Craftsman
Water Pump

Model #3902623 Official Craftsman high-pressure sprinkler pump

Here are the diagrams and repair parts for Craftsman 3902623 high-pressure sprinkler pump, 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.

Owner’s manual

Showing 10 of 37 parts

Pump Housing O-Ring (replaces U9-200)#5

Pump assembly Diagram

Pump housing o-ring (replaces u9-200)

Part #U9-399
BEST SELLER
This item is not returnable
Back Order
$23.49 | 
18% OFF 
Phone Price: $28.49
Pump Shaft Seal (replaces U109-6A)#6

Pump assembly Diagram

Pump shaft seal

Part #U109-6A
Replaced by #U109-6B
?
Manufacturer substitution
This part replaces U109-6A. Substitute parts can look different from the original.
In Stock
$106.69 | 
9% OFF 
Phone Price: $116.69
Washer#18

Pump assembly Diagram

Washer

Part #U43-11ZP

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

O-Ring#5A

Pump assembly Diagram

O-ring

Part #U9-228A
This item is not returnable
In Stock
$23.99 | 
17% OFF 
Phone Price: $28.99
Pump Impeller#7A

Pump assembly Diagram

Pump impeller

Part #C105-92PBBB
In Stock
$182.49 | 
5% OFF 
Phone Price: $192.49
Pump Shaft Seal#2

Pump assembly Diagram

Pump shaft seal

Part #17351-0009
This item is not returnable
In Stock
$8.89 | 
10% OFF 
Phone Price: $9.89
Pump Impeller Housing Clamp#10

Pump assembly Diagram

In Stock
$231.69 | 
$10.00 OFF 
Phone Price: $241.69
0-ring#13

Pump assembly Diagram

0-ring

Part #U9-226
Back Order
$10.34
Washer Pump#9A

Pump assembly Diagram

Washer pump

Part #U43-21SS
This item is not returnable
In Stock
$5.65
Pump Start Switch Governor#1D

Pump assembly Diagram

In Stock
$238.33