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

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Model diagram and schematic

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ALL PARTS
Showing 10 of 92 parts  |
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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Circuit Breaker 127202
#25

Unit parts diagram

Circuit breaker

Part #127202

Replaced by #109382

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Manufacturer substitution
This part replaces 127202. Substitute parts can look different from the original.
This item is not returnable
$9.39 | 
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In Stock
Black & Decker Exercise Equipment Screw 105444
#62

Unit parts diagram

Black & decker exercise equipment screw

Part #105444

This item is not returnable
$2.16
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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.
This item is not returnable
$15.29 | 
12% OFF Phone Price : $17.29
In Stock
Exercise Equipment Hex Nut 012056
#43

Unit parts diagram

Exercise equipment hex nut

Part #012056

This item is not returnable
$2.16
In Stock
Exercise Equipment Handle End Cap, 1.5-in 116980
#56

Unit parts diagram

Exercise equipment handle end cap, 1.5-in

Part #116980

This item is not returnable
$2.16
In Stock
Healthrider Allen Wrench, 7/32-in 045017
Healthrider allen wrench, 7/32-in

Part #045017

This item is not returnable
$2.16
In Stock
Black & Decker Clamp,8cabl 016057
#36

Unit parts diagram

Black & decker clamp,8cabl

Part #016057

This item is not returnable
$2.16
In Stock
Exercise Equipment Screw 108080
#39

Unit parts diagram

Exercise equipment screw

Part #108080

This item is not returnable
$2.16
In Stock
Clamp,plstc, 016029
#37

Unit parts diagram

Clamp,plstc,

Part #016029

This item is not returnable
$2.16
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why won't my treadmill power up?

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

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Why is my treadmill's walking belt off center?

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

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Why won't my treadmill start even though the console display works?

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

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Why is my treadmill's heart rate sensor not accurate?

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

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Why does my treadmill have no display?

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

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Why does my treadmill's walking belt slow down?

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

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Why is my treadmill's walking belt slipping?

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

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Repair guides for treadmills

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

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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…

Read more
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…

Read more
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'…

Read more
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.

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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.…

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