Craftsman
Gas Walk-Behind Mower

Model # 154378370 Official Craftsman lawn mower

Here are the diagrams and repair parts for Official Craftsman 154378370 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 116 parts  |

Lawn Mower 21-in Deck 3-in-1 Blade 201045000246
#13

Lawn mower diagram

Lawn mower 21-in deck 3-in-1 blade

Part #201045000246

BEST SELLER
This item is not returnable
$18.41
26% OFF MSRP : $25.00
In Stock
Cable Assembly 199081000132
#1-26

Lawn mower diagram

Cable assembly

Part #199081000132

This item is not returnable
In Stock
Cable Assembly 199081000131
#1-27

Lawn mower diagram

Cable assembly

Part #199081000131

This item is not returnable
In Stock
Lawn Mower Blade Adapter 201101000060
#12

Lawn mower diagram

Lawn mower blade adapter

Part #201101000060

This item is not returnable
$8.99
44% OFF MSRP : $16.00
In Stock
Flange Nut 8NE-08D01
#4

Lawn mower diagram

Flange nut

Part #8NE-08D01

This item is not returnable
In Stock
Net Bag 299001000110
#66

Lawn mower diagram

Net bag

Part #299001000110

In Stock
Lawn Mower Zone Control Cable 199081000130
#41

Lawn mower diagram

Lawn mower zone control cable

Part #199081000130

This item is not returnable
In Stock
Bootstrap Component 199134000010
#1-17

Lawn mower diagram

Bootstrap component

Part #199134000010

In Stock
Elastic Ring For Shaft 8CC-12B
Elastic ring for shaft

Part #8CC-12B

This item is not returnable
In Stock
Lawn Mower Blade Drive Belt 207130100003
#7

Lawn mower diagram

Lawn mower blade drive belt

Part #207130100003

In 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

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.…