Craftsman
Water Pump

Model # 3902623 Official Craftsman high-pressure sprinkler pump

Here are the diagrams and repair parts for Official Craftsman 3902623 high-pressure sprinkler 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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ALL PARTS
Showing 10 of 37 parts  |

0-ring U9-226
#13

Pump assembly diagram

0-ring

Part #U9-226

In Stock
Pump Shaft Seal 17351-0009
#2

Pump assembly diagram

Pump shaft seal

Part #17351-0009

This item is not returnable
$8.89
10% OFF Phone Price : $9.89
In Stock
Pump Diffuser C1-274P
#8A

Pump assembly diagram

Pump diffuser

Part #C1-274P

$118.93
9% OFF Phone Price : $130.93
In Stock
Pump Start Capacitor (replaces 610807-002) U18-525
#1E

Pump assembly diagram

Pump start capacitor (replaces 610807-002)

Part #U18-525

In Stock
Pump Impeller Housing Clamp C19-54SS
#10

Pump assembly diagram

Pump impeller housing clamp

Part #C19-54SS

$231.69
5% OFF Phone Price : $243.69
In Stock
Draincock U212-68T
#12

Pump assembly diagram

Draincock

Part #U212-68T

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

Tank Body C176-53PA
#11

Pump assembly diagram

Tank body

Part #C176-53PA

Replaced by #C176-53P

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Manufacturer substitution
This part replaces C176-53PA. Substitute parts can look different from the original.
In Stock
O-ring U9-228A
#5A

Pump assembly diagram

O-ring

Part #U9-228A

This item is not returnable
$29.00
17% OFF Phone Price : $35.00
In Stock
Pump Contactor U18-1098
#1C

Pump assembly diagram

Pump contactor

Part #U18-1098

$161.62
7% OFF Phone Price : $173.62
In Stock
Screw C30-51SS
#7C

Pump assembly diagram

Screw

Part #C30-51SS

In Stock

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Main causes: dirty carburetor, stale fuel…

Main causes: punctured tire, damaged rim…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

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Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Repair guides for gas snowblowers

These step-by-step repair guides will help you safely fix what’s broken on your snowblower.

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

Repair difficulty
Time required
 15 minutes or less
How to adjust snowblower skid shoes

How to adjust snowblower skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas snowblowers

Use the advice and tips in these articles and videos to get the most out of your snowblower.

How to tune up a snowblower video

How to tune up a snowblower video

Get an overview of the main steps in a snowblower tune-up and click to videos with more details.…

Start-of-winter snowblower care

Start-of-winter snowblower care

Get your snowblower ready for winter before winter arrives, so you don't have to mess with it while snow piles up.…

How to store a snowblower

How to store a snowblower

Protect your snowblower's engine and body by preparing it for after-season storage.…