Get free shipping on your order, 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

Troybilt 21A-643B711 rear-tine tiller Parts

Here are the diagrams and repair parts for Troybilt 21A-643B711 rear-tine tiller, as well as links to manuals and error code tables, if available.

Troybilt 21A-643B711 rear-tine tiller
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for 21A-643B711 Tillers

  • Shim - Same As Above, .062" Thick for Troybilt 21A-643B711 - Part 736-04305

    Driveshaft diagram

    Shim

    Part #GW-1224-4

    Replaced by #736-04305

    Info Icon
    Manufacturer substitution
    This part replaces GW-1224-4. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.91
    Minus Item
    Qty
    Plus Item
  • Tiller Worm Gear for Troybilt 21A-643B711 - Part 917-04381

    Wheel shaft diagram

    Worm Gear

    Part #1916542

    Replaced by #917-04381

    Info Icon
    Manufacturer substitution
    This part replaces 1916542. Substitute parts can look different from the original.
    In Stock
    $177.00
    6% OFF Phone Price : $189.00Info Icon
    Minus Item
    Qty
    Plus Item
  • Troybilt Tiller Washer for Troybilt 21A-643B711 - Part 736-04258

    Wheel shaft diagram

    Shim

    Part #GW-1166-4

    Replaced by #736-04258

    Info Icon
    Manufacturer substitution
    This part replaces GW-1166-4. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $7.29
    Minus Item
    Qty
    Plus Item
  • Shim - Front Bearing Cap, .010" Thick for Troybilt 21A-643B711 - Part 736-04308

    Driveshaft diagram

    Shim

    Part #GW-1224-1

    Replaced by #736-04308

    Info Icon
    Manufacturer substitution
    This part replaces GW-1224-1. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.09
    Minus Item
    Qty
    Plus Item
  • Holder-tine for Troybilt 21A-643B711 - Part 686-05008-0637

    Tine hood/handlebar diagram

    Tine Holder

    Part #686-04065

    Replaced by #686-05008-0637

    Info Icon
    Manufacturer substitution
    This part replaces 686-04065. Substitute parts can look different from the original.
    In Stock
    $113.76
    Minus Item
    Qty
    Plus Item
  • Tiller Click Pin for Troybilt 21A-643B711 - Part 714-0143A

    Bumper/wheel assembly diagram

    Click Pin

    Part #714-0143

    Replaced by #714-0143A

    Info Icon
    Manufacturer substitution
    This part replaces 714-0143. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $11.79
    15% OFF Phone Price : $13.79Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn Mower Drive Control Cable for Troybilt 21A-643B711 - Part 946-04208

    Tine hood/handlebar diagram

    Drive Cable

    Part #746-04208

    Replaced by #946-04208

    Info Icon
    Manufacturer substitution
    This part replaces 746-04208. Substitute parts can look different from the original.
    In Stock
    $46.28
    11% OFF Phone Price : $52.28Info Icon
    Minus Item
    Qty
    Plus Item
  • Yard Machines Plug-pipe 3/ for Troybilt 21A-643B711 - Part 737-04202

    Transmission housing diagram

    Plug-pipe 3/

    Part #GW-9727

    Replaced by #737-04202

    Info Icon
    Manufacturer substitution
    This part replaces GW-9727. Substitute parts can look different from the original.
    In Stock
    $34.32
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Flat Washer for Troybilt 21A-643B711 - Part 936-3008

    Transmission housing diagram

    Washer

    Part #736-3008

    Replaced by #936-3008

    Info Icon
    Manufacturer substitution
    This part replaces 736-3008. Substitute parts can look different from the original.
    In Stock
    $10.46
    16% OFF Phone Price : $12.46Info Icon
    Minus Item
    Qty
    Plus Item
  • Holder Assembly for Troybilt 21A-643B711 - Part 686-04066-0638

    Tine hood/handlebar diagram

    Holder Assembly

    Part #686-04066

    Replaced by #686-04066-0638

    Info Icon
    Manufacturer substitution
    This part replaces 686-04066. Substitute parts can look different from the original.
    In Stock
    $107.47
    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

Electric Range
Shop LG LSSE3026ST/00 electric range parts
Engine & Drivetrain
Hydro-Gear T2 engine & drivetrain parts
Front-Engine Lawn Tractor
Shop MTD 13AOA1ZS093 front-engine lawn tractor parts
Gas Cooktop
GE PGP989SN1SS gas cooktop parts
Lawn & Garden Engine
Briggs & Stratton 14-FB (202000 - 202984) lawn & garden engine parts
Miter Saw
Shop Craftsman 137245100 miter saw parts
Parts
Home Electronics Capacitor 18A19332Ball Bearing 03814751Front 00675425Range Oven Control Board W10885069Interlock Bar 306-3397Microwave Electronic Control Board W10892389Short Block 710581Pedal-lt U500I-G-4LCooktop Radiant Element Module AR141BWasher Thermistor WH01X24104
Table Saw
Craftsman 10321041 table saw parts
Top-Mount Refrigerator
Shop Frigidaire LFHT1817LF0 top-mount refrigerator partsShop Whirlpool WRT351SFYW00 top-mount refrigerator parts
Upright Freezer
Shop Frigidaire LFFH20F3QWF upright freezer parts