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Model # NTTL18904 Official NordicTrack apex 4100 i treadmill
Here are the diagrams and repair parts for Official NordicTrack NTTL18904 apex 4100 i treadmill, as well as links to manuals and error code tables, if available.
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NTTL18904 Fitness & Exercise
Treadmill walking belt alignment tool (replaces 161927)
Part #128457
This item is not returnable
$2.49 |
29% OFF Phone Price : $3.49
In Stock
#53
All parts diagram
Black & decker treadmill power cord (replaces 031033, 031143, 031147, 247991)
Part #031229
$11.39 |
15% OFF Phone Price : $13.39
In Stock
#55
All 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
#107
All parts diagram
Magnet,rnd,m
Part #100498
Replaced by #113842
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Manufacturer substitution
This part replaces 100498. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Treadmill screw
Part #149442
This item is not returnable
$2.16
In Stock
#25
All parts diagram
Brng,608z,se
Part #018007
$7.99
In Stock
#24
All parts diagram
Elliptical washer
Part #014132
This item is not returnable
$2.16
In Stock
#16A
All parts diagram
Exercise equipment screw
Part #013244
This item is not returnable
$2.16
In Stock
#NI10
All parts diagram
Lit,techsht,
Part #169224
This item is not returnable
$2.16
In Stock
#45
All parts diagram
Isolator,dec
Part #167261
$38.99
In Stock
Symptoms for treadmills
Choose a symptom to see related treadmill repairs.
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…
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: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…
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
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 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
How to replace a treadmill walking board
A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…
Repair difficulty
Time required
30 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.
Get answers to frequently asked questions about Sears and Sears PartsDirect.…