Proform
Treadmill

Model # PFTL52551 Official Proform proform 525 se treadmill

Here are the diagrams and repair parts for Official Proform PFTL52551 proform 525 se treadmill, 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 103 parts  |

Treadmill Safety Key (replaces 125589, 153017) 119038
#1

Unit parts diagram

Treadmill safety key (replaces 125589, 153017)

Part #119038

BEST SELLER
This item is not returnable
$3.14
24% OFF Phone Price : $4.14
In Stock
Walking Belt 128954
#55

Unit parts diagram

Walking belt

Part #128954

Replaced by #134483

?
Manufacturer substitution
This part replaces 128954. Substitute parts can look different from the original.
BEST SELLER
$62.39
9% OFF Phone Price : $68.39
In Stock
Exercise Equipment Reed Switch (replaces 113959, 115524, 115570, 115571) 117882
#28

Unit parts diagram

Exercise equipment reed switch (replaces 113959, 115524, 115570, 115571)

Part #117882

In Stock
Treadmill Circuit Breaker, 15-amp (replaces 031103, 127202, 173322) 109382
#41

Unit parts diagram

Treadmill circuit breaker, 15-amp (replaces 031103, 127202, 173322)

Part #109382

This item is not returnable
$9.39
10% OFF Phone Price : $10.39
In Stock
Magnet,rnd,m 100498
#29

Unit parts diagram

Magnet,rnd,m

Part #100498

Replaced by #113842

?
Manufacturer substitution
This part replaces 100498. Substitute parts can look different from the original.
This item is not returnable
Back Order
Black & Decker Exercise Equipment Screw 013438
Black & decker exercise equipment screw

Part #013438

This item is not returnable
In Stock
Pulley Flywheel Fan 112825
#16

Unit parts diagram

Pulley flywheel fan

Part #112825

In Stock
Exercise Equipment Screw 120630
#31

Unit parts diagram

Exercise equipment screw

Part #120630

This item is not returnable
In Stock
Cotter Pin,3 106334
#71

Unit parts diagram

Cotter pin,3

Part #106334

This item is not returnable
In Stock
Exercise Equipment Screw 013540
#6

Unit parts diagram

Exercise equipment screw

Part #013540

This item is not returnable
In Stock

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.…