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Kenmore
Sewing Machine

Model # 158521 Official Kenmore sewing machine

Here are the diagrams and repair parts for Official Kenmore 158521 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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ALL PARTS
Showing 10 of 294 parts  |
Stud 2242
#21

Zigzag guide assembly diagram

Stud

Part #2242

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

Washer 2467
#54

Zigzag guide assembly diagram

Washer

Part #2467

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

Kenmore Regulator 2435
#51

Zigzag guide assembly diagram

Kenmore regulator

Part #2435

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

Sewing Machine Nut 91
#44

Feed regulator and motor assembly diagram

Sewing machine nut

Part #91

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

Lever 8948
#28

Feed regulator and motor assembly diagram

Lever

Part #8948

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

Main Shaft 2432
#12

Presser bar and shuttle assembly diagram

Main shaft

Part #2432

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

Cover 2333
#24

Needle plate diagram

Cover

Part #2333

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

Kenmore Feed Regulator 2488
#52

Zigzag guide assembly diagram

Kenmore feed regulator

Part #2488

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

Bracket 2297
#28

Zigzag guide assembly diagram

Bracket

Part #2297

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

Sewing Machine Set Screw 39
#23

Presser bar and shuttle assembly diagram

Sewing machine set screw

Part #39

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 won't my sewing machine turn on?

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

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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 fabric move through my sewing machine?

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

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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 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 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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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 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
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 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

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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