Horizon
Treadmill

Model #1.1T Horizon treadmill

Here are the diagrams and repair parts for Horizon 11T treadmill, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

    Showing 10 of 282 parts

    Treadmill Walking Belt Lubricant#KIT

    Treadmill Diagram

    Bottle set

    Part #MF0821002A
    Replaced by #1000092805
    ?
    Manufacturer substitution
    This part replaces MF0821002A. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $17.80
    Treadmill Nut

    See All Related Diagrams

    Nut

    Part #MZE0204005
    Replaced by #004926-00
    ?
    Manufacturer substitution
    This part replaces MZE0204005. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.73
    Treadmill Safety Key Assembly

    See All Related Diagrams

    Safety key

    Part #MR0004003A
    Replaced by #051345-A
    ?
    Manufacturer substitution
    This part replaces MR0004003A. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $30.87
    Treadmill Walking Belt#R02

    Treadmill Diagram

    Belt

    Part #MD0610054B
    Replaced by #004249-DB
    ?
    Manufacturer substitution
    This part replaces MD0610054B. Substitute parts can look different from the original.
    In Stock
    $212.71
    Treadmill Drive Belt#R03

    Treadmill Diagram

    Belt

    Part #MD0602023
    Replaced by #1000109577
    ?
    Manufacturer substitution
    This part replaces MD0602023. Substitute parts can look different from the original.
    In Stock
    $57.97
    Treadmill Reed Switch#P14

    Treadmill Diagram

    Sensor

    Part #MC0510031D
    Replaced by #002248-D
    ?
    Manufacturer substitution
    This part replaces MC0510031D. Substitute parts can look different from the original.
    In Stock
    $8.16
    Treadmill Safety Key Assembly#AN2

    Treadmill Diagram

    Safety key

    Part #SZTM58SFK
    Replaced by #016488-Z
    ?
    Manufacturer substitution
    This part replaces SZTM58SFK. Substitute parts can look different from the original.
    In Stock
    $8.91
    Treadmill Transport Wheel#L05

    Treadmill Diagram

    Wheel

    Part #MB0103006B
    Replaced by #000021-B
    ?
    Manufacturer substitution
    This part replaces MB0103006B. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.25
    Treadmill Walking Board#B31

    Treadmill Diagram

    Deck

    Part #MD0701019FA
    Replaced by #004294FA
    ?
    Manufacturer substitution
    This part replaces MD0701019FA. Substitute parts can look different from the original.
    In Stock
    $188.42
    Treadmill Isolator#B29

    Treadmill Diagram

    Elastomer

    Part #MB0502004C
    Replaced by #000760-E
    ?
    Manufacturer substitution
    This part replaces MB0502004C. Substitute parts can look different from the original.
    In Stock
    $11.55

    Symptoms for treadmills

    Choose a symptom to see related treadmill repairs.

    Main causes: faulty sensors, wiring failure, bad control console
    Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor control board
    Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor
    Main causes: bad control console, wiring failure, bad motor control board
    Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor
    Main causes: damaged walking belt, improper belt tension, bad roller bearing
    Main causes: rear roller out of alignment, damaged walking belt, bad roller

    Repair guides for treadmills

    These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

    June 1, 2015
    By Lyle Weischwill
    How to replace a treadmill motor controller

    Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the motor correctly.

    Repair difficulty
    Time required
     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 these steps.

    Repair difficulty
    Time required
     45 minutes or less
    June 1, 2015
    By Lyle Weischwill
    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't run.

    Repair difficulty
    Time required
     15 minutes or less

    Articles and videos for treadmills

    Use the advice and tips in these articles and videos to get the most out of your treadmill.

    December 21, 2016

    How to troubleshoot treadmill problems

    By Sears PartsDirect staff

    See what to check if you're having a problem with your treadmill, and what you can do to fix it.

    May 10, 2015

    How to maintain a treadmill

    By Sears PartsDirect staff

    Keep your treadmill in shape by following these tips.

    January 1, 1970

    How to tell if a fuse is blown

    By Lyle Weischwill

    Learn how to tell whether a fuse is blown