Lifestyler
Treadmill

Model # 374288651 Official Lifestyler prime fit air jogger dlx

Here are the diagrams and repair parts for Official Lifestyler 374288651 prime fit air jogger dlx, 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 88 parts  |

Bushing 29425100
#15

Unit parts diagram

Bushing

Part #29425100

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

Sprocket Assembly 39334000
#36

Wheel assembly diagram

Sprocket assembly

Part #39334000

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

Fan Retainer 31188710
#48

Wheel assembly diagram

Fan retainer

Part #31188710

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

Washer 26003200
#31

Unit parts diagram

Washer

Part #26003200

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

Cover Plate 09129200
#24

Unit parts diagram

Cover plate

Part #09129200

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

Bolt 23006800
#52

Wheel assembly diagram

Bolt

Part #23006800

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

L Chainguard 09142841
#57

Wheel assembly diagram

L chainguard

Part #09142841

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

Sprocket 31277010
#36A

Wheel assembly diagram

Sprocket

Part #31277010

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

Foot 09081200
#68

Wheel assembly diagram

Foot

Part #09081200

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

Nut Hex 25000300
#51

Wheel assembly diagram

Nut hex

Part #25000300

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Repair guides for treadmills

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

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your fitness & exercise

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

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.…