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Craftsman
Water Pump

Model # 3902519 Official Craftsman pump

Here are the diagrams and repair parts for Official Craftsman 3902519 pump, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 71 parts  |
Pump Shaft Seal U109-6A
#7

Motor assy 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 O-ring, 4-1/4 X 4 X 1/8-in U9-202
#1

Valve assy 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
Pump Pressure Switch Tube U37-673P
#13

Motor assy diagram

Pump pressure switch tube

Part #U37-673P

This item is not returnable
$19.98 | 
9% OFF Phone Price : $21.98
In Stock
Adapt Nipple U11-104P
#6

Double pipe jet diagram

Adapt nipple

Part #U11-104P

$57.40
In Stock
Pump Suction Pipe Seal Ring J21-18
#4

Vertical casing adapter diagram

Pump suction pipe seal ring

Part #J21-18

$20.71
In Stock
Pump Body Clamp J19-6
#2

Valve assy diagram

Pump body clamp

Part #J19-6

$198.27
In Stock
Pump Vertical Casing Adapter Seal Ring, 2-in J21-17
#7

Vertical casing adapter 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
#3

Vertical casing adapter diagram

Pump vertical casing drive pipe seal

Part #J21-19

$44.11
In Stock
Pump Shaft Seal 17351-0009
#2

Motor assy diagram

Pump shaft seal

Part #17351-0009

This item is not returnable
$8.89 | 
10% OFF Phone Price : $9.89
In Stock
Pump Pressure Regulator (replaces L162-10p) L162-10PS
#15

Motor assy diagram

Pump pressure regulator (replaces l162-10p)

Part #L162-10PS

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

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