Proform
Treadmill

Model # 831248433 Official Proform treadmill

Here are the diagrams and repair parts for Official Proform 831248433 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 104 parts  |

Treadmill Walking Belt Alignment Tool (replaces 161927) 128457

#NI08

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Treadmill walking belt alignment tool (replaces 161927)

Part #128457

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Treadmill Drive Belt 260687

#35B

All parts diagram

Treadmill drive belt

Part #260687

$35.99
14% OFF Phone Price : $41.99
In Stock
Black & Decker Treadmill Power Cord (replaces 031033, 031143, 031147, 247991) 031229

#54

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Black & decker treadmill power cord (replaces 031033, 031143, 031147, 247991)

Part #031229

$11.39
15% OFF Phone Price : $13.39
In Stock
Treadmill Drive Motor 339461

#35A

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Treadmill drive motor

Part #339461

Replaced by #405705

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Manufacturer substitution
This part replaces 339461. Substitute parts can look different from the original.
$176.06
6% OFF Phone Price : $188.06
In Stock
Treadmill Rear Roller 248571

#42

All parts diagram

Treadmill rear roller

Part #248571

$70.79
8% OFF Phone Price : $76.79
In Stock
Treadmill Safety Key Assembly 260830

#62

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Treadmill safety key assembly

Part #260830

This item is not returnable
$5.99
14% OFF Phone Price : $6.99
In Stock
Treadmill Front Roller And Pulley 315693

#31

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Treadmill front roller and pulley

Part #315693

$109.79
10% OFF Phone Price : $121.79
In Stock
Toyostove Treadmill Circuit Breaker 186726

#55

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Toyostove treadmill circuit breaker

Part #186726

This item is not returnable
In Stock
Treadmill Walking Board (replaces 347888) 315692

#39

All parts diagram

Treadmill walking board (replaces 347888)

Part #315692

$88.85
6% OFF Phone Price : $94.85
In Stock
Black & Decker Power Cord Grommet 173169

#53

All parts diagram

Black & decker power cord grommet

Part #173169

This item is not returnable
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.…