Can't find your part? Contact us: +1-309-603-4777

Tips to find your model number

Water filter finder tool

Top DIY repair help

View All Repair Categories

Appliances

Lawn & Garden

Power Tools

Home Improvement

Sports & Leisure

Heating & Cooling

View all parts by brand

Keep track of the models you own in your profile

Sign in or Register to view or add models

Schedule a repair

Treadmill

Model # NTL99030 Official NordicTrack c1800i treadmill

Here are the diagrams and repair parts for Official NordicTrack NTL99030 c1800i treadmill, as well as links to manuals and error code tables, if available.

Owner's Manual Icon

Owner’s manual

By Schematic

SELECT DIAGRAM

Browse Parts forNTL99030 Fitness & Exercise

#62
All parts diagram
Treadmill rear roller
Part #144809
4.5 (6)
$46.09 |
12% OFF Phone Price : $52.09
In Stock
Qty
Kit,wlk-blt,
Part #202557
Replaced by #219170
?
Manufacturer substitution
This part replaces 202557. Substitute parts can look different from the original.
5 (1)
$23.69 |
20% OFF Phone Price : $29.69
In Stock
Qty
#8
All parts diagram
Treadmill front roller and pulley
Part #162135
4.6 (5)
$57.69 |
9% OFF Phone Price : $63.69
In Stock
Qty
#42
All parts diagram
Black & decker treadmill power cord
Part #031229
3.5 (4)
$11.39 |
15% OFF Phone Price : $13.39
In Stock
Qty
#7
All parts diagram
Magnet,rnd,m
Part #100498
Replaced by #113842
?
Manufacturer substitution
This part replaces 100498. Substitute parts can look different from the original.
2.3 (3)
This item is not returnable
$2.16
In Stock
Qty
#43
All parts diagram
Toyostove treadmill circuit breaker
Part #186726
This item is not returnable
$8.99
In Stock
Qty
#19
All parts diagram
Black & decker exercise equipment hex nut
Part #120867
This item is not returnable
$2.16
In Stock
Qty
Treadmill safety key assembly
Part #160695
3 (2)
This item is not returnable
$5.99
In Stock
Qty
#109
All parts diagram
Black & decker power cord grommet
Part #173169
This item is not returnable
$2.16
In Stock
Qty
#46
All parts diagram
Image belt guide
Part #198639
5 (2)
This item is not returnable
$2.16
In Stock
Qty

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Why is my treadmill's walking belt slipping?

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

Why is my treadmill's walking belt off center?

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

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…

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…

Why does my treadmill have no display?

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

Why does my treadmill's walking belt slow down?

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

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

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

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 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

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 walking board

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.

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.…