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Horizon 3.1T treadmill Parts
Here are the diagrams and repair parts for Horizon 3.1T treadmill, as well as links to manuals and error code tables, if available.
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Browse Parts for 3.1T Fitness & Exercise
Treadmill diagram
Motor Set
Part #SZTM103MTRReplaced by #016118-Z
Manufacturer substitutionThis part replaces SZTM103MTR. Substitute parts can look different from the original.In Stock$387.52$12.00 OFF Phone Price : $399.52
Qty
Treadmill diagram
Belt
Part #MD0610054BReplaced by #004249-DB
Manufacturer substitutionThis part replaces MD0610054B. Substitute parts can look different from the original.In Stock$155.997% OFF Phone Price : $167.99QtyTreadmill diagram
Space Ring
Part #MB0649003
The manufacturer no longer makes this part, and there's no substitute part
Treadmill diagram
Deck
Part #MD0701019FA
The manufacturer no longer makes this part, and there's no substitute part
Treadmill diagram
Cover
Part #MB0236002FB
The manufacturer no longer makes this part, and there's no substitute part
Treadmill diagram
Ring
Part #MR0027001B
The manufacturer no longer makes this part, and there's no substitute part
Treadmill diagram
Latch Base
Part #MJ1027004B
The manufacturer no longer makes this part, and there's no substitute part
Treadmill diagram
Cover Right Support Tube Base (pvc (75140 Color) (1 Pcs)
Part #MB0707014AA
The manufacturer no longer makes this part, and there's no substitute part
Treadmill diagram
Bolt
Part #MZE0112167
The manufacturer no longer makes this part, and there's no substitute part
Treadmill diagram
Nut
Part #MZE0204013
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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