Craftsman
Gas Line Trimmer

Model #316798220 Official Craftsman line trimmer

Here are the diagrams and repair parts for Craftsman 316798220 line trimmer, as well as links to manuals and error code tables, if available.

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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.

Showing 10 of 93 parts

Line Trimmer Bump Feed Knob (replaces 791-147153, 791-153066)#28

Drive shaft and cutter head Diagram

Knob assembly

Part #153066
Replaced by #791-153066B
?
Manufacturer substitution
This part replaces 153066. Substitute parts can look different from the original.
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MSRP: $14.00
Line Trimmer Primer Bulb and Hose Assembly (replaces 791-683947B, 791-BQ03241)#10

Motor Diagram

Prm/hose asy

Part #181801
Replaced by #791-683974B
?
Manufacturer substitution
This part replaces 181801. Substitute parts can look different from the original.
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MSRP: $22.00
Line Trimmer Fuel Line (replaces 791-180243, 791-181168, 791-182495)#19

Motor Diagram

Return fuel

Part #181168
Replaced by #791-181086
?
Manufacturer substitution
This part replaces 181168. Substitute parts can look different from the original.
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Line Trimmer Fuel Line Assembly (replaces 753-04886)#20

Motor Diagram

Fuel line

Part #682039
Replaced by #791-682039
?
Manufacturer substitution
This part replaces 682039. Substitute parts can look different from the original.
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This item is not returnable
In Stock
$13.49 | 
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MSRP: $16.00
Line Trimmer Spool (replaces 791-610318)#27

Drive shaft and cutter head Diagram

Inner reel

Part #610318
Replaced by #753-1155
?
Manufacturer substitution
This part replaces 610318. Substitute parts can look different from the original.
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Phone Price: $19.20
Lawn & Garden Equipment Screw (replaces GW-9733)#35

Motor Diagram

Screw

Part #181862
Replaced by #791-181862
?
Manufacturer substitution
This part replaces 181862. Substitute parts can look different from the original.
This item is not returnable
In Stock
$6.59 | 
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Phone Price: $7.59
Lawn & Garden Equipment 2-Cycle Engine Oil, 6-pack (replaces 36552)

#NI

All parts Diagram

2 cycle oil

Part #71-36549
Replaced by #21603
?
Manufacturer substitution
This part replaces 71-36549. Substitute parts can look different from the original.

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In Stock
$7.99 | 
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Was: $9.99
Lawn & Garden Equipment Engine Carburetor Mount Gasket#14

Motor Diagram

Gasket

Part #612115
Replaced by #753-1208
?
Manufacturer substitution
This part replaces 612115. Substitute parts can look different from the original.
This item is not returnable
In Stock
$21.49 | 
19% OFF 
Phone Price: $26.49
Pull Handle#32

Motor Diagram

Handle

Part #181079
Replaced by #631-04164B
?
Manufacturer substitution
This part replaces 181079. Substitute parts can look different from the original.
This item is not returnable
In Stock
$6.19 | 
14% OFF 
Phone Price: $7.19
Line Trimmer Muffler Gasket#42

Motor Diagram

Gasket

Part #180980
Replaced by #791-180980
?
Manufacturer substitution
This part replaces 180980. Substitute parts can look different from the original.
In Stock
$10.25 | 
16% OFF 
Phone Price: $12.25

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank
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 carburetor

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.

October 1, 2013
Lyle Weischwill
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 these instructions to do the job in under 30 minutes.

Repair difficulty
Time required
 15 minutes or less
October 1, 2013
Lyle Weischwill
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 instructions to replace the carburetor in under 30 minutes.

Repair difficulty
Time required
 15 minutes or less
October 1, 2013
Lyle Weischwill
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 yourself, following these instructions.

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.

February 11, 2023

Top 10 electric lawn and garden tools for 2023

Lyle Weischwill

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

August 30, 2022

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Lyle Weischwill

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

March 1, 2016

Grass line trimmer maintenance checklist

Lyle Weischwill

Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this helpful maintenance checklist.