Craftsman
Boating

Model # 21759464 Official Craftsman 4.5-hp outboard motor

Here are the diagrams and repair parts for Official Craftsman 21759464 4.5-hp outboard motor, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 242 parts  |

Gasket 631028
#25

Carburetor assembly diagram

Gasket

Part #631028

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

Float 631023
#14

Carburetor assembly diagram

Float

Part #631023

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

Cover 610118
#43

Engine assembly diagram

Cover

Part #610118

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

Piston 310230
#5

Engine assembly diagram

Piston

Part #310230

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

Element 630953
#6

Carburetor assembly diagram

Element

Part #630953

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

Ring Set 310190
#6

Engine assembly diagram

Ring set

Part #310190

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

Spring 630766
#59

Engine assembly diagram

Spring

Part #630766

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

Gasket 631334
#21

Carburetor assembly diagram

Gasket

Part #631334

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

Gasket 510274
#18

Engine assembly diagram

Gasket

Part #510274

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

Starter 590420
Starter

Part #590420

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn 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.…

Lawn mower won't start troubleshooting video: can't pull recoil pull cord

Lawn mower won't start troubleshooting video: can't pull recoil pull cord

A blade obstruction, bad recoil starter or locked-up engine can prevent the pull cord on your mower from working. See ho…