Craftsman
Boating

Model # 21758540 Official Craftsman outboard motor

Here are the diagrams and repair parts for Official Craftsman 21758540 outboard motor, 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 226 parts  |

Seal 510105
#26

Engine diagram

Seal

Part #510105

The manufacturer no longer makes this part, and there's no substitute part

Seal 510242
#12

Engine diagram

Seal

Part #510242

The manufacturer no longer makes this part, and there's no substitute part

Retainer 510106
#27

Engine diagram

Retainer

Part #510106

The manufacturer no longer makes this part, and there's no substitute part

Spring 590412
#5

Rewind starter no. 590420 diagram

Spring

Part #590412

The manufacturer no longer makes this part, and there's no substitute part

Washer 630739
#28

Power head diagram

Washer

Part #630739

The manufacturer no longer makes this part, and there's no substitute part

Spring 510109
#28

Engine diagram

Spring

Part #510109

The manufacturer no longer makes this part, and there's no substitute part

Eska Washer 4808
#32

Gear housing assembly diagram

Eska washer

Part #4808

The manufacturer no longer makes this part, and there's no substitute part

Eska Boat Motor Gasket 96226
#12

Gear housing assembly diagram

Eska boat motor gasket

Part #96226

The manufacturer no longer makes this part, and there's no substitute part

Preway Boat Motor Oil Seal 96009
#5

Column assembly diagram

Preway boat motor oil seal

Part #96009

The manufacturer no longer makes this part, and there's no substitute part

Preway Boat Motor Propeller Nut 26011
#45

Column assembly diagram

Preway boat motor propeller nut

Part #26011

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas cooktops

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

Repair guides for gas cooktops

How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Repair difficulty
Time required
 30 minutes or less
How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Repair difficulty
Time required
 45 minutes or less

Articles and videos for gas cooktops

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.…

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

How to clean grates and burners on a gas cooktop video

How to clean grates and burners on a gas cooktop video

Find out how to clean the grates and burners on your gas cooktop.…