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Craftsman
Gas Walk-Behind Mower

Model # 917388850 Official Craftsman rotary lawn mower

Here are the diagrams and repair parts for Official Craftsman 917388850 rotary 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual
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Model diagram and schematic

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ALL PARTS
Showing 10 of 194 parts  |
Lock Nut 83923
#39

Engine/housing/bag/wheels/tires 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
Hndl.knob.bl 189713X428
#14

Engine/housing/bag/wheels/tires diagram

Hndl.knob.bl

Part #189713X428

Replaced by #532185577

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Manufacturer substitution
This part replaces 189713X428. Substitute parts can look different from the original.
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$10.64 | 
16% OFF Phone Price : $12.64
In Stock
Lawn Mower Wheel 194348X427
#37

Engine/housing/bag/wheels/tires diagram

Lawn mower wheel

Part #194348X427

Replaced by #583720201

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Manufacturer substitution
This part replaces 194348X427. Substitute parts can look different from the original.
BEST SELLER
$25.18 | 
19% OFF Phone Price : $31.18
In Stock
Handle Bolt 191574
#6

Engine/housing/bag/wheels/tires diagram

Handle bolt

Part #191574

Replaced by #532191574

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Manufacturer substitution
This part replaces 191574. Substitute parts can look different from the original.
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$7.98 | 
11% OFF Phone Price : $8.98
In Stock
Bagger 188812
#50

Engine/housing/bag/wheels/tires diagram

Bagger

Part #188812

Replaced by #532410666

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Manufacturer substitution
This part replaces 188812. Substitute parts can look different from the original.
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$68.54 | 
8% OFF Phone Price : $74.54
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Nut 132004
#5

Engine/housing/bag/wheels/tires 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.
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$2.64 | 
27% OFF Phone Price : $3.64
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Lawn Mower 21-in Deck 3-in-1 Blade (replaces 532189028, 5321890-28) 189028
#56

Engine/housing/bag/wheels/tires diagram

Lawn mower 21-in deck 3-in-1 blade (replaces 532189028, 5321890-28)

Part #189028

Replaced by #532189028

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Manufacturer substitution
This part replaces 189028. Substitute parts can look different from the original.

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$24.60
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Skirt 188987
#21

Engine/housing/bag/wheels/tires diagram

Skirt

Part #188987

Replaced by #532413160

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Manufacturer substitution
This part replaces 188987. Substitute parts can look different from the original.
$20.54
In Stock
Lawn & Garden Equipment Screw 851084
#53

Engine/housing/bag/wheels/tires diagram

Lawn & garden equipment screw

Part #851084

Replaced by #532851084

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Manufacturer substitution
This part replaces 851084. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Lawn & Garden Equipment Washer (replaces 532851074, 5328510-74) 851074
#55

Engine/housing/bag/wheels/tires diagram

Lawn & garden equipment washer (replaces 532851074, 5328510-74)

Part #851074

Replaced by #532851074

?
Manufacturer substitution
This part replaces 851074. 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…

Read more

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

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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Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

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