Yard-Man
Farming

Model # 21A-121R900 Official Yard-Man gas cultivator

Here are the diagrams and repair parts for Official Yard-Man 21A-121R900 gas cultivator, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

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

Search
ALL PARTS
Showing 10 of 81 parts  |

Yard-man Lawn & Garden Equipment Clutch Assembly (replaces 791-182369) 753-05860
#31

Cylinder/fuel tank/muffler diagram

Yard-man lawn & garden equipment clutch assembly (replaces 791-182369)

Part #753-05860

$26.75
18% OFF Phone Price : $32.75
In Stock
Yard Machines Line Trimmer Primer Bulb And Hose Assembly (replaces 791-683947b, 791-bq03241) 791-683974B
#11

Cylinder/fuel tank/muffler diagram

Yard machines line trimmer primer bulb and hose assembly (replaces 791-683947b, 791-bq03241)

Part #791-683974B

$31.56
16% OFF Phone Price : $37.56
In Stock
Gear Box Assembly 753-05982
#24

Handle/tines diagram

Gear box assembly

Part #753-05982

Replaced by #753-06063

?
Manufacturer substitution
This part replaces 753-05982. Substitute parts can look different from the original.
$115.81
9% OFF Phone Price : $127.81
In Stock
Yard Machines Lawn & Garden Equipment Screw 791-182195
#25

Handle/tines diagram

Yard machines lawn & garden equipment screw

Part #791-182195

This item is not returnable
$10.87
16% OFF Phone Price : $12.87
In Stock
Troybilt Lawn & Garden Equipment Engine Exhaust Gasket 753-04619
#39

Cylinder/fuel tank/muffler diagram

Troybilt lawn & garden equipment engine exhaust gasket

Part #753-04619

This item is not returnable
$11.80
14% OFF Phone Price : $13.80
In Stock
Tiller Clutch Cover Screw 791-181345
#33

Cylinder/fuel tank/muffler diagram

Tiller clutch cover screw

Part #791-181345

This item is not returnable
$5.28
16% OFF Phone Price : $6.28
In Stock
Yard Machines Lawn & Garden Equipment Engine Carburetor Mounting Gasket 791-610675
#9

Cylinder/fuel tank/muffler diagram

Yard machines lawn & garden equipment engine carburetor mounting gasket

Part #791-610675

This item is not returnable
$5.57
15% OFF Phone Price : $6.57
In Stock
Yard-man Cultivator Clutch Cover 791-180098
#32

Cylinder/fuel tank/muffler diagram

Yard-man cultivator clutch cover

Part #791-180098

$42.59
12% OFF Phone Price : $48.59
In Stock
O-ring 753-05487
#14

Cylinder/fuel tank/muffler diagram

O-ring

Part #753-05487

Replaced by #721-04163

?
Manufacturer substitution
This part replaces 753-05487. Substitute parts can look different from the original.
This item is not returnable
$5.64
15% OFF Phone Price : $6.64
In Stock
Yard-man Mflr:cat:w/s 753-04926
#38

Cylinder/fuel tank/muffler diagram

Yard-man mflr:cat:w/s

Part #753-04926

In Stock

Symptoms for electric ranges

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace a range hidden bake element

These step-by-step instructions guide you through replacing the oven hidden bake element in an electric range.…

Repair difficulty
Time required
 30 minutes or less
How to replace a range glass cooktop

How to replace a range glass cooktop

These step-by-step instructions explain how to replace a damaged ceramic glass cooktop on an electric range. …

Repair difficulty
Time required
 45 minutes or less
How to replace a range relay control board

How to replace a range relay control board

Follow these instructions to replace the relay control board if it isn't responding to signals from the microprocessor d…

Repair difficulty
Time required
 45 minutes or less

Articles and videos for electric ranges

How is cooking on an electric range different than cooking on a gas stove?

How is cooking on an electric range different than cooking on a gas stove?

Learn about the differences between cooking on gas and electric stoves.…

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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.…