Horizon
Treadmill

Model # T81 Official Horizon treadmill

Here are the diagrams and repair parts for Official Horizon T81 treadmill, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 112 parts  |

Treadmill Motor Control Board (replaces 016171-z, Sjed08092gf) 032671-HF
#M03

Frame assy diagram

Treadmill motor control board (replaces 016171-z, sjed08092gf)

Part #032671-HF

This item is not returnable
$318.08
$10.00 OFF Phone Price : $328.08
In Stock
Treadmill On/off Switch 003326-00
#P02

Frame assy diagram

Treadmill on/off switch

Part #003326-00

$27.79
15% OFF Phone Price : $32.79
In Stock
Treadmill Walking Board Cushion, Center (blue) 000768-D
#B58

Frame assy diagram

Treadmill walking board cushion, center (blue)

Part #000768-D

In Stock
Drive Motor 016154-Z
#M01

Belt assy diagram

Drive motor

Part #016154-Z

Replaced by #1000111822

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Manufacturer substitution
This part replaces 016154-Z. Substitute parts can look different from the original.
$324.55
$10.00 OFF Phone Price : $334.55
In Stock
Treadmill Walking Board Cushion (orange) 000767-D
#B57

Frame assy diagram

Treadmill walking board cushion (orange)

Part #000767-D

$17.69
10% OFF Phone Price : $19.69
In Stock
Treadmill Washer 005005-00
#M09

Belt assy diagram

Treadmill washer

Part #005005-00

This item is not returnable
In Stock
Treadmill Lift Assist Shock Absorber 009562-AX
#B56

Frame assy diagram

Treadmill lift assist shock absorber

Part #009562-AX

$30.79
14% OFF Phone Price : $35.79
In Stock
Handlebar End Cap 000920-00
#G36

Console assy diagram

Handlebar end cap

Part #000920-00

This item is not returnable
In Stock
Exercise Equipment Washer 005198-00
#H29

Frame assy diagram

Exercise equipment washer

Part #005198-00

This item is not returnable
In Stock
Belt 004170-00
#R03

Belt assy diagram

Belt

Part #004170-00

Replaced by #1000109577

?
Manufacturer substitution
This part replaces 004170-00. Substitute parts can look different from the original.
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

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…

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 motor controller

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…

Repair difficulty
Time required
 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 difficulty
Time required
 45 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 difficulty
Time required
 15 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.…