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-634A766 tiller

Troybilt 21A-634A766 tiller Parts

Here are the diagrams and repair parts for Troybilt 21A-634A766 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-634A766 Tillers

  • Belt Cover for Troybilt 21A-634A766 - Part 731-05268

    Belt drive and cover diagram

    Belt Cover

    Part #1916660

    Replaced by #731-05268

    Info Icon
    Manufacturer substitution
    This part replaces 1916660. Substitute parts can look different from the original.
    In Stock
    $105.34
    Minus Item
    Qty
    Plus Item
  • Torsion Spring for Troybilt 21A-634A766 - Part 732-04320

    Tine hood/transmission 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 Tractor Mandrel Shaft Spacer for Troybilt 21A-634A766 - Part 941-04299

    Driveshaft assembly diagram

    Drive Bearing Cup

    Part #GW-9400

    Replaced by #941-04299

    Info Icon
    Manufacturer substitution
    This part replaces GW-9400. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $34.32
    Minus Item
    Qty
    Plus Item
  • Lawn Tractor Mandrel Bearing for Troybilt 21A-634A766 - Part 941-04298

    Driveshaft assembly diagram

    Cone Drive Bearing

    Part #GW-9401

    Replaced by #941-04298

    Info Icon
    Manufacturer substitution
    This part replaces GW-9401. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $27.40
    18% OFF Phone Price : $33.40Info Icon
    Minus Item
    Qty
    Plus Item
  • Yard Machines Plug-pipe 3/ for Troybilt 21A-634A766 - 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
  • Mtd Tiller Drive Belt for Troybilt 21A-634A766 - Part 954-04090

    Belt drive and cover diagram

    Belt

    Part #1916657

    Replaced by #954-04090

    Info Icon
    Manufacturer substitution
    This part replaces 1916657. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $28.29
    17% OFF Phone Price : $34.29Info Icon
    Minus Item
    Qty
    Plus Item
  • Tiller Tine Shaft Oil Seal for Troybilt 21A-634A766 - Part 921-04036

    Transmission housing diagram

    Oil Seal

    Part #721-04036

    Replaced by #921-04036

    Info Icon
    Manufacturer substitution
    This part replaces 721-04036. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $25.63
    19% OFF Phone Price : $31.63Info Icon
    Minus Item
    Qty
    Plus Item
  • Wheel Bearing for Troybilt 21A-634A766 - Part 094908P

    Shim and wheel shaft diagram

    Shim

    Part #GW-1166-1

    Replaced by #094908P

    Info Icon
    Manufacturer substitution
    This part replaces GW-1166-1. Substitute parts can look different from the original.
    In Stock
    $25.87
    Minus Item
    Qty
    Plus Item
  • Flat Washer for Troybilt 21A-634A766 - Part 736-04310

    Shim and wheel shaft diagram

    Shim

    Part #GW-1132-2

    Replaced by #736-04310

    Info Icon
    Manufacturer substitution
    This part replaces GW-1132-2. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.63
    Minus Item
    Qty
    Plus Item
  • Tiller Drive Belt for Troybilt 21A-634A766 - Part 954-04091

    Belt drive and cover diagram

    Reverse Belt

    Part #1916658

    Replaced by #954-04091

    Info Icon
    Manufacturer substitution
    This part replaces 1916658. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $25.28
    19% OFF Phone Price : $31.28Info Icon
    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
Canister Vacuum
Dryer
Electric Range
Electric Wall Oven
Parts
Side-By-Side Refrigerator