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Model # 120490 Official Kenmore sewing machine head

Here are the diagrams and repair parts for Official Kenmore 120490 sewing machine head, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 241 parts  |

Pointer 3338
#29

Main shaft crank assembly diagram

Pointer

Part #3338

The manufacturer no longer makes this part, and there's no substitute part

Release Pin 3162
#117

Bobbin and thread tension assembly diagram

Release pin

Part #3162

The manufacturer no longer makes this part, and there's no substitute part

Washer 3458
#124

Bobbin and thread tension assembly diagram

Washer

Part #3458

The manufacturer no longer makes this part, and there's no substitute part

Screwdriver 3472

#NI

All parts diagram

Screwdriver

Part #3472

The manufacturer no longer makes this part, and there's no substitute part

Spring 3327-S
#70A

Main shaft crank assembly diagram

Spring

Part #3327-S

The manufacturer no longer makes this part, and there's no substitute part

Idler Wheel 3219
#42

Main shaft crank assembly diagram

Idler wheel

Part #3219

The manufacturer no longer makes this part, and there's no substitute part

Collar 3212
#164

Lift and shuttle shaft assembly diagram

Collar

Part #3212

The manufacturer no longer makes this part, and there's no substitute part

Thrd Tension 3498
#159

Bobbin and thread tension assembly diagram

Thrd tension

Part #3498

The manufacturer no longer makes this part, and there's no substitute part

Claw Bushing 3613-S
#182

Lift and shuttle shaft assembly diagram

Claw bushing

Part #3613-S

The manufacturer no longer makes this part, and there's no substitute part

Screw 3270
Screw

Part #3270

The manufacturer no longer makes this part, and there's no substitute part

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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.

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…

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 …

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…

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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How to replace a line trimmer fuel line video

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