Sears
Water Pump

Model # 390255400 Official Sears shallow well pump

Here are the diagrams and repair parts for Official Sears 390255400 shallow well 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 29 parts  |

Slinger N69-1
#3

2 hp high pressure booster pump/repair parts diagram

Slinger

Part #N69-1

Replaced by #17351-0009

?
Manufacturer substitution
This part replaces N69-1. Substitute parts can look different from the original.
This item is not returnable
$8.89
10% OFF Phone Price : $9.89
Back Order
Handle C54-21
#2

2 hp high pressure booster pump/repair parts diagram

Handle

Part #C54-21

In Stock
Seal Plate N3-8
#4

2 hp high pressure booster pump/repair parts diagram

Seal plate

Part #N3-8

In Stock
Pump Shaft Seal U109-118
#5

2 hp high pressure booster pump/repair parts diagram

Pump shaft seal

Part #U109-118

$191.99
5% OFF Phone Price : $201.99
In Stock
O-ring U9-49
#12

2 hp high pressure booster pump/repair parts diagram

O-ring

Part #U9-49

This item is not returnable
In Stock
Gasket N20-26
#6

2 hp high pressure booster pump/repair parts diagram

Gasket

Part #N20-26

In Stock
Motor 1/2 Hp J218-590
#1

2 hp high pressure booster pump/repair parts diagram

Motor 1/2 hp

Part #J218-590

Replaced by #J218-590PKG

?
Manufacturer substitution
This part replaces J218-590. Substitute parts can look different from the original.
$533.39
$10.00 OFF Phone Price : $543.39
In Stock
Cord Plug U17-402
#23

2 hp high pressure booster pump/repair parts diagram

Cord plug

Part #U17-402

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

Warranty F642-9977A

#NI

All parts diagram

Warranty

Part #F642-9977A

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

Adapter C102-58
#7

2 hp high pressure booster pump/repair parts diagram

Adapter

Part #C102-58

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

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.…