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Craftsman
Water Pump

Model # 390304200 Official Craftsman vertical sump drainer

Here are the diagrams and repair parts for Official Craftsman 390304200 vertical sump drainer, as well as links to manuals and error code tables, if available.

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

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Model diagram and schematic

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ALL PARTS
Showing 10 of 18 parts  |
Impeller S5-12
#7

Replacement parts diagram

Impeller

Part #S5-12

$18.96
In Stock
Pump Float Rod Guide S19-14GP
#20

Replacement parts diagram

Pump float rod guide

Part #S19-14GP

$18.80
Back Order
Screw U30-753C
#16

Replacement parts diagram

Screw

Part #U30-753C

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

Motor S218-50
#1

Replacement parts diagram

Motor

Part #S218-50

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

Float S28-21P
#19

Replacement parts diagram

Float

Part #S28-21P

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

Pump Float Rod Bushing S23-23
#17

Replacement parts diagram

Pump float rod bushing

Part #S23-23

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

Shaft S10-16
#4

Replacement parts diagram

Shaft

Part #S10-16

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

Owner's Manual F642-14884

#NI

All parts diagram

Owner's manual

Part #F642-14884

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

Volute Cover S4-15P
#8

Replacement parts diagram

Volute cover

Part #S4-15P

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

Switch 42-2773
#15

Replacement parts diagram

Switch

Part #42-2773

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

Symptoms for gas walk-behind mowers

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Why does my lawn mower run rough?

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

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Why does my lawn mower cut unevenly?

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

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Why does my lawn mower vibrate a lot?

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

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Why won't my lawn mower start?

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

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Why does my lawn mower stall?

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

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Why won't my lawn mower move?

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

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How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

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 15 minutes or less
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How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

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Repair difficulty
Time required
 45 minutes or less

Articles and videos for gas walk-behind mowers

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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.…

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Top questions about Sears and Sears PartsDirect

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Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Find out how to test and fix problems with the spark plug, stop wire, ignition coil and flywheel.…

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