UST
Water Pump

Model #WP255 Official UST pump

Here are the diagrams and repair parts for UST WP255 pump, as well as links to manuals and error code tables, if available.

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Owner’s manual

Showing 10 of 185 parts

O-Ring#16

Water pump Diagram

O-ring

Part #QJWB.14.04-02

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

Seal#11

Air cleaner Diagram

Seal

Part #QJWB.11.03-02

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

Return Spring#19

Intake & exhaust valve assembly Diagram

Return spring

Part #QJWB.03.01-06

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

Cowling#3

Muffler Diagram

Cowling

Part #QJWB.13.01-02

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

FLYING WHEEL#4

Brance & flying wheel Diagram

Flying wheel

Part #QJWB.04.01-01

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

PIN (2)#14

Centrifugal adjustment governor Diagram

Pin (2)

Part #QJWB.06.01.01-02

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

Jacket#11

Fuel tank Diagram

Jacket

Part #QJWB.10.03-03

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

Key#9

Brance & flying wheel Diagram

Key

Part #QJWB.04-04

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

COVER, PUSH ROD#16

Centrifugal adjustment governor Diagram

Cover, push rod

Part #QJWB.06.01-06

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

Air Cleaner Cover#5

Air cleaner Diagram

Air cleaner cover

Part #QJWB.11-04

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