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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Model diagram and schematic

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Showing 10 of 71 parts  |

0-ring U9-226
#9

Valve assy diagram

0-ring

Part #U9-226

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
Switch 2782
#22

Motor assy diagram

Switch

Part #2782

Replaced by #TC2153-P2

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Manufacturer substitution
This part replaces 2782. Substitute parts can look different from the original.
$59.89
9% OFF Phone Price : $65.89
Back Order
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
16% OFF Phone Price : $36.49
In Stock
Pump Housing O-ring U9-199
#10

Motor assy diagram

Pump housing o-ring

Part #U9-199

This item is not returnable
$21.29
22% OFF Phone Price : $27.29
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
16% OFF Phone Price : $36.49
In Stock
Pump Impeller Housing Clamp C19-54SS
#11

Motor assy diagram

Pump impeller housing clamp

Part #C19-54SS

$231.69
5% OFF Phone Price : $243.69
In Stock
Pump Check Valve (replaces N12-12p) N166-5P
#10

Valve assy diagram

Pump check valve (replaces n12-12p)

Part #N166-5P

$123.89
9% OFF Phone Price : $135.89
In Stock
Pressure Gauge 2768
#4

Motor assy diagram

Pressure gauge

Part #2768

Replaced by #TC104-P2

?
Manufacturer substitution
This part replaces 2768. Substitute parts can look different from the original.
$27.99
18% OFF Phone Price : $33.99
In Stock
Draincock U212-68T
#17

Motor assy diagram

Draincock

Part #U212-68T

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