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Craftsman
Gas Walk-Behind Mower

Model # 917378650 Official Craftsman gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Craftsman 917378650 gas walk-behind lawn mower, 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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Model diagram and schematic

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ALL PARTS
Showing 10 of 147 parts  |
Lawn Mower Wheel Dust Cover 88080
#21

Drive assembly diagram

Lawn mower wheel dust cover

Part #88080

Replaced by #581840401

?
Manufacturer substitution
This part replaces 88080. Substitute parts can look different from the original.
BEST SELLER
$8.22 | 
11% OFF Phone Price : $9.22
In Stock
Starter 590686
#1-13

Starter 590686 (71/143) diagram

Starter

Part #590686

Replaced by #590785

?
Manufacturer substitution
This part replaces 590686. Substitute parts can look different from the original.
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$29.58 | 
17% OFF Phone Price : $35.58
In Stock
Lawn Mower Blade Adapter 851514
#57

Main frame diagram

Lawn mower blade adapter

Part #851514

Replaced by #581547901

?
Manufacturer substitution
This part replaces 851514. Substitute parts can look different from the original.
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$19.36 | 
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Lawn & Garden Equipment Engine Recoil Starter Rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032) 590535
#12

Starter 590686 (71/143) diagram

Lawn & garden equipment engine recoil starter rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032)

Part #590535

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This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
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Washer 67725
#19

Drive assembly 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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$7.98 | 
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Troybilt Lawn & Garden Equipment Engine Carburetor O-ring 632547
Troybilt lawn & garden equipment engine carburetor o-ring

Part #632547

This item is not returnable
$3.64 | 
22% OFF Phone Price : $4.64
In Stock
Belt 137078
#6

Drive assembly diagram

Belt

Part #137078

Replaced by #532157769

?
Manufacturer substitution
This part replaces 137078. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$25.69
In Stock
Walk-behind Lawn Mower Selector Knob 87877
Walk-behind lawn mower selector knob

Part #87877

Replaced by #532087877

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Manufacturer substitution
This part replaces 87877. Substitute parts can look different from the original.
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 730235, 730235a) 730235B
#(NI)

Carburetor 632671 (71/143) diagram

Lawn & garden equipment engine carburetor rebuild kit (replaces 730235, 730235a)

Part #730235B

$38.12 | 
14% OFF Phone Price : $44.12
In Stock
Tecumseh Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket 632548
#29

Carburetor 632671 (71/143) diagram

Tecumseh lawn & garden equipment engine carburetor float bowl gasket

Part #632548

This item is not returnable
$7.80
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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