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Model # 917773421 Official Craftsman high wheel line trimmer
Here are the diagrams and repair parts for Official Craftsman 917773421 high wheel line trimmer, as well as links to manuals and error code tables, if available.
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917773421 Line Trimmers
#27
Engine diagram
Lock nut
Part #83923
Replaced by #532409149
?
Manufacturer substitution
This part replaces 83923. Substitute parts can look different from the original.
This item is not returnable
$5.76 |
15% OFF Phone Price : $6.76
In Stock
#14
Chassis assembly diagram
Hex flange lock nut
Part #145212
Replaced by #532409149
?
Manufacturer substitution
This part replaces 145212. Substitute parts can look different from the original.
This item is not returnable
$5.76 |
15% OFF Phone Price : $6.76
In Stock
#8
Chassis assembly diagram
Lock nut
Part #751592
Replaced by #596322601
?
Manufacturer substitution
This part replaces 751592. Substitute parts can look different from the original.
This item is not returnable
$5.54
In Stock
#36
Chassis assembly diagram
Bearing cover
Part #172516
Replaced by #532172516
?
Manufacturer substitution
This part replaces 172516. Substitute parts can look different from the original.
This item is not returnable
$10.09 |
17% OFF Phone Price : $12.09
In Stock
#15
Chassis assembly diagram
Line trimmer return spring
Part #173811
Replaced by #532173811
?
Manufacturer substitution
This part replaces 173811. Substitute parts can look different from the original.
This item is not returnable
$5.76 |
15% OFF Phone Price : $6.76
In Stock
#28
Engine diagram
Drive control
Part #174037
Replaced by #583061601
?
Manufacturer substitution
This part replaces 174037. Substitute parts can look different from the original.
$30.38 |
24% OFF Was : $39.98
In Stock
#16
Engine diagram
Rope guide
Part #153638
Replaced by #586122501
?
Manufacturer substitution
This part replaces 153638. Substitute parts can look different from the original.
This item is not returnable
$15.99 |
11% OFF Phone Price : $17.99
In Stock
#16
Chassis assembly diagram
Debris shield
Part #170552
Replaced by #532180268
?
Manufacturer substitution
This part replaces 170552. Substitute parts can look different from the original.
$41.15 |
13% OFF Phone Price : $47.15
In Stock
#39
Chassis assembly diagram
Mow ball bolt
Part #172636
Replaced by #532180334
?
Manufacturer substitution
This part replaces 172636. Substitute parts can look different from the original.
This item is not returnable
$12.97
In Stock
#9
Chassis assembly diagram
Lawn mower idler pulley
Part #166043
Replaced by #532166043
?
Manufacturer substitution
This part replaces 166043. Substitute parts can look different from the original.
$40.42
In Stock
Symptoms for gas line trimmers
Choose a symptom to see related grass line trimmer repairs.
Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…
Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…
Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…
Repair guides for gas line trimmers
These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.
![How to rebuild a line trimmer carburetor](https://images.ctfassets.net/fpe0ec7r30ix/6lS8vOBV0anlzdmNb6cFpr/4d9be7aa7c2c359e593022a532f214a5/RG-LT-Rebuild-a-Line-Trimmer-Carburetor-Intro-Image.jpg?fm=png&w=270&h=270)
How to rebuild a line trimmer carburetor
If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…
Repair difficulty
Time required
15 minutes or less
![How to replace a line trimmer carburetor](https://images.ctfassets.net/fpe0ec7r30ix/6aOoIIIPwsFTNyALOYcr5P/b06e2c525bdefb0cc2bd470265317a4a/RG-LT-Replace-a-Line-Trimmer-Carburetor-Intro-Image.jpg?fm=png&w=270&h=270)
How to replace a line trimmer carburetor
If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …
Repair difficulty
Time required
15 minutes or less
![How to replace a line trimmer fuel line](https://images.ctfassets.net/fpe0ec7r30ix/db7MNitDZ6qQZnXz87iLj/8b79920d443a58f0cd0915c5fc6dbb5a/RG-LT-Replace-a-Line-Trimmer-Fuel-Line-Intro-Image.jpg?fm=png&w=270&h=270)
How to replace a line trimmer fuel line
The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…
Repair difficulty
Time required
15 minutes or less
Articles and videos for gas line trimmers
Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.
![Top 10 electric lawn and garden tools for 2023](https://images.ctfassets.net/fpe0ec7r30ix/2Hb5w5W4WvFNXcQab3nWnm/ca96d23d2edcd77d962bc65aa2fffaf9/Electric_Pressure_Washer_Image.png?fm=png&w=270&h=270)
Learn about the top 10 must-have electric lawn & garden tools for 2023…
![How to enjoy all the online benefits we offer on our Sears PartsDirect website](https://images.ctfassets.net/fpe0ec7r30ix/1khJyw1eeQGvYKSbulrYWd/69493382c31bbf8d70b67fe7545f5e60/SPD_website_features.png?fm=png&w=270&h=270)
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
![Grass line trimmer maintenance checklist](https://images.ctfassets.net/fpe0ec7r30ix/41X6ZXUYHlZ4pQ5tbkyx8C/2f24e9f0d56c7fcc108735e5168e76cb/ART-LT-Grass-Line-Trimmer-Mainteance-Checklist.jpg?fm=png&w=270&h=270)
Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this help…