Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

GMC GDPS100-3 gas furnace Parts

Here are the diagrams and repair parts for GMC GDPS100-3 gas furnace, as well as links to manuals and error code tables, if available.

GMC GDPS100-3 gas furnace
By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for GDPS100-3 Gas Furnace

  • Secondary Ai for GMC GDPS100-3 - Part 18224-19

    Heat exchanger assembly diagram

    Secondary Ai

    Part #18224-19

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

  • Secondary Ai for GMC GDPS100-3 - Part 18224-18

    Heat exchanger assembly diagram

    Secondary Ai

    Part #18224-18

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

  • Motor Mounting Bracket for GMC GDPS100-3 - Part B13768-51

    Blower assemblies diagram

    Motor Mounting Bracket

    Part #B13768-51

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

  • Thermocouple for GMC GDPS100-3 - Part B11726-00

    Gas furnace diagram

    Thermocouple

    Part #B11726-00

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

  • Furnace Blower Door for GMC GDPS100-3 - Part 18223-35

    Gas furnace diagram

    Furnace Blower Door

    Part #18223-35

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

  • Power Vent H for GMC GDPS100-3 - Part 18812-09

    Heat exchanger assembly diagram

    Power Vent H

    Part #18812-09

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

  • Gas Orifice for GMC GDPS100-3 - Part B17893-43

    Gas furnace diagram

    Gas Orifice

    Part #B17893-43

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

  • Blower Wheel for GMC GDPS100-3 - Part B13680-34

    Blower assemblies diagram

    Blower Wheel

    Part #B13680-34

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

  • Gas Burner for GMC GDPS100-3 - Part B18225-00

    Gas furnace diagram

    Gas Burner

    Part #B18225-00

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

  • Burner Assembly for GMC GDPS100-3 - Part B18225-02

    Gas furnace diagram

    Burner Assembly

    Part #B18225-02

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

Repair guides for rear-tine tillers

How to replace a tiller drive belt

How to replace a tiller drive belt

The drive belt connects the engine to the transmission, which drives the tines and wheels. If the drive belt is worn an…

Repair time and Difficulty

 15 minutes or less
How to replace the tines on a rear-tine tiller

How to replace the tines on a rear-tine tiller

Badly worn tines cut through the soil less effectively. If the tines are bent, dull or worn, follow these steps to repla…

Repair time and Difficulty

 30 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.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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.…

Parts & More

Air Handler
Audio Equipment
Camcorder
Central Air Conditioner
Electric Cooktop
Exercise Cycle
Gas Cooktop
Gas Grill
Gas Water Heater
Lawn & Garden Engine
Microwave/Hood Combo
Plasma Television
Television
Treadmill
Upright Freezer
Upright Vacuum