Lifestyler
Treadmill

Model # 374288451 Official Lifestyler prime fit concourse 10.55 gi treadmill

Here are the diagrams and repair parts for Official Lifestyler 374288451 prime fit concourse 10.55 gi treadmill, 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 99 parts  |

Lock Nut 25018700
#72

Motor and walking assembly diagram

Lock nut

Part #25018700

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

Lock Nut 25014600
#67

Motor and walking assembly diagram

Lock nut

Part #25014600

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

Washer 26018700
#65

Motor and walking assembly diagram

Washer

Part #26018700

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

Hex Screw 23021000
#53

Motor and walking assembly diagram

Hex screw

Part #23021000

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

Motor/mnt As 39379300
#32

Motor and walking assembly diagram

Motor/mnt as

Part #39379300

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

Motor 37041200
#32B

Motor and walking assembly diagram

Motor

Part #37041200

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

Bracket 31291710
#35

Motor and walking assembly diagram

Bracket

Part #31291710

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

Lever 04043200
#1

Motor and walking assembly diagram

Lever

Part #04043200

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

Decal 62444100
#18

Motor and walking assembly diagram

Decal

Part #62444100

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

Tube 30464116
#37

Motor and walking assembly diagram

Tube

Part #30464116

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.…