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Craftsman
Lawn & Garden Engine

Model # 50010A902-0181-03 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 50010A902-0181-03 engine, as well as links to manuals and error code tables, if available.

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  • 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”.

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

Model diagram and schematic

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ALL PARTS
Showing 10 of 127 parts  |
Spark Plug 492167
Spark plug

Part #492167

Replaced by #J19LM

?
Manufacturer substitution
This part replaces 492167. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.80 | 
17% OFF Phone Price : $5.80
In Stock
Breather Grommet 67838
Breather grommet

Part #67838

Replaced by #692189

?
Manufacturer substitution
This part replaces 67838. Substitute parts can look different from the original.
This item is not returnable
$7.59 | 
12% OFF Phone Price : $8.59
In Stock
Seal Int El 270344
Seal int el

Part #270344

Replaced by #270344S

?
Manufacturer substitution
This part replaces 270344. Substitute parts can look different from the original.
This item is not returnable
$4.91 | 
17% OFF Phone Price : $5.91
In Stock
Terminal Cable 221798
Terminal cable

Part #221798

Replaced by #493880S

?
Manufacturer substitution
This part replaces 221798. Substitute parts can look different from the original.
This item is not returnable
$4.75 | 
17% OFF Phone Price : $5.75
In Stock
Armature 398593
Armature

Part #398593

Replaced by #591420

?
Manufacturer substitution
This part replaces 398593. Substitute parts can look different from the original.
$67.99 | 
8% OFF Phone Price : $73.99
In Stock
Plug 94720
Plug

Part #94720

Replaced by #691680

?
Manufacturer substitution
This part replaces 94720. Substitute parts can look different from the original.
$9.59 | 
9% OFF Phone Price : $10.59
In Stock
Lawn & Garden Equipment Engine Fuel Tank (replaces Bs-494406) 494406
Lawn & garden equipment engine fuel tank (replaces bs-494406)

Part #494406

$98.50 | 
11% OFF Phone Price : $110.50
In Stock
Lawn & Garden Equipment Engine Stop Wire 398808
Lawn & garden equipment engine stop wire

Part #398808

This item is not returnable
$19.69 | 
9% OFF Phone Price : $21.69
In Stock
Cylinder Head Screw 93111
Cylinder head screw

Part #93111

Replaced by #691640

?
Manufacturer substitution
This part replaces 93111. Substitute parts can look different from the original.
This item is not returnable
$5.49
In Stock
Screw 93935
Screw

Part #93935

Replaced by #691413

?
Manufacturer substitution
This part replaces 93935. Substitute parts can look different from the original.
This item is not returnable
$10.60
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

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How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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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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What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…

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