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Craftsman
Gas Line Trimmer

Model # 316792021 Official Craftsman gas trimmer

Here are the diagrams and repair parts for Official Craftsman 316792021 gas 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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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 64 parts  |
Spark Plug 753-05784
#17

Short block/fuel tank/muffler diagram

Spark plug

Part #753-05784

Replaced by #794-00082

?
Manufacturer substitution
This part replaces 753-05784. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.87 | 
15% OFF Phone Price : $6.87
In Stock
Yard-man Lawn & Garden Equipment Clutch Assembly (replaces 791-182369) 753-05860
#30

Short block/fuel tank/muffler diagram

Yard-man lawn & garden equipment clutch assembly (replaces 791-182369)

Part #753-05860

BEST SELLER
$33.15 | 
15% OFF Phone Price : $39.15
In Stock
Ryobi Lawn & Garden Equipment O-ring 791-181751
#4

Short block/fuel tank/muffler diagram

Ryobi lawn & garden equipment o-ring

Part #791-181751

This item is not returnable
$6.86 | 
13% OFF Phone Price : $7.86
In Stock
Screw 753-05253
#3

Short block/fuel tank/muffler diagram

Screw

Part #753-05253

Replaced by #710-04517

?
Manufacturer substitution
This part replaces 753-05253. Substitute parts can look different from the original.
This item is not returnable
$8.30 | 
11% OFF Phone Price : $9.30
In Stock
Throttle Trigger 753-05293
#2

Drive shaft/shield/handle diagram

Throttle trigger

Part #753-05293

Replaced by #731-04970B-10

?
Manufacturer substitution
This part replaces 753-05293. Substitute parts can look different from the original.
This item is not returnable
$14.27 | 
12% OFF Phone Price : $16.27
In Stock
Troybilt Line Trimmer Gearbox 791-182193
#15

Drive shaft/shield/handle diagram

Troybilt line trimmer gearbox

Part #791-182193

$108.62 | 
10% OFF Phone Price : $120.62
In Stock
Kmart Lawn & Garden Equipment Cylinder O-ring 753-05910
#16

Short block/fuel tank/muffler diagram

Kmart lawn & garden equipment cylinder o-ring

Part #753-05910

This item is not returnable
$4.89
In Stock
Line Trimmer Ignition Coil 753-05907
#22

Short block/fuel tank/muffler diagram

Line trimmer ignition coil

Part #753-05907

$59.79 | 
9% OFF Phone Price : $65.79
In Stock
Troybilt Line Trimmer Cutting Head Locking Rod 791-613226

#NI02

All parts diagram

Troybilt line trimmer cutting head locking rod

Part #791-613226

This item is not returnable
$23.94
In Stock
Lawn & Garden Equipment O-ring 753-05902
#15

Short block/fuel tank/muffler diagram

Lawn & garden equipment o-ring

Part #753-05902

This item is not returnable
$8.09 | 
11% OFF Phone Price : $9.09
In Stock

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

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Why does my gas line trimmer leak gas?

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

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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.

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How to rebuild a line trimmer carburetor

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…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

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 …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

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…

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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.

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Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

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How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer.…

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How to tune up a grass line trimmer video

How to tune up a grass line trimmer video

Tune of your grass line trimmer, following the steps in this video.…

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