Craftsman
Water Pump

Model # 390251900 Official Craftsman pump

Here are the diagrams and repair parts for Official Craftsman 390251900 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.

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 82 parts  |

Shaft Seal U109-6
#8

Motor and pump assembly diagram

Shaft seal

Part #U109-6

Replaced by #U109-6B

?
Manufacturer substitution
This part replaces U109-6. Substitute parts can look different from the original.
$106.69
9% OFF Phone Price : $116.69
In Stock
Pump O-ring, 4-1/4 X 4 X 1/8-in U9-202
#1

Shallow well jet and check valve assemblies diagram

Pump o-ring, 4-1/4 x 4 x 1/8-in

Part #U9-202

This item is not returnable
$30.49
14% OFF Phone Price : $35.49
In Stock
Tube U37-211P
#14

Motor and pump assembly diagram

Tube

Part #U37-211P

Replaced by #U37-673P

?
Manufacturer substitution
This part replaces U37-211P. Substitute parts can look different from the original.
This item is not returnable
$19.98
9% OFF Phone Price : $21.98
In Stock
Pump Suction Pipe Seal Ring J21-18
#3

Sears vertical casing adapters diagram

Pump suction pipe seal ring

Part #J21-18

In Stock
Pump Vertical Casing Adapter Seal Ring, 2-in J21-17
#7A

Sears vertical casing adapters diagram

Pump vertical casing adapter seal ring, 2-in

Part #J21-17

This item is not returnable
$30.49
14% OFF Phone Price : $35.49
In Stock
Pump Vertical Casing Drive Pipe Seal J21-19
#4

Sears vertical casing adapters diagram

Pump vertical casing drive pipe seal

Part #J21-19

In Stock
Venturi J32P-24
Venturi

Part #J32P-24

In Stock
Pump Pressure Regulator (replaces L162-10p) L162-10PS
#16

Motor and pump assembly diagram

Pump pressure regulator (replaces l162-10p)

Part #L162-10PS

$63.99
7% OFF Phone Price : $68.99
In Stock
Pump Body Clamp J19-6
#2

Shallow well jet and check valve assemblies diagram

Pump body clamp

Part #J19-6

In Stock
Pump Jet Body Leather Seal, 2-in J57-1
#4A

Single pipe jets diagram

Pump jet body leather seal, 2-in

Part #J57-1

$63.99
7% OFF Phone Price : $68.99
In Stock

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.…