Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Horizon 3.3T treadmill

Horizon 3.3T treadmill Parts

Here are the diagrams and repair parts for Horizon 3.3T treadmill, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for 3.3T Fitness & Exercise

  • Screw for Horizon 3.3T - Part MZE0107021AB

    Screw

    Part #MZE0107021AB

    The manufacturer no longer makes this part, and there's no substitute part

  • Hardware Pack for Horizon 3.3T - Part SM0039207A

    Treadmill diagram

    Hardware Pack

    Part #SM0039207A

    The manufacturer no longer makes this part, and there's no substitute part

  • Bolt for Horizon 3.3T - Part MJ3011004A

    Treadmill diagram

    Bolt

    Part #MJ3011004A

    The manufacturer no longer makes this part, and there's no substitute part

  • Washer for Horizon 3.3T - Part MZE0505033

    Washer

    Part #MZE0505033

    The manufacturer no longer makes this part, and there's no substitute part

  • Bottom Cover for Horizon 3.3T - Part MB0237019CA

    Treadmill diagram

    Bottom Cover

    Part #MB0237019CA

    The manufacturer no longer makes this part, and there's no substitute part

  • Bolt for Horizon 3.3T - Part MJ3022012A

    Treadmill diagram

    Bolt

    Part #MJ3022012A

    The manufacturer no longer makes this part, and there's no substitute part

  • Nut for Horizon 3.3T - Part MZE0201019

    Treadmill diagram

    Nut

    Part #MZE0201019

    The manufacturer no longer makes this part, and there's no substitute part

  • Breaker for Horizon 3.3T - Part MC0702011

    Treadmill diagram

    Breaker

    Part #MC0702011

    The manufacturer no longer makes this part, and there's no substitute part

  • Bolt for Horizon 3.3T - Part ME0104098

    Treadmill diagram

    Bolt

    Part #ME0104098

    The manufacturer no longer makes this part, and there's no substitute part

  • Fix Plate for Horizon 3.3T - Part MJ1040005C

    Treadmill diagram

    Fix Plate

    Part #MJ1040005C

    The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your fitness & exercise

Choose a symptom to see related treadmill repairs.

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

Main causes: dead batteries, power supply failure, bad wiring connections, faulty 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 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 time and Difficulty

 30 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 time and Difficulty

 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 time and Difficulty

 45 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.…

Parts & More

Electric Wall Oven
Elliptical Machine
Front-Engine Lawn Tractor
Furnace
Gas Pressure Washer
Gas Snowblower
Gas Walk-Behind Mower
Parts
Reciprocating Saw
Riding Mowers & Tractors
Side-By-Side Refrigerator
Table Saw
Top-Mount Refrigerator
Washer
Water Heater