Model # 867766142 Official Sears counterflow gas furnace

Here are the diagrams and repair parts for Official Sears 867766142 counterflow gas furnace, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

Click a diagram to see the parts shown on that diagram.
In the search box below, enter all or part of the part number or the part’s name.

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

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 59 parts |

Functional replacement parts diagram

Capacitor

Part #91593

Replaced by #12908

This item is not returnable

$5.26 |

16% OFF Phone Price : $6.26

In Stock

Qty

#15

Functional replacement parts diagram

Ferrule nut

Part #29441

Replaced by #9000278

This item is not returnable

$17.69 |

10% OFF Phone Price : $19.69

In Stock

Qty

#12A

Functional replacement parts diagram

Lp gas valve

Part #1004613

Replaced by #36C03-333

$277.97 |

$10.00 OFF Phone Price : $287.97

In Stock

Qty

#12

Functional replacement parts diagram

N gas valve

Part #1004612

Replaced by #36C03-333

$277.97 |

$10.00 OFF Phone Price : $287.97

In Stock

Qty

#13

Functional replacement parts diagram

Thermocouple

Part #600268

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

#11

Functional replacement parts diagram

Limit switch

Part #1005549

Replaced by #1013102

$15.62 |

11% OFF Phone Price : $17.62

In Stock

Qty

Functional replacement parts diagram

Furnace blower fan motor mounting kit

Part #609227

$113.60

In Stock

Qty

#14

Functional replacement parts diagram

Pilot tube

Part #1004619

Replaced by #64930

$77.80

In Stock

Qty

#25

Functional replacement parts diagram

Fan relay

Part #92840

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

Functional replacement parts diagram

F&l control

Part #614250

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

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

View all

Why doesn't my snowblower auger turn?

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

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, …

Why won't my snowblower start?

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

What should I do about a damaged snowblower tire?

Main causes: punctured tire, damaged rim…

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…

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 does my snowblower engine run rough?

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

Why does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

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…

Repair guides for gas snowblowers

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

View all

How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

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 rebuild a snowblower carburetor

Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…

Repair difficulty

Time required

45 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.

View all

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 # 867766142 Official Sears counterflow gas furnace

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas snowblowers

Why doesn't my snowblower auger turn?

Why won't my snowblower clear snow well?

Why won't my snowblower start?

What should I do about a damaged snowblower tire?

Why won't my snowblower throw snow far enough?

How do I tune up my snowblower?

Why does my snowblower engine run rough?

Why does my snowblower stop running after a few seconds?

Why doesn't my snowblower self propel?

Repair guides for gas snowblowers

How to replace a snowblower fuel filter

How to adjust snowblower skid shoes

How to rebuild a snowblower carburetor

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

Parts & More

Stay Connected

Quick links

Let us help you

More resources