Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
NordicTrack
Elliptical Machine

Model # NTST07900 Official NordicTrack mtn 750 elliptical machine

Here are the diagrams and repair parts for Official NordicTrack NTST07900 mtn 750 elliptical machine, 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 107 parts  |
Toyostove Exercise Equipment Magnet 113842
#97

Frame assembly diagram

Toyostove exercise equipment magnet

Part #113842

This item is not returnable
$2.16
Back Order
Nut,hex Nyl 121050
#27

Frame assembly diagram

Nut,hex nyl

Part #121050

Replaced by #148710

?
Manufacturer substitution
This part replaces 121050. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Black & Decker Exercise Equipment Screw 013438
#57

Frame assembly diagram

Black & decker exercise equipment screw

Part #013438

This item is not returnable
$2.16
In Stock
Weider Rear Stabilizer End Cap 139418
#14

Frame assembly diagram

Weider rear stabilizer end cap

Part #139418

This item is not returnable
$2.99
In Stock
Image Exercise Equipment Flat Washer 014033
Image exercise equipment flat washer

Part #014033

This item is not returnable
$2.16
In Stock
Reebok Exercise Equipment Screw 153274
#25

Frame assembly diagram

Reebok exercise equipment screw

Part #153274

This item is not returnable
$2.16
In Stock
Reebok Wire,extnsn, 158082

#NI

All parts diagram

Reebok wire,extnsn,

Part #158082

$12.99
In Stock
Retainer,c-c 178524
#70

Frame assembly diagram

Retainer,c-c

Part #178524

This item is not returnable
$2.16
In Stock
Eye Bolt 144996
#42

Frame assembly diagram

Eye bolt

Part #144996

$13.99
In Stock
Stblzr,rear, 160434
#2

Frame assembly diagram

Stblzr,rear,

Part #160434

$43.49
In Stock

Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

View all

Why does my elliptical rock?

Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring…

Read more

Why won't my elliptical's console turn on?

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…

Read more

How do I tighten elliptical handle bars?

Main causes: loose fastening bolts, damaged handle bars…

Read more

Why is my elliptical's console display dim?

Main causes: weak batteries, loose wires, faulty control console…

Read more

Why won't my elliptical's pedal resistance change?

Main causes: bad resistance motor, faulty control console, wiring failure…

Read more

Why does my elliptical display the wrong speed?

Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console…

Read more

Why does my elliptical make squeaking noises?

Main cause: lack of lubrication on pivot points…

Read more

Why can't my elliptical detect my heart rate?

Main causes: dirty heart rate sensors, wiring failure, bad control console…

Read more

Repair guides for elliptical machines

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

View all
How to replace an elliptical resistance motor

How to replace an elliptical resistance motor

If the resistance motor is not changing the resistance on your elliptical, replace it using these steps.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to adjust an elliptical reed switch

How to adjust an elliptical reed switch

If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace an elliptical console

How to replace an elliptical console

If the console on your elliptical doesn't work, replace it by following these 3 easy steps.…

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 elliptical.

View all
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.…

Read more

Parts & More