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MTD 21AA404B031 rear-tine tiller Parts
Here are the diagrams and repair parts for MTD 21AA404B031 rear-tine tiller, as well as links to manuals and error code tables, if available.
Owner’s manualBy Schematic
By Part
SELECT DIAGRAM
Browse Parts for 21AA404B031 Tillers
Handle & tine shield diagram
Handle Cover
Part #731-06253Replaced by #731-06253B
Manufacturer substitutionThis part replaces 731-06253. Substitute parts can look different from the original.In Stock$57.76
Qty
Transmission diagram
Transmission Assembly
Part #918-04815Replaced by #918-04815A
Manufacturer substitutionThis part replaces 918-04815. Substitute parts can look different from the original.In Stock$950.66$12.00 OFF Phone Price : $962.66
QtyHandle & tine shield diagram
Lawn & Garden Equipment Wheel Axle Bolt
Part #938-0533Replaced by #738-0533
Manufacturer substitutionThis part replaces 938-0533. Substitute parts can look different from the original.In Stock$34.19QtyHandle & tine shield diagram
End Plug
Part #735-04105Replaced by #735-04105A
Manufacturer substitutionThis part replaces 735-04105. Substitute parts can look different from the original.In Stock$10.14QtyHandle & tine shield diagram
Handle Assembly
Part #686-04098-0638
The manufacturer no longer makes this part, and there's no substitute part
Drive system diagram
Tiller Engine Pulley
Part #756-04336A
The manufacturer no longer makes this part, and there's no substitute part
Drive system diagram
Mounting Frame, Rh
Part #786-04350-0638
The manufacturer no longer makes this part, and there's no substitute part
Handle & tine shield diagram
Upper Handle Assembly
Part #649-04054-0638
The manufacturer no longer makes this part, and there's no substitute part
Handle & tine shield diagram
Tine Shield Mounting Bracket
Part #786-04352-0638
The manufacturer no longer makes this part, and there's no substitute part
Drive system diagram
Mounting Frame, Lh
Part #786-04351-0638
The manufacturer no longer makes this part, and there's no substitute part
RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES
High Pro Key
In Stock
$12.46
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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
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.
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
This chart will help you find the right carburetor for your Craftsman snowblower, tiller or log splitter.…
These frequently asked questions might help you figure out what's wrong with your garden tiller.…
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