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Horizon 3.0T treadmill Parts
Here are the diagrams and repair parts for Horizon 3.0T treadmill, as well as links to manuals and error code tables, if available.
By Schematic
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Browse Parts for 3.0T Fitness & Exercise
Treadmill assembly diagram
Latch Base
Part #MJ1027004B
The manufacturer no longer makes this part, and there's no substitute part
Treadmill assembly diagram
Fix Plate
Part #MJ1040005C
The manufacturer no longer makes this part, and there's no substitute part
#NI05
All parts diagram
Wrench
Part #MZE1003001
The manufacturer no longer makes this part, and there's no substitute part
#NI07
All parts diagram
Hardware Kit
Part #SM0039034A
The manufacturer no longer makes this part, and there's no substitute part
Treadmill assembly diagram
Nut
Part #MZE0201005
The manufacturer no longer makes this part, and there's no substitute part
Treadmill assembly diagram
Cover-h-bar End Cap (abs)(2)
Part #MB0701006AA
The manufacturer no longer makes this part, and there's no substitute part
Treadmill assembly diagram
Lock Washer
Part #MZE0501007
The manufacturer no longer makes this part, and there's no substitute part
Treadmill assembly diagram
Bracket,motor Support
Part #SP0026030AB
The manufacturer no longer makes this part, and there's no substitute part
Treadmill assembly diagram
C-clip
Part #MZE0902001
The manufacturer no longer makes this part, and there's no substitute part
#NI02
All parts diagram
Screw
Part #MZE0107016
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
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
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
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.
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
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