Model # 503500/3E-12N Official Little Giant pump

Here are the diagrams and repair parts for Official Little Giant 503500-3E-12N 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 12 parts |

Pump volute

Part #103375

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

Replacement parts diagram

Pump volute gasket

Part #103601

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

Replacement parts diagram

Volute

Part #103330

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

Replacement parts diagram

Backplate

Part #103503

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

Replacement parts diagram

Owner's manual

Part #993914

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

Replacement parts diagram

Screw

Part #902501

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

#5A

Replacement parts diagram

Pump intake screen

Part #102376

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

Replacement parts diagram

Screen

Part #102909

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

Replacement parts diagram

Impeller

Part #104435

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

#4A

Replacement parts diagram

Backplate

Part #103501

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

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Model # 503500/3E-12N Official Little Giant pump

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for electric ranges

Why doesn't my electric range's surface element heat properly?

Should I replace a damaged glass cooktop?

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace an electric range oven door outer glass panel

How to replace a range glass cooktop

Articles and videos for electric ranges

How is cooking on an electric range different than cooking on a gas stove?

Coil surface element on range not heating video

Quick tips and fixes: range hot surface light troubleshooting video

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