Craftsman
Water Pump

Model # 390284510 Official Craftsman two wire submersible pump

Here are the diagrams and repair parts for Official Craftsman 390284510 two wire submersible pump, 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 25 parts  |

Screen P8-20
#10

Submersible pump diagram

Screen

Part #P8-20

This item is not returnable
In Stock
Control E238-2
#25

Fittings and accessories diagram

Control

Part #E238-2

In Stock
Lock Washer U43-11SS
#4

Submersible pump diagram

Lock washer

Part #U43-11SS

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

Nut U36-41SS
#3

Submersible pump diagram

Nut

Part #U36-41SS

Replaced by #B76087

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Manufacturer substitution
This part replaces U36-41SS. Substitute parts can look different from the original.
In Stock
Slinger P69-4
#2A

Submersible pump diagram

Slinger

Part #P69-4

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

Pipe Plug U78-57C
#29

Fittings and accessories diagram

Pipe plug

Part #U78-57C

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

Motor 3/4hp P564-22
#1C

Submersible pump diagram

Motor 3/4hp

Part #P564-22

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

Liquid End P364-19
#12A

Submersible pump diagram

Liquid end

Part #P364-19

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

Coupling P11-47
#2

Submersible pump diagram

Coupling

Part #P11-47

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

Pin P30-9
#7

Submersible pump diagram

Pin

Part #P30-9

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

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Main causes: broken recoil spring, damaged recoil starter…

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Main causes: faulty unloader valve, bad pressure regulator…

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

Repair difficulty
Time required
 120 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Repair difficulty
Time required
 45 minutes or less
How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas pressure washers

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

Choosing the correct spray tip for a pressure washer

Choosing the correct spray tip for a pressure washer

Spray tips vary in pressure and angle of spray. This guide matches the spray tip to the cleaning job.…

Solving pressure washer problems

Solving pressure washer problems

Learn how to solve simple pressure washer problems.…

Pressure washer common questions

Pressure washer common questions

See what you can learn from the questions that people most often ask our experts about their pressure washers.…