Model # GDT045-3B Official Goodman gas furnace

Here are the diagrams and repair parts for Official Goodman GDT045-3B gas furnace, 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 154 parts |

#131

Burner box assembly diagram

Igniter

Part #B1401015S

Replaced by #B1401018S

$43.19 |

12% OFF Phone Price : $49.19

In Stock

Qty

Furnace Hot-surface Ignition Control Board (replaces 18099-13s, B18099-13s) B1809913S

#291

Misc. components/drain kit assembly diagram

Furnace hot-surface ignition control board (replaces 18099-13s, b18099-13s)

Part #B1809913S

This item is not returnable

$185.31 |

6% OFF Phone Price : $197.31

In Stock

Qty

#111

Heat exchanger assembly diagram

Motor

Part #B4059001

Replaced by #0131M00002PSP

$158.40 |

7% OFF Phone Price : $170.40

In Stock

Qty

Furnace Burner Roll-out Limit Switch B1370145

#151

Burner box assembly diagram

Furnace burner roll-out limit switch

Part #B1370145

$11.69

In Stock

Qty

#351D

Misc. components/drain kit assembly diagram

Furnace air pressure switch

Part #B1370159

$57.18

In Stock

Qty

#191F

Burner box assembly diagram

Manifold

Part #B4026003

$48.92 |

11% OFF Phone Price : $54.92

Back Order

Qty

#241B

Blower assembly diagram

Wheel blow

Part #B1368016

Replaced by #B1368016S

$107.24

In Stock

Qty

#81A

Heat exchanger assembly diagram

Furnace flue restrictor plate

Part #4028001

This item is not returnable

$5.06

In Stock

Qty

#101B

Heat exchanger assembly diagram

Goodman flue collector box

Part #4810004S

$236.62

In Stock

Qty

#91F

Heat exchanger assembly diagram

Switch

Part #B1370193

$34.18

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Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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How do I tune up my snowblower?

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Why won't my snowblower throw snow far enough?

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Why does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

What should I do about a damaged snowblower tire?

Main causes: punctured tire, damaged rim…

Why does my snowblower engine run rough?

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Why won't my snowblower start?

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Why doesn't my snowblower self propel?

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Why won't my snowblower chute turn?

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Why won't my snowblower clear snow well?

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Repair guides for gas snowblowers

These step-by-step repair guides will help you safely fix what’s broken on your snowblower.

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How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

Repair difficulty

Time required

15 minutes or less

How to adjust snowblower skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

Repair difficulty

Time required

15 minutes or less

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty

Time required

15 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles and videos to get the most out of your snowblower.

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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

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

Top questions about Sears and Sears PartsDirect

Model # GDT045-3B Official Goodman gas furnace

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas snowblowers

How do I tune up my snowblower?

Why won't my snowblower throw snow far enough?

Why does my snowblower stop running after a few seconds?

What should I do about a damaged snowblower tire?

Why does my snowblower engine run rough?

Why won't my snowblower start?

Why doesn't my snowblower self propel?

Why won't my snowblower chute turn?

Why won't my snowblower clear snow well?

Repair guides for gas snowblowers

How to adjust snowblower engine valve lash

How to adjust snowblower skid shoes

How to replace a snowblower shave plate

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

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

Top questions about Sears and Sears PartsDirect

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