Craftsman
Boating

Model # 21758710 Official Craftsman 9.9-hp outboard motor

Here are the diagrams and repair parts for Official Craftsman 21758710 9.9-hp 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 352 parts  |

Fuel Line 29774
#58

Engine assembly no. 380 diagram

Fuel line

Part #29774

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

Seal 510242
#24

Engine assembly no. 380 diagram

Seal

Part #510242

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

Clip 631022
#13

Carburetor assembly no. 631748 diagram

Clip

Part #631022

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

Sealer 510304
#62

Engine assembly no. 380 diagram

Sealer

Part #510304

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

Exercise Equipment Washer 4447
#73

Gear housing assembly diagram

Exercise equipment washer

Part #4447

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

Preway Boat Motor Oil Seal 96009
#47

Gear housing assembly diagram

Preway boat motor oil seal

Part #96009

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

Tecumseh Exercise Equipment Washer 96687
#5

Gear housing assembly diagram

Tecumseh exercise equipment washer

Part #96687

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

Tecumseh Bearing 26314
#28

Gear housing assembly diagram

Tecumseh bearing

Part #26314

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

Tecumseh Ball Bearing 26290
#44

Gear housing assembly diagram

Tecumseh ball bearing

Part #26290

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

Pin (silver) 6415
Pin (silver)

Part #6415

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

Repair guides for front-engine lawn tractors

How to replace a ground drive belt on a riding lawn mower

How to replace a ground drive belt on a riding lawn mower

Replace the ground drive belt if it's broken or too worn to spin the transaxle pulley.…

Repair difficulty
Time required
 45 minutes or less
How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Repair difficulty
Time required
 45 minutes or less

Articles and videos for front-engine lawn tractors

Should I get an electric riding mower?

Should I get an electric riding mower?

Get help deciding whether to make the switch to a battery-powered riding mower…

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.…