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Craftsman
Gas Walk-Behind Mower

Model # 917377971 Official Craftsman 21" 6.75-hp rotary lawn mower

Here are the diagrams and repair parts for Official Craftsman 917377971 21" 6.75-hp rotary lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual
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Model diagram and schematic

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ALL PARTS
Showing 10 of 289 parts  |
Lawn Mower Wheel Dust Cover 88080
#29

Wheels/tires diagram

Lawn mower wheel dust cover

Part #88080

Replaced by #581840401

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Manufacturer substitution
This part replaces 88080. Substitute parts can look different from the original.
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$8.22 | 
11% OFF Phone Price : $9.22
In Stock
Husqvarna Lawn Mower 21-in Deck Mulching Blade (replaces 187183, 33273, 33364, 532159267) 159267
#31

Engine/handle/housing diagram

Husqvarna lawn mower 21-in deck mulching blade (replaces 187183, 33273, 33364, 532159267)

Part #159267

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$8.93 | 
10% OFF Phone Price : $9.93
In Stock
Lawn Mower Blade Adapter 851514
#30

Engine/handle/housing diagram

Lawn mower blade adapter

Part #851514

Replaced by #581547901

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Manufacturer substitution
This part replaces 851514. Substitute parts can look different from the original.
BEST SELLER
$19.36 | 
9% OFF Phone Price : $21.36
In Stock
Lawn & Garden Equipment Hinge Screw 88652
#28

Engine/handle/housing diagram

Lawn & garden equipment hinge screw

Part #88652

Replaced by #532088652

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Manufacturer substitution
This part replaces 88652. Substitute parts can look different from the original.
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This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Washer 67725
#30

Wheels/tires 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 | 
11% OFF Phone Price : $8.98
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Wheel 9x2 Re 150342
#32

Wheels/tires diagram

Wheel 9x2 re

Part #150342

Replaced by #532193139

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Manufacturer substitution
This part replaces 150342. Substitute parts can look different from the original.
$54.98 | 
10% OFF Phone Price : $60.98
In Stock
Rope Guide 132001
#4

Engine/handle/housing diagram

Rope guide

Part #132001

Replaced by #586122501

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Manufacturer substitution
This part replaces 132001. Substitute parts can look different from the original.
This item is not returnable
$15.59 | 
11% OFF Phone Price : $17.59
In Stock
Lawn Mower E-ring (replaces 12000057) 12000058
#28

Wheels/tires diagram

Lawn mower e-ring (replaces 12000057)

Part #12000058

Replaced by #812000058

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Manufacturer substitution
This part replaces 12000058. Substitute parts can look different from the original.
This item is not returnable
$5.11
In Stock
Lock Nut 88349
#68

Engine/handle/housing diagram

Lock nut

Part #88349

Replaced by #532088349

?
Manufacturer substitution
This part replaces 88349. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Lawn Mower Idler Pulley 166043
#64

Engine/handle/housing diagram

Lawn mower idler pulley

Part #166043

Replaced by #532166043

?
Manufacturer substitution
This part replaces 166043. Substitute parts can look different from the original.
$37.31
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.…

Read more
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.…

Read more
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.…

Read more
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

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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