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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Model diagram and schematic

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Showing 10 of 433 parts  |

Washer 18520
#34

Bobbin winder and tension controls diagram

Washer

Part #18520

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

Packing 11100
#43

Needle plate diagram

Packing

Part #11100

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

Turn Back 8813
#55

Cam assembly diagram

Turn back

Part #8813

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

Set Screw 8279
#28

Bobbin winder and tension controls diagram

Set screw

Part #8279

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

Crank 10061
#35

Presser bar and shuttle assembly diagram

Crank

Part #10061

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

Spring 24860
#76

Cam assembly diagram

Spring

Part #24860

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

Feed Frame 10810
#18

Feed regulator assembly diagram

Feed frame

Part #10810

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

Rocker 24101
#43

Zigzag guide assembly diagram

Rocker

Part #24101

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

Kenmore Shaft 24870
#37

Zigzag guide assembly diagram

Kenmore shaft

Part #24870

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.

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

Main causes: machine needs lubrication, internal gear failure…

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

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

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

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

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

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

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

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.

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.…

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. …

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…

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.

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.…

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.…

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…