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GMC GDPI120-5 gas furnace Parts

Here are the diagrams and repair parts for GMC GDPI120-5 gas furnace, as well as links to manuals and error code tables, if available.

GMC GDPI120-5 gas furnace
By Schematic
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Browse Parts for GDPI120-5 Gas Furnace

  • Blower Shell for GMC GDPI120-5 - Part 14393-77

    Blower assemblies diagram

    Blower Shell

    Part #14393-77

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

  • Manifold Bra for GMC GDPI120-5 - Part 18159-02

    Heat exchanger assembly diagram

    Manifold Bra

    Part #18159-02

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

  • Wrapper Togg for GMC GDPI120-5 - Part 18161-17P

    Gas furnace diagram

    Wrapper Togg

    Part #18161-17P

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

  • Service Blow for GMC GDPI120-5 - Part 18682-45S

    Blower assemblies diagram

    Service Blow

    Part #18682-45S

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

  • Power Vent H for GMC GDPI120-5 - Part 18812-10

    Heat exchanger assembly diagram

    Power Vent H

    Part #18812-10

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

  • Furnace Burner Roll-out Limit Switch for GMC GDPI120-5 - Part B13701-08

    Heat exchanger assembly diagram

    Furnace Burner Roll-out Limit Switch

    Part #B13701-08

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

  • Flue Restric for GMC GDPI120-5 - Part 18248-17

    Heat exchanger assembly diagram

    Flue Restric

    Part #18248-17

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

Symptoms for gas cooktops

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…

Repair guides for gas cooktops

How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Repair time and Difficulty

 30 minutes or less
How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Repair time and Difficulty

 45 minutes or less

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

2023 HVAC regulation changes and how they may affect you

2023 HVAC regulation changes and how they may affect you

Find out how new DOE standards going into effect in 2023 can affect you and what you need to do.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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