item
  • Tiller Transmission Assembly for MTD 21AB45M5099 - Part 986-04074B

    Gear case diagram

    Tiller Transmission Assembly

    Part #986-04074B

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

  • Case Assembly for MTD 21AB45M5099 - Part 986-04074A

    Engine/wheels diagram

    Case Assembly

    Part #986-04074A

    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

Dishwasher
Gas Grill
Lawn Edger
Miter Saw
Parts
Rear-Tine Tiller
Side-By-Side Refrigerator
Top-Mount Refrigerator
Toys & Games