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Craftsman
Water Pump

Model # 3902518 Official Craftsman pump

Here are the diagrams and repair parts for Official Craftsman 3902518 pump, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 34 parts  |
Pump Shaft Seal U109-6A
#6

Shallow well jet pump diagram

Pump shaft seal

Part #U109-6A

Replaced by #U109-6B

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Manufacturer substitution
This part replaces U109-6A. Substitute parts can look different from the original.
$106.69 | 
9% OFF Phone Price : $116.69
In Stock
Pump Pressure Switch Tube U37-673P
#17

Shallow well jet pump diagram

Pump pressure switch tube

Part #U37-673P

This item is not returnable
$19.98 | 
9% OFF Phone Price : $21.98
In Stock
Pump Nozzle N34P-17
#13A

Shallow well jet pump diagram

Pump nozzle

Part #N34P-17

$28.33
In Stock
Pump Shaft Seal 17351-0009
#2

Shallow well jet pump diagram

Pump shaft seal

Part #17351-0009

This item is not returnable
$8.89 | 
10% OFF Phone Price : $9.89
In Stock
Pump Hose Fitting, 90-degree U111-212T
#18

Shallow well jet pump diagram

Pump hose fitting, 90-degree

Part #U111-212T

This item is not returnable
$27.69 | 
15% OFF Phone Price : $32.69
In Stock
0-ring U9-226
#19

Shallow well jet pump diagram

0-ring

Part #U9-226

$10.71
In Stock
Pump Impeller J105-42PT
#7A

Shallow well jet pump diagram

Pump impeller

Part #J105-42PT

$151.89 | 
6% OFF Phone Price : $161.89
In Stock
Pump Nozzle N34P-19
#13

Shallow well jet pump diagram

Pump nozzle

Part #N34P-19

$22.73
In Stock
Washer Pump U43-21SS
#9A

Shallow well jet pump diagram

Washer pump

Part #U43-21SS

This item is not returnable
$5.65
In Stock
Pump Screw, #8-32 X 7/8-in U30-542SS
#9

Shallow well jet pump diagram

Pump screw, #8-32 x 7/8-in

Part #U30-542SS

This item is not returnable
$5.03
In Stock

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