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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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ALL PARTS
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
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Wizard Lawn Tractor Grease Fitting (replaces 1641, 40493, 532006855, 532124836, 532155595, 62569, 706, Lp-706) 6855M
#12

Mandrel assembly diagram

Wizard lawn tractor grease fitting (replaces 1641, 40493, 532006855, 532124836, 532155595, 62569, 706, lp-706)

Part #6855M

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
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
$5.25
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
$4.20 | 
19% OFF Phone Price : $5.20
In Stock
Cotter 137185
#8

Lift assembly diagram

Cotter

Part #137185

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

Washer 120638
Washer

Part #120638

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 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 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.…

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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

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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