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Kenmore 158121 sewing machine head Parts
Here are the diagrams and repair parts for Kenmore 158121 sewing machine head, as well as links to manuals and error code tables, if available.
Owner’s manualBy Schematic
SELECT DIAGRAM
Browse Parts for 158121 Sewing Machine Head
Unit parts diagram
Spool Pin
Part #8286
The manufacturer no longer makes this part, and there's no substitute part
Tension regulator diagram
Regulator
Part #3052
The manufacturer no longer makes this part, and there's no substitute part
Feed regulator and zigzag parts diagram
Cotter Pin
Part #104
The manufacturer no longer makes this part, and there's no substitute part
Unit parts diagram
Belt
Part #60902
The manufacturer no longer makes this part, and there's no substitute part
Shuttle assembly diagram
Knock Pin
Part #127
The manufacturer no longer makes this part, and there's no substitute part
Feed regulator and zigzag parts diagram
Stud Screw
Part #2041
The manufacturer no longer makes this part, and there's no substitute part
Feed regulator and zigzag parts diagram
Crank Stud
Part #805
The manufacturer no longer makes this part, and there's no substitute part
Feed regulator and zigzag parts diagram
Collar
Part #103
The manufacturer no longer makes this part, and there's no substitute part
Feed regulator and zigzag parts diagram
Stud Washer
Part #75
The manufacturer no longer makes this part, and there's no substitute part
Tension regulator diagram
Set Screw
Part #4349
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your riding mowers & tractors
Choose a symptom to see related riding mower and lawn tractor repairs.
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…
Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…
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Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …
Main causes: faulty battery, bad alternator…
Main causes: shift lever needs adjustment, neutral control needs adjustment…
Most common repair guides to help fix your riding mowers & tractors
These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.
How to replace the starter solenoid on a riding lawn mower
Replace the starter solenoid if it doesn't click when you turn the ignition key.…
Repair time and Difficulty
30 minutes or less
How to replace a riding lawn mower ignition coil
If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…
Repair time and Difficulty
30 minutes or less
How to replace a riding lawn mower fuel filter
Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…
Repair time and Difficulty
15 minutes or less
Effective articles & videos to help repair your riding mowers & tractors
Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
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