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Kenmore
Sewing Machine

Model # 158921 Official Kenmore sewing machine

Here are the diagrams and repair parts for Official Kenmore 158921 sewing machine, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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Showing 10 of 433 parts  |
Link 25141
#70

Cam assembly diagram

Link

Part #25141

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

Washer 9073
#62

Cam assembly diagram

Washer

Part #9073

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

Regulator 24141
#61

Cam assembly diagram

Regulator

Part #24141

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

Nut 8814
#54

Cam assembly diagram

Nut

Part #8814

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

Guard 10570
#15

Cam assembly diagram

Guard

Part #10570

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

Pin 24751
#44

Zigzag guide assembly diagram

Pin

Part #24751

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

Sewing Machine Set Screw 9105
#13

Presser bar and shuttle assembly diagram

Sewing machine set screw

Part #9105

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

Block 25151
#69

Cam assembly diagram

Block

Part #25151

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

Arm 25060
#57

Cam assembly diagram

Arm

Part #25060

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

Connect Bar 8951
#30

Feed regulator assembly diagram

Connect bar

Part #8951

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

Most common symptoms to help you fix your sewing machines

Choose a symptom to see related sewing machine repairs.

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Why does the bobbin thread break in my sewing machine?

Main causes: dirty shuttle race, improper thread routing, incorrect thread tension…

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Why is my sewing machine skipping stitches?

Main causes: dirty shuttle race, wrong thread tension, bad needle timing, damaged needle, using the wrong type of needle…

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Why does my sewing machine lock up?

Main causes: thread bunched up in the shuttle race, bad needle timing, internal drive gear failures…

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Why does my sewing machine make a knocking sound?

Main causes: machine needs lubrication, internal gear failure…

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Why won't fabric move through my sewing machine?

Main causes: problems with the feed dogs, setting stitch length to 0…

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Why is my sewing machine running sluggishly?

Main causes: lack of lubrication, lint buildup, worn drive belt, faulty drive motor…

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Why won't my sewing machine needle move?

Main causes: disengaged clutch, broken drive belt, internal drive gear failure…

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Why doesn't my sewing machine motor run?

Main causes: faulty foot pedal, locked drive gears, wiring failure, bad drive motor…

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Why won't my sewing machine turn on?

Main causes: power supply failure, bad power cord, faulty On/Off switch…

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Most common repair guides to help fix your sewing machines

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

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How to replace a sewing machine on/off switch

How to replace a sewing machine on/off switch

If the sewing machine is completely dead, replace the On/Off switch using these 6 steps.…

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Repair difficulty
Time required
 30 minutes or less
How to replace a sewing machine drive belt

How to replace a sewing machine drive belt

You can replace a broken sewing machine drive belt in about 15 minutes. …

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Repair difficulty
Time required
 15 minutes or less
How to replace a sewing machine drive motor

How to replace a sewing machine drive motor

If the drive motor on your sewing machine runs roughly or doesn't run at all, you can replace it in about 30 minutes usi…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your sewing machines

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

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

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

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

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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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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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