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Craftsman
Gas Walk-Behind Mower

Model # 917251050 Official Craftsman 42" rotary lawn mower

Here are the diagrams and repair parts for Official Craftsman 917251050 42" 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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Showing 10 of 125 parts  |
Hitch Pin, 2-pack 4939M
#39

Lift assembly diagram

Hitch pin, 2-pack

Part #4939M

Replaced by #596919601

?
Manufacturer substitution
This part replaces 4939M. Substitute parts can look different from the original.
This item is not returnable
$3.98 | 
20% OFF Phone Price : $4.98
In Stock
Washer 446363
#4

Mandrel assembly diagram

Washer

Part #446363

The manufacturer no longer makes this part, and there's no substitute part

Bushing 4969H
#22

Mandrel assembly diagram

Bushing

Part #4969H

Replaced by #583768701

?
Manufacturer substitution
This part replaces 4969H. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Washer 120392
#45

Mandrel assembly diagram

Washer

Part #120392

The manufacturer no longer makes this part, and there's no substitute part

Cotter 137185
#8

Lift assembly diagram

Cotter

Part #137185

The manufacturer no longer makes this part, and there's no substitute part

Gripco Nut 1685H
#3

Mandrel assembly diagram

Gripco nut

Part #1685H

The manufacturer no longer makes this part, and there's no substitute part

Washer 4376H
#10A

Mandrel assembly diagram

Washer

Part #4376H

The manufacturer no longer makes this part, and there's no substitute part

Clevis Pin 7461H
#21

Lift assembly diagram

Clevis pin

Part #7461H

Replaced by #583778201

?
Manufacturer substitution
This part replaces 7461H. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Spring 2876H
#27

Lift assembly diagram

Spring

Part #2876H

Replaced by #532002876

?
Manufacturer substitution
This part replaces 2876H. Substitute parts can look different from the original.
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Washer 120394
#9

Optional equipment/leaf mulcher diagram

Washer

Part #120394

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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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 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 stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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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 cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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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…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

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Repair difficulty
Time required
 30 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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Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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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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