Carrier
Furnace

Model # 58MVB120F10120 Official Carrier furnace

Here are the diagrams and repair parts for Official Carrier 58MVB120F10120 furnace, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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ALL PARTS
Showing 10 of 207 parts  |

Furnace Heat Exchanger 320723-751

#NI140

All parts diagram

Furnace heat exchanger

Part #320723-751

$223.55
$10.00 OFF Phone Price : $233.55
In Stock
Carrier Control Box Bracket 322210-401

#NI157

All parts diagram

Carrier control box bracket

Part #322210-401

In Stock
Insul C-pn 306613-202

#NI85

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Insul c-pn

Part #306613-202

This item is not returnable
In Stock
Cover 319825-402

#NI116

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Cover

Part #319825-402

In Stock
Wheel 322592-701

#NI158

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Wheel

Part #322592-701

In Stock
Support Cl 324831-401

#NI165

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Support cl

Part #324831-401

In Stock
Furnace Blower Housing 320788-707

#NI143

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Furnace blower housing

Part #320788-707

$284.64
$10.00 OFF Phone Price : $294.64
In Stock
Furnace Power Choke HT08AH115

#NI17

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Furnace power choke

Part #HT08AH115

In Stock
Blower Wheel LA22ZA127

#NI74

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Blower wheel

Part #LA22ZA127

$196.57
5% OFF Phone Price : $206.57
In Stock
Support 319831-305

#NI118

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Support

Part #319831-305

In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Repair difficulty
Time required
 60 minutes or less
How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower ignition coil on a flathead engine

How to replace a lawn mower ignition coil on a flathead engine

If the spark plug doesn't fire when you try to start the mower, you could have a defective ignition coil. Follow these s…

Repair difficulty
Time required
 30 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 walk-behind lawn mower.

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.…