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Craftsman
Gas Walk-Behind Mower

Model # 917387990 Official Craftsman rotary lawn mower

Here are the diagrams and repair parts for Official Craftsman 917387990 rotary 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 51 parts  |
Lock Nut 83923
#37

Rotary lawn mower diagram

Lock nut

Part #83923

Replaced by #532409149

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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
#14

Rotary lawn mower diagram

Handle knob

Part #136376

Replaced by #532185577

?
Manufacturer substitution
This part replaces 136376. Substitute parts can look different from the original.
BEST SELLER
$10.64
| 
16% OFF Phone Price : $12.64
In Stock
Handle Bolt 131959
#7

Rotary lawn mower diagram

Handle bolt

Part #131959

Replaced by #532191574

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Manufacturer substitution
This part replaces 131959. Substitute parts can look different from the original.
BEST SELLER
$7.98
| 
11% OFF Phone Price : $8.98
In Stock
Lawn Mower Blade Adapter 850977
#53

Rotary lawn mower diagram

Lawn mower blade adapter

Part #850977

Replaced by #581547901

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Manufacturer substitution
This part replaces 850977. Substitute parts can look different from the original.
BEST SELLER
$18.44
| 
10% OFF Phone Price : $20.44
In Stock
Nut 132004
#57

Rotary lawn mower diagram

Nut

Part #132004

Replaced by #582478602

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Manufacturer substitution
This part replaces 132004. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.64
| 
27% OFF Phone Price : $3.64
In Stock
Rope Guide 179585
#2

Rotary lawn mower diagram

Rope guide

Part #179585

Replaced by #586122501

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Manufacturer substitution
This part replaces 179585. Substitute parts can look different from the original.
This item is not returnable
$15.59
| 
11% OFF Phone Price : $17.59
In Stock
Walk-behind Lawn Mower Selector Knob 87877
#32

Rotary lawn mower diagram

Walk-behind lawn mower selector knob

Part #87877

Replaced by #532087877

?
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
Spring 700331X004
#31

Rotary lawn mower diagram

Spring

Part #700331X004

Replaced by #532401621

?
Manufacturer substitution
This part replaces 700331X004. Substitute parts can look different from the original.
$8.54
In Stock
Tapping Screw 750097
#9

Rotary lawn mower diagram

Tapping screw

Part #750097

Replaced by #817021008

?
Manufacturer substitution
This part replaces 750097. Substitute parts can look different from the original.
This item is not returnable
$3.99
In Stock
Screw, 5/16-in 149741
#41

Rotary lawn mower diagram

Screw, 5/16-in

Part #149741

Replaced by #532171877

?
Manufacturer substitution
This part replaces 149741. Substitute parts can look different from the original.
$8.54
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 difficulty
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60 minutes or less
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15 minutes or less
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Types of walk-behind mower blades video

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