Treadmill

Model # WLTL421040 Official Weslo cardiopacer treadmill

Here are the diagrams and repair parts for Official Weslo WLTL421040 cardiopacer treadmill, as well as links to manuals and error code tables, if available.

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WLTL421040 Fitness & Exercise
Treadmill Safety Key (replaces 125589, 153017) 119038
Treadmill safety key (replaces 125589, 153017)

Part #119038

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This item is not returnable
$3.14
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Black & Decker Exercise Equipment Screw 105444
#51

Walking belt/rails/console/motor diagram

Black & decker exercise equipment screw

Part #105444

This item is not returnable
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Black & Decker Treadmill Washer 014063
#66

Walking belt/rails/console/motor diagram

Black & decker treadmill washer

Part #014063

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
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Magnet,rnd,m 100498
#49

Walking belt/rails/console/motor diagram

Magnet,rnd,m

Part #100498

Replaced by #113842

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Manufacturer substitution
This part replaces 100498. Substitute parts can look different from the original.
This item is not returnable
In Stock
Toyostove Exercise Equipment Rubber Pad 157600
Toyostove exercise equipment rubber pad

Part #157600

This item is not returnable
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Weider Belt Guide 198640
#27

Walking belt/rails/console/motor diagram

Weider belt guide

Part #198640

This item is not returnable
In Stock
Exercise Equipment Handle End Cap, 1.5-in 116980
#20

Walking belt/rails/console/motor diagram

Exercise equipment handle end cap, 1.5-in

Part #116980

This item is not returnable
In Stock
Black & Decker Treadmill Nut 119425
Black & decker treadmill nut

Part #119425

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Nut-sert,hex 125719

#NI03

All parts diagram

Nut-sert,hex

Part #125719

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In Stock
Treadmill Nut 202561

#NI04

All parts diagram

Treadmill nut

Part #202561

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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: damaged walking belt, improper belt tension, bad roller bearing…

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

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 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
How to replace a treadmill walking board

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 difficulty
Time required
 30 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

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