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Troybilt 21A-665B063 rear-tine tiller

Troybilt 21A-665B063 rear-tine tiller Parts

Here are the diagrams and repair parts for Troybilt 21A-665B063 rear-tine tiller, as well as links to manuals and error code tables, if available.

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Browse Parts for 21A-665B063 Tillers

  • Lawn & Garden Equipment Nut for Troybilt 21A-665B063 - Part 912-3057

    Handlebar/wheel gear control diagram

    Troy-bilt Nut-hex 5 16

    Part #1186211

    Replaced by #912-3057

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    Manufacturer substitution
    This part replaces 1186211. Substitute parts can look different from the original.
    In Stock
    $12.46
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  • Troybilt Tiller Washer for Troybilt 21A-665B063 - Part 736-04258

    Wheel drive gear/oil seal diagram

    Shim

    Part #GW-1166-4

    Replaced by #736-04258

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    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
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  • Troybilt Tiller Belt Guard for Troybilt 21A-665B063 - Part 731-05290

    Stabilizer/cover/transmission pulley diagram

    Troy-bilt Cvr-belt W/d

    Part #1917139

    Replaced by #731-05290

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    Manufacturer substitution
    This part replaces 1917139. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $38.64
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  • Ace Flange Screw for Troybilt 21A-665B063 - Part 1754128

    Stabilizer/cover/transmission pulley diagram

    Troy-bilt Screw

    Part #1754128

    Replaced by #1754128

    Info Icon
    Manufacturer substitution
    This part replaces 1754128. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.51
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  • Ace Nut-hh for Troybilt 21A-665B063 - Part 1186208

    Handlebar/wheel gear control diagram

    Troy-bilt Nut

    Part #1186208

    Replaced by #1186208

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    Manufacturer substitution
    This part replaces 1186208. Substitute parts can look different from the original.
    In Stock
    $33.52
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  • Lawn & Garden Equipment Screw for Troybilt 21A-665B063 - Part 710-0805A

    Stabilizer/cover/transmission pulley diagram

    Lawn Tractor Hex Bolt

    Part #710-0805

    Replaced by #710-0805A

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    Manufacturer substitution
    This part replaces 710-0805. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $7.86
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  • Ace Tiller Reverse Drive Belt for Troybilt 21A-665B063 - Part 954-04095

    Stabilizer/cover/transmission pulley diagram

    Reverse Belt

    Part #1918812

    Replaced by #954-04095

    Info Icon
    Manufacturer substitution
    This part replaces 1918812. Substitute parts can look different from the original.
    In Stock
    $22.40
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  • Ace Tiller Washer for Troybilt 21A-665B063 - Part 736-04445

    Handlebar/wheel gear control diagram

    Washer

    Part #GW-9955

    Replaced by #736-04445

    Info Icon
    Manufacturer substitution
    This part replaces GW-9955. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.14
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  • Lawn Tractor Cable Tie for Troybilt 21A-665B063 - Part 726-0178

    Handlebar/wheel gear control diagram

    Lawn & Garden Equipment Cable Tie

    Part #725-0157

    Replaced by #726-0178

    Info Icon
    Manufacturer substitution
    This part replaces 725-0157. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $25.35
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  • Ace Split Spacer for Troybilt 21A-665B063 - Part 750-04556

    Hood-tine cover/bar diagram

    Spacer

    Part #GW-9534

    Replaced by #750-04556

    Info Icon
    Manufacturer substitution
    This part replaces GW-9534. Substitute parts can look different from the original.
    In Stock
    $34.32
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Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

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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…

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

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

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Why won't my tiller's engine start?

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

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

Main causes: broken shaft clevis pins, transmission failure…

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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…

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

Main causes: clutch cable problems, faulty transmission…

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Why won't my tillers wheels or tines turn?

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

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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.

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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…

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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.

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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.…

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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.…

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Tiller common questions

Tiller common questions

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

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