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Craftsman
Gas Walk-Behind Mower

Model # 917378770 Official Craftsman gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Craftsman 917378770 gas walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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  • 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”.

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Owner’s manual
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Model diagram and schematic

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ALL PARTS
Showing 10 of 249 parts  |
Hex Flange Lock Nut 145212
#9

Transmission/wheels/bagger diagram

Hex flange lock nut

Part #145212

Replaced by #532409149

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Manufacturer substitution
This part replaces 145212. Substitute parts can look different from the original.
BEST SELLER
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$5.31 | 
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Pipe Fitting 132010
#31

Transmission/wheels/bagger diagram

Pipe fitting

Part #132010

Replaced by #532409149

?
Manufacturer substitution
This part replaces 132010. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31 | 
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Lock Nut 83923
#26

Engine/handles/housing diagram

Lock nut

Part #83923

Replaced by #532409149

?
Manufacturer substitution
This part replaces 83923. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Handle Knob 136376
#6

Engine/handles/housing diagram

Handle knob

Part #136376

Replaced by #532185577

?
Manufacturer substitution
This part replaces 136376. Substitute parts can look different from the original.
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$10.64 | 
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In Stock
Lawn Mower Drive Wheel, 8 X 2-in (replaces 180767, 532180775, 5321807-75) 180775
#11

Transmission/wheels/bagger diagram

Lawn mower drive wheel, 8 x 2-in (replaces 180767, 532180775, 5321807-75)

Part #180775

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Dust Cover 180504
#14

Transmission/wheels/bagger diagram

Dust cover

Part #180504

Replaced by #581840401

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Manufacturer substitution
This part replaces 180504. Substitute parts can look different from the original.
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$7.98 | 
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Washer 67725
#16

Transmission/wheels/bagger diagram

Washer

Part #67725

Replaced by #532067725

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Manufacturer substitution
This part replaces 67725. Substitute parts can look different from the original.
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Condrol.driv 179681
#1

Transmission/wheels/bagger diagram

Condrol.driv

Part #179681

Replaced by #583134601

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Manufacturer substitution
This part replaces 179681. Substitute parts can look different from the original.
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$33.31 | 
15% OFF Phone Price : $39.31
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Lawn Mower Zone Control Cable 133107
#4

Engine/handles/housing diagram

Lawn mower zone control cable

Part #133107

Replaced by #532133107

?
Manufacturer substitution
This part replaces 133107. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$23.98 | 
20% OFF Phone Price : $29.98
In Stock
Lock Nut 751152
#3

Transmission/wheels/bagger diagram

Lock nut

Part #751152

Replaced by #532191730

?
Manufacturer substitution
This part replaces 751152. 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 run rough?

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

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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 vibrate a lot?

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

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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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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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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 replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

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Repair difficulty
Time required
 45 minutes or less

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

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

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

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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.…

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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.…

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