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Model # 917374940 Official Craftsman lawn mower
Here are the diagrams and repair parts for Official Craftsman 917374940 lawn mower, as well as links to manuals and error code tables, if available.
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Browse Parts for917374940 Walk-Behind Mowers
- #33
Drive control/gear case/wheels diagram
Lawn & garden equipment nutPart #409148
Replaced by #532409149
?Manufacturer substitutionThis part replaces 409148. Substitute parts can look different from the original.This item is not returnable$6.29 |14% OFF Phone Price : $7.29In Stock - #57
Drive control/gear case/wheels diagram
Lawn mower hex flange nutPart #409149
Replaced by #532409149
?Manufacturer substitutionThis part replaces 409149. Substitute parts can look different from the original.This item is not returnable$6.29 |14% OFF Phone Price : $7.29In Stock - #47
Engine/housing/handle diagram
Husqvarna lawn mower 22-inch deck 3-in-1 bladePart #421825
Replaced by #532421825
?Manufacturer substitutionThis part replaces 421825. Substitute parts can look different from the original.Get free shipping with Automatic Reorder
$26.64 |18% OFF Phone Price : $32.64In Stock - #30
Engine/housing/handle diagram
Lawn mower grass bagPart #429016
Replaced by #580943401
?Manufacturer substitutionThis part replaces 429016. Substitute parts can look different from the original.$48.73 |11% OFF Phone Price : $54.73In Stock - #12
Engine/housing/handle diagram
Hndl.knob.blPart #189713X428
Replaced by #532185577
?Manufacturer substitutionThis part replaces 189713X428. Substitute parts can look different from the original.$11.88 |14% OFF Phone Price : $13.88In Stock - #38
Engine/housing/handle diagram
Lawn mower clipping deflectorPart #419942X428
Replaced by #532426129
?Manufacturer substitutionThis part replaces 419942X428. Substitute parts can look different from the original.This item is not returnable$14.42 |12% OFF Phone Price : $16.42In Stock - #40
Drive control/gear case/wheels diagram
Lawn mower wheel, 8 x 1.75-inPart #400249X460
Replaced by #583733801
?Manufacturer substitutionThis part replaces 400249X460. Substitute parts can look different from the original.$30.63 |16% OFF Phone Price : $36.63In Stock - #31
Drive control/gear case/wheels diagram
Drive pawlPart #404845
Replaced by #532404845
?Manufacturer substitutionThis part replaces 404845. Substitute parts can look different from the original.$7.20 |12% OFF Phone Price : $8.20In Stock - #1
Drive control/gear case/wheels diagram
Control.ez.2Part #427444
Replaced by #598688301
?Manufacturer substitutionThis part replaces 427444. Substitute parts can look different from the original.$38.84 |13% OFF Phone Price : $44.84In Stock - #32
Drive control/gear case/wheels diagram
Lawn mower wheelPart #428780X428
Replaced by #581336701
?Manufacturer substitutionThis part replaces 428780X428. Substitute parts can look different from the original.$54.98 |10% OFF Phone Price : $60.98In Stock
Symptoms for gas walk-behind mowers
Choose a symptom to see related walk-behind mower repairs.
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…
Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…
Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…
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.

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…
Repair difficulty
Time required
15 minutes or less

How to replace a lawn mower blade
Check your lawn mower blade regularly and replaced it if it's bent or damaged. …
Repair difficulty
Time required
15 minutes or less

How to replace a lawn mower flywheel key on a flathead engine
When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…
Repair difficulty
Time required
45 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.

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

Learn about the top 10 must-have electric lawn & garden tools for 2023…

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…