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Craftsman
Gas Walk-Behind Mower

Model # 917978661 Official Craftsman 22" power-propelled lawn mower

Here are the diagrams and repair parts for Official Craftsman 917978661 22" power-propelled lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 109 parts  |
Selector Knob 77865
#41

Replacement parts diagram

Selector knob

Part #77865

Replaced by #532701037

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Manufacturer substitution
This part replaces 77865. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.64 | 
13% OFF Phone Price : $7.64
In Stock
Clamp 74486
#21

Replacement parts diagram

Clamp

Part #74486

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

Wheel And Tire Assembly 78890
#48

Replacement parts diagram

Wheel and tire assembly

Part #78890

Replaced by #33781

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Manufacturer substitution
This part replaces 78890. Substitute parts can look different from the original.
$13.19 | 
13% OFF Phone Price : $15.19
In Stock
Repair Link Kit STD316659
#37

Drive assembly diagram

Repair link kit

Part #STD316659

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

Bolt 58714
#6

Replacement parts diagram

Bolt

Part #58714

Replaced by #532183724

?
Manufacturer substitution
This part replaces 58714. Substitute parts can look different from the original.
This item is not returnable
$11.98 | 
14% OFF Phone Price : $13.98
In Stock
Handle Knob 63688
#7

Replacement parts diagram

Handle knob

Part #63688

Replaced by #532183724

?
Manufacturer substitution
This part replaces 63688. Substitute parts can look different from the original.
This item is not returnable
$11.98 | 
14% OFF Phone Price : $13.98
In Stock
Lawn Mower Retainer Clip, 4-pack 55015
#51

Replacement parts diagram

Lawn mower retainer clip, 4-pack

Part #55015

Replaced by #582934801

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Manufacturer substitution
This part replaces 55015. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Bracket Support 62887
#24

Replacement parts diagram

Bracket support

Part #62887

Replaced by #532192983

?
Manufacturer substitution
This part replaces 62887. Substitute parts can look different from the original.
$37.31
In Stock
Hairpin 51793
#11

Replacement parts diagram

Hairpin

Part #51793

Replaced by #532051793

?
Manufacturer substitution
This part replaces 51793. Substitute parts can look different from the original.
This item is not returnable
$7.98 | 
11% OFF Phone Price : $8.98
In Stock
Washer 59289
#25

Replacement parts diagram

Washer

Part #59289

Replaced by #532059289

?
Manufacturer substitution
This part replaces 59289. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock

Symptoms for gas walk-behind mowers

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

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Why does my lawn mower vibrate a lot?

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

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Why does my lawn mower cut unevenly?

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

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Why does my lawn mower run rough?

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

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Why won't my lawn mower move?

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

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Why won't my lawn mower start?

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

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Why does my lawn mower stall?

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

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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.

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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.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your walk-behind mowers

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Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Types of walk-behind mower blades video

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