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Little Giant
Farming

Model # 503003/3E-12R Official Little Giant pump

Here are the diagrams and repair parts for Official Little Giant 503003-3E-12R 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 12 parts  |
Pump Volute Gasket 103601
#3

Replacement parts diagram

Pump volute gasket

Part #103601

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

Pump Volute 103375
#1B

Replacement parts diagram

Pump volute

Part #103375

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

Volute 103330
#1

Replacement parts diagram

Volute

Part #103330

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

Screw 902501
#6

Replacement parts diagram

Screw

Part #902501

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

Volute 103334
#1A

Replacement parts diagram

Volute

Part #103334

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

Backplate 103501
#4A

Replacement parts diagram

Backplate

Part #103501

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

Screen 102909
#5

Replacement parts diagram

Screen

Part #102909

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

Pump Intake Screen 102376
#5A

Replacement parts diagram

Pump intake screen

Part #102376

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

Backplate 103503
#4

Replacement parts diagram

Backplate

Part #103503

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

Impeller 104435
#2

Replacement parts diagram

Impeller

Part #104435

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

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