800-750-4766 Mon–Fri: 8:00 AM – 5:00 PM CST
Free Treadmill Lube Free lube on any order of $49 or more
code: SUMMERFREE

Over 80,000 Parts

Free Diagnosis

Thousands of machines reviewed

Rapid Shipping

TOP SELLERS

Parts
Treadmill Doctor Replacement Motor Control Board Part Number 408938-img

Treadmill Doctor Replacement Motor Control Board Part Number 408938

Part number: 408938

1 Year

3 - 5 Business Days

$199.99
Proform Walking Belt Part Number 417242-img

Proform Walking Belt Part Number 417242

Part number: 417242

Lifetime

3 - 5 Business Days

$119.99
MC-2100 Treadmill Motor Control Board - With Transformer-img

MC-2100 Treadmill Motor Control Board - With Transformer

Part number: 241697

1 Year

3 - 5 Business Days

$199.99
Sole Speed Sensor Part Number 022485 / F030166-img

Sole Speed Sensor Part Number 022485 / F030166

Part number: F030166

30 Days

Dropship

$19.99
Treadmill Doctor Regular Treadmill Mat for Home Fitness Equipment - 35.5 X 78.5 inches - 4lbs-img

Treadmill Doctor Regular Treadmill Mat for Home Fitness Equipment - 35.5 X 78.5 inches - 4lbs

Part number: 35.5X78.5

1 Year

2 - 5 Business Days

$24.99
Nordic Track Bike Power Board Part Number 430157-img

Nordic Track Bike Power Board Part Number 430157

Part number: 430157

1 Year

3 - 5 Business Days

$116.99
Horizon T101 Model Number TM621 Walking belt Part Number 1000101285-img

Horizon T101 Model Number TM621 Walking belt Part Number 1000101285

Part number: 1000101285

Lifetime

3 - 5 Business Days

$129.99
Nordic Track Incline Motor Control Board Part Number 428528-img

Nordic Track Incline Motor Control Board Part Number 428528

Part number: 428528

30 Days

Dropship

$143.99
Treadmill Doctor World Famous Lube-img

Treadmill Doctor World Famous Lube

Part number: 100303

1 Year

3 - 5 Business Days

$11.99
Treadmill Drive Motor Part Number 405692-img

Treadmill Drive Motor Part Number 405692

Part number: 405692

1 Year

3 - 5 Business Days

$199.99
Nordic Track Motor Control Board Part Number 406939-img

Nordic Track Motor Control Board Part Number 406939

Part number: 406697

1 Year

3 - 5 Business Days

$199.99
Treadmill Motor Control Board Part Number 421600-img

Treadmill Motor Control Board Part Number 421600

Part number: 406697

1 Year

3 - 5 Business Days

$199.99

Top Treadmill Walking Belts

See All
Keys T4.0 Treadmill Walking Belt-img

Keys T4.0 Treadmill Walking Belt

Part number: 100126

Lifetime

2 - 5 Business Days

$129.99
Precor C966 Commercial AA67 Treadmill Walking Belt Part Number PPP000000036355138-img

Precor C966 Commercial AA67 Treadmill Walking Belt Part Number PPP000000036355138

Part number: 36355138

Lifetime

2 - 5 Business Days

$169.99
Weslo CADENCE 925 Treadmill Walking Belt, Model Number WLTL25582-img

Weslo CADENCE 925 Treadmill Walking Belt, Model Number WLTL25582

Part number: 149701

Lifetime

2 - 5 Business Days

$99.99
Weslo CADENCE 10.0I Treadmill Walking Belt, Model Number TL10.0I0-img

Weslo CADENCE 10.0I Treadmill Walking Belt, Model Number TL10.0I0

Part number: 125410

Lifetime

2 - 5 Business Days

$99.99
Freemotion TV Treadmill Walking Belt, Model Number FMTL8505P-SNGP3-img

Freemotion TV Treadmill Walking Belt, Model Number FMTL8505P-SNGP3

Part number: 400816

Lifetime

2 - 5 Business Days

$169.99
Lifespan 1550SL Treadmill Walking Belt-img

Lifespan 1550SL Treadmill Walking Belt

Part number: Empty

Lifetime

2 - 5 Business Days

$169.99
Proform glx760 Treadmill pftl69210 Walking Belt 173063-img

Proform glx760 Treadmill pftl69210 Walking Belt 173063

Part number: 173063

Lifetime

2 - 5 Business Days

$99.99
Weslo CADENCE S5 Treadmill Walking Belt, Model Number WETL139060-img

Weslo CADENCE S5 Treadmill Walking Belt, Model Number WETL139060

Part number: 237541

Lifetime

2 - 5 Business Days

$99.99
NordicTrack C2420 Treadmill Walking Belt Model Number NTL14950-img

NordicTrack C2420 Treadmill Walking Belt Model Number NTL14950

Part number: 224004

Lifetime

2 - 5 Business Days

$129.99

LET US HELP YOU WITH YOUR REPAIR

Contact us for Support

Get Free Diagnostics to Make Sure You're Buying the Correct Part

800-750-4766

We Have Over 22,000 5 Star Reviews as of 5/12/2025!

FITNESS EQUIPMENT REVIEWS

Explore the best buys and reviews in the world of fitness equipment, including treadmills, ellipticals, and bikes. Find expert insights to make informed decisions for your fitness journey.


Treadmill Doctor Delivers Your Online Prescription for Quality Treadmill, Bike & Elliptical Parts

blog-part-image