Craftsman
Gas Walk-Behind Mower

Model # 917372100 Official Craftsman 20" power-propelled lawn mower

Here are the diagrams and repair parts for Official Craftsman 917372100 20" power-propelled lawn mower, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 107 parts  |

Blade 69229
Blade

Part #69229

Replaced by #145106

?
Manufacturer substitution
This part replaces 69229. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable

Get free shipping with Automatic Reorder

$13.39
13% OFF Phone Price : $15.39
In Stock
Wheel And Tire Assembly 78890
#34

Main frame diagram

Wheel and tire assembly

Part #78890

Replaced by #33781

?
Manufacturer substitution
This part replaces 78890. Substitute parts can look different from the original.
$13.19
13% OFF Phone Price : $15.19
In Stock
Shoulder Bolt 84921
#48

Main frame diagram

Shoulder bolt

Part #84921

Replaced by #532174719

?
Manufacturer substitution
This part replaces 84921. Substitute parts can look different from the original.
This item is not returnable
In Stock
Decal 85463
#19

Main frame diagram

Decal

Part #85463

Replaced by #539913010

?
Manufacturer substitution
This part replaces 85463. Substitute parts can look different from the original.
This item is not returnable
In Stock
Washer 52160
#35

Main frame diagram

Washer

Part #52160

Replaced by #532052160

?
Manufacturer substitution
This part replaces 52160. Substitute parts can look different from the original.
This item is not returnable
$3.99
20% OFF Phone Price : $4.99
In Stock
Handle Knob 63688
#4

Main frame diagram

Handle knob

Part #63688

Replaced by #532183724

?
Manufacturer substitution
This part replaces 63688. Substitute parts can look different from the original.
This item is not returnable
$7.29
12% OFF Phone Price : $8.29
In Stock
Lock Nut, 1/4-20 STD541425
Lock nut, 1/4-20

Part #STD541425

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

Lock Nut, #10-24 STD541410
#37

Drive assembly diagram

Lock nut, #10-24

Part #STD541410

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

Washer 74232
#36

Main frame diagram

Washer

Part #74232

Replaced by #19171912

?
Manufacturer substitution
This part replaces 74232. Substitute parts can look different from the original.
This item is not returnable
$2.96
30% OFF MSRP : $4.20
In Stock
Lock Nut 74189
#8

Drive assembly diagram

Lock nut

Part #74189

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.

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

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

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

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.

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…

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.…

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.…