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
Troybilt 21A-645A063 rear-tine tiller

Troybilt 21A-645A063 rear-tine tiller Parts

Here are the diagrams and repair parts for Troybilt 21A-645A063 rear-tine tiller, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for 21A-645A063 Tillers

  • Ace Tiller Retainer Ring for Troybilt 21A-645A063 - Part 716-04104

    Shim/tiller shaft diagram

    Troy-bilt Retainer Ring

    Part #1909950

    Replaced by #716-04104

    Info Icon
    Manufacturer substitution
    This part replaces 1909950. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $29.53
    Minus Item
    Qty
    Plus Item
  • Torsion Spring for Troybilt 21A-645A063 - Part 732-04320

    Transmission assembly diagram

    Torsion Spring

    Part #GW-9384

    Replaced by #732-04320

    Info Icon
    Manufacturer substitution
    This part replaces GW-9384. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.09
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Hex Flange Screw for Troybilt 21A-645A063 - Part 710-04048

    Transmission assembly diagram

    Troy-bilt Screw

    Part #1186331

    Replaced by #710-04048

    Info Icon
    Manufacturer substitution
    This part replaces 1186331. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.77
    Minus Item
    Qty
    Plus Item
  • Ace Tiller Idler Pulley for Troybilt 21A-645A063 - Part 756-04170

    Belt cover/guard/engine bracket diagram

    Pulley

    Part #GW-9090

    Replaced by #756-04170

    Info Icon
    Manufacturer substitution
    This part replaces GW-9090. Substitute parts can look different from the original.
    In Stock
    $47.84
    11% OFF Phone Price : $53.84Info Icon
    Minus Item
    Qty
    Plus Item
  • High Pro Key for Troybilt 21A-645A063 - Part 714-04059

    Shim/tiller shaft diagram

    High Pro Key

    Part #GW-9305

    Replaced by #714-04059

    Info Icon
    Manufacturer substitution
    This part replaces GW-9305. Substitute parts can look different from the original.
    In Stock
    $12.46
    Minus Item
    Qty
    Plus Item
  • Troybilt Flat Washer for Troybilt 21A-645A063 - Part 736-04260

    Shim/tiller shaft diagram

    Shim

    Part #GW-1166-2

    Replaced by #736-04260

    Info Icon
    Manufacturer substitution
    This part replaces GW-1166-2. Substitute parts can look different from the original.
    In Stock
    $12.46
    Minus Item
    Qty
    Plus Item
  • Agri-fab Lawn & Garden Equipment Hex Bolt for Troybilt 21A-645A063 - Part 47600

    Belt cover/guard/engine bracket diagram

    Lawn & Garden Equipment Hex Bolt

    Part #710-0117

    Replaced by #47600

    Info Icon
    Manufacturer substitution
    This part replaces 710-0117. Substitute parts can look different from the original.
    In Stock
    $25.44
    Minus Item
    Qty
    Plus Item
  • Lawn Mower Drive Control Cable for Troybilt 21A-645A063 - Part 946-04208

    Handle/cable assembly diagram

    Troy-bilt Drive Cable

    Part #1918745

    Replaced by #946-04208

    Info Icon
    Manufacturer substitution
    This part replaces 1918745. Substitute parts can look different from the original.
    In Stock
    $46.28
    11% OFF Phone Price : $52.28Info Icon
    Minus Item
    Qty
    Plus Item
  • Tiller Tine (powder Black) for Troybilt 21A-645A063 - Part 742-04032-0637

    Single tines/wheels/tires diagram

    Troy-bilt Tine Twin Ed

    Part #1817060

    Replaced by #742-04032-0637

    Info Icon
    Manufacturer substitution
    This part replaces 1817060. Substitute parts can look different from the original.
    In Stock
    $37.02
    14% OFF Phone Price : $43.02Info Icon
    Minus Item
    Qty
    Plus Item
  • Ace Tiller Flat Washer for Troybilt 21A-645A063 - Part 736-04259

    Shim/tiller shaft diagram

    Shim

    Part #GW-1166-3

    Replaced by #736-04259

    Info Icon
    Manufacturer substitution
    This part replaces GW-1166-3. Substitute parts can look different from the original.
    In Stock
    $12.46
    Minus Item
    Qty
    Plus Item

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

Bottom-Mount Refrigerator
Dishwasher
Front-Engine Lawn Tractor
Gas Leaf Blower
Gas Line Trimmer
Gas Range
Gas Snowblower
Microwave/Hood Combo
Parts
Polisher
Side-By-Side Refrigerator
Vacuum Cleaner
Washer