Treadmill

Model # QVTL37550 Official Proform 375se

Here are the diagrams and repair parts for Official Proform QVTL37550 375se, as well as links to manuals and error code tables, if available.

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QVTL37550 Fitness & Exercise
Treadmill Safety Key (replaces 125589, 153017) 119038

#NI

All parts diagram

Treadmill safety key (replaces 125589, 153017)

Part #119038

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This item is not returnable
$3.14
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Black & Decker Exercise Equipment Screw 105444
#62

Unit parts diagram

Black & decker exercise equipment screw

Part #105444

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Belt 118017
#76

Unit parts diagram

Belt

Part #118017

Replaced by #220769

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Manufacturer substitution
This part replaces 118017. Substitute parts can look different from the original.
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$15.29
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Exercise Equipment Hex Nut 012056
#43

Unit parts diagram

Exercise equipment hex nut

Part #012056

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Exercise Equipment Star Washer 014117
#71

Unit parts diagram

Exercise equipment star washer

Part #014117

This item is not returnable
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Exercise Equipment Handle End Cap, 1.5-in 116980
#56

Unit parts diagram

Exercise equipment handle end cap, 1.5-in

Part #116980

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Weider Exercise Equipment Hex Nut 105477
#79

Unit parts diagram

Weider exercise equipment hex nut

Part #105477

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Exercise Equipment Hex Nut 012108
#73

Unit parts diagram

Exercise equipment hex nut

Part #012108

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Healthrider Clip,tinerma 054023
#23

Unit parts diagram

Healthrider clip,tinerma

Part #054023

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Weider Exercise Equipment Screw 112609
#28

Unit parts diagram

Weider exercise equipment screw

Part #112609

This item is not returnable
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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

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