Horizon
Treadmill

Model #OMEGA II Horizon treadmill

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

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    Showing 10 of 141 parts

    Bolt

    #B41

    Treadmill assembly Diagram

    Bolt

    Part #008609-00
    ?
    Manufacturer substitution
    This part replaces MJ3011001. Substitute parts can look different from the original.
    This part replaces MJ3011001
    This item is not returnable
    $5.93

    In Stock

    Screw

    #B36

    Treadmill assembly Diagram

    Screw

    Part #MZE0105013

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

    Foot Lock Latch Spring

    #L15

    Treadmill assembly Diagram

    Foot lock latch spring

    Part #005438-00
    ?
    Manufacturer substitution
    This part replaces MZE1103001. Substitute parts can look different from the original.
    This part replaces MZE1103001
    This item is not returnable
    $2.16

    In Stock

    Treadmill Reed Switch

    #N23

    Treadmill assembly Diagram

    Treadmill reed switch

    Part #001956-C
    ?
    Manufacturer substitution
    This part replaces MC0403003B. Substitute parts can look different from the original.
    This part replaces MC0403003B
    This item is not returnable
    $5.43

    In Stock

    Exercise Equipment Nut

    #B48

    Treadmill assembly Diagram

    Exercise equipment nut

    Part #004925-00
    ?
    Manufacturer substitution
    This part replaces MZE0204004. Substitute parts can look different from the original.
    This part replaces MZE0204004
    This item is not returnable
    $2.16

    In Stock

    Treadmill Reed Switch

    #P14

    Treadmill assembly Diagram

    Treadmill reed switch

    Part #002248-D
    ?
    Manufacturer substitution
    This part replaces MC0510031D. Substitute parts can look different from the original.
    This part replaces MC0510031D
    $8.16

    In Stock

    Grip Pulse

    #N32

    Treadmill assembly Diagram

    Grip pulse

    Part #003432-B
    ?
    Manufacturer substitution
    This part replaces MC0712021B. Substitute parts can look different from the original.
    This part replaces MC0712021B
    $22.88

    In Stock

    Exercise Cycle Leveler Foot

    #K09

    Treadmill assembly Diagram

    Exercise cycle leveler foot

    Part #000485-00
    ?
    Manufacturer substitution
    This part replaces MB0301002. Substitute parts can look different from the original.
    This part replaces MB0301002
    This item is not returnable
    $2.19

    In Stock

    Holder

    #N17

    Treadmill assembly Diagram

    Holder

    Part #001363-B
    ?
    Manufacturer substitution
    This part replaces MB0668001B. Substitute parts can look different from the original.
    This part replaces MB0668001B
    This item is not returnable
    $2.53

    In Stock

    Exercise Equipment Screw

    #M06

    Treadmill assembly Diagram

    Exercise equipment screw

    Part #004502-00
    ?
    Manufacturer substitution
    This part replaces MZE0104112. Substitute parts can look different from the original.
    This part replaces MZE0104112
    This item is not returnable
    $2.16

    In Stock

    Symptoms for treadmills

    Choose a symptom to see related treadmill repairs.

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

    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 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
    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
    June 1, 2015
    By Lyle Weischwill
    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 walking board if it's worn or damaged.

    Repair difficulty
    Time required
     30 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.

    June 29, 2015

    Easy DIY treadmill repairs

    By Sears PartsDirect staff

    Learn about treadmill repairs that you can easily do yourself.

    June 1, 2015

    Treadmill common questions

    By Sears PartsDirect staff

    These answers to common questions can help you make the most of your treadmill.

    May 10, 2015

    How to maintain a treadmill

    By Sears PartsDirect staff

    Keep your treadmill in shape by following these tips.