Kenmore
Mechanical Sewing Machine

Model # 3851254180 Official Kenmore sewing machine

Here are the diagrams and repair parts for Official Kenmore 3851254180 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 245 parts  |

Presser Bar 102801008
#14

Thread tension assembly diagram

Presser bar

Part #102801008

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

Sewing Machine Set Screw 671106005
#17

Upper shaft assembly diagram

Sewing machine set screw

Part #671106005

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

Washer 678044005
#9

Needle bar assembly diagram

Washer

Part #678044005

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

Corrug Wshr 673022002
#4

Needle bar assembly diagram

Corrug wshr

Part #673022002

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

Bed Leg Pin 647010006
#14

Motor assembly diagram

Bed leg pin

Part #647010006

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

Shuttle Race 730005102
#38

Bobbin winder unit and top cover diagram

Shuttle race

Part #730005102

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

Sewing Machine Screw 000107204
Sewing machine screw

Part #000107204

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

Sewing Machine Zipper Foot 593401008
#13

Accessory set and satin stitch foot diagram

Sewing machine zipper foot

Part #593401008

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

Washer 649010002
#21

Bobbin winder unit and top cover diagram

Washer

Part #649010002

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

Bushing 671021005
#16

Upper shaft assembly diagram

Bushing

Part #671021005

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

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…