Lifestyler
Fitness & Exercise

Model #831159421 Lifestyler system 300

Here are the diagrams and repair parts for Lifestyler 831159421 system 300, as well as links to manuals and error code tables, if available.


There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Save to my profileOwner’s manual

Showing 10 of 118 parts

Exercise Equipment Snap Hook

#53

Unit parts Diagram

Exercise equipment snap hook

Part #103087
This item is not returnable
$7.06

In Stock

Treadmill Washer

#NI

All parts Diagram

Treadmill washer

Part #014063
This item is not returnable
$3.29

In Stock

Weight System Ankle Strap

#NI

All parts Diagram

$10.76

In Stock

Elliptical Washer

#NI

All parts Diagram

Elliptical washer

Part #014132
This item is not returnable
$2.19

In Stock

Treadmill Nut

#NI

All parts Diagram

Treadmill nut

Part #119425
This item is not returnable
$2.55

In Stock

Internal Square End Cap, 1.75-in

#24

Unit parts Diagram

Internal square end cap, 1.75-in

Part #113666
This item is not returnable
$2.16

In Stock

Exercise Equipment Hex Nut

#NI

All parts Diagram

Exercise equipment hex nut

Part #012139
This item is not returnable
$2.16

In Stock

Exercise Equipment Bolt

#NI

All parts Diagram

Exercise equipment bolt

Part #013581
This item is not returnable
$2.55

In Stock

Weight Insert

#104

Unit parts Diagram

Weight insert

Part #109976
This item is not returnable
$2.16

In Stock

Treadmill Bolt

#NI

All parts Diagram

Treadmill bolt

Part #112001
This item is not returnable
$2.16

In Stock

Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

Main causes: loose fastening bolts, damaged handle bars
Main causes: weak batteries, loose wires, faulty control console
Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console
Main causes: dirty heart rate sensors, wiring failure, bad control console
Main causes: bad resistance motor, faulty control console, wiring failure
Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring
Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console
Main cause: lack of lubrication on pivot points

Repair guides for elliptical machines

These step-by-step repair guides will help you safely fix what’s broken on your elliptical.

June 15, 2015
By Lyle Weischwill
How to replace an elliptical resistance motor

If the resistance motor is not changing the resistance on your elliptical, replace it using these steps.

Repair difficulty
Time required
 15 minutes or less
June 1, 2015
By Lyle Weischwill
How to adjust an elliptical reed switch

If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps.

Repair difficulty
Time required
 15 minutes or less
June 1, 2015
By Lyle Weischwill
How to replace an elliptical console

If the console on your elliptical doesn't work, replace it by following these 3 easy steps.

Repair difficulty
Time required
 15 minutes or less

Articles and videos for elliptical machines

Use the advice and tips in these articles and videos to get the most out of your elliptical.

June 1, 2015

Elliptical common questions

By Sears PartsDirect staff

Find out what questions other elliptical owners often ask.

May 4, 2015

Easy DIY elliptical repairs

By Sears PartsDirect staff

Learn about some easy elliptical repairs that you can do yourself.

April 24, 2015

How to maintain an elliptical

By Sears PartsDirect staff

Discover how to keep your elliptical trainer in good shape with these easy maintenance tips.