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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.
Error CodesBy Schematic
SELECT DIAGRAM
Browse Parts for
158921 Sewing Machine
#39
Presser bar and shuttle assembly diagram
Bracket
Part #24640
The manufacturer no longer makes this part, and there's no substitute part
#35
Presser bar and shuttle assembly diagram
Crank
Part #10061
The manufacturer no longer makes this part, and there's no substitute part
#18
Zigzag guide assembly diagram
Arm
Part #24280
The manufacturer no longer makes this part, and there's no substitute part
#28
Zigzag guide assembly diagram
Rocker
Part #25070
The manufacturer no longer makes this part, and there's no substitute part
#36
Zigzag guide assembly diagram
Kenmore collar
Part #9266
The manufacturer no longer makes this part, and there's no substitute part
#40
Zigzag guide assembly diagram
Kenmore rocker shaft
Part #11132
The manufacturer no longer makes this part, and there's no substitute part
#42
Feed regulator assembly diagram
Set screw
Part #8388
The manufacturer no longer makes this part, and there's no substitute part
#33
Bobbin winder and tension controls diagram
Base
Part #18501
The manufacturer no longer makes this part, and there's no substitute part
#61
Bobbin winder and tension controls diagram
Axle
Part #24380
The manufacturer no longer makes this part, and there's no substitute part
#42
Needle plate diagram
Screw
Part #11090
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: 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: thread bunched up in the shuttle race, bad needle timing, internal drive gear failures…
Main causes: machine needs lubrication, internal gear failure…
Main causes: problems with the feed dogs, setting stitch length to 0…
Main causes: lack of lubrication, lint buildup, worn drive belt, faulty drive motor…
Main causes: disengaged clutch, broken drive belt, internal drive gear failure…
Main causes: faulty foot pedal, locked drive gears, wiring failure, bad drive motor…
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
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
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
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.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Learn how to use a multimeter to check for wiring problems in an appliance that's not working…