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Weslo
Treadmill

Model # WL425012 Official Weslo cadence 4250 treadmill

Here are the diagrams and repair parts for Official Weslo WL425012 cadence 4250 treadmill, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 92 parts  |
Silicone 6.2 100916

#NI

All parts diagram

Silicone 6.2

Part #100916

Replaced by #219170

?
Manufacturer substitution
This part replaces 100916. Substitute parts can look different from the original.
$23.69 | 
20% OFF Phone Price : $29.69
In Stock
Black & Decker Treadmill Power Cord (replaces 031033, 031143, 031147, 247991) 031229
#45

Unit parts diagram

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

Part #031229

$11.39 | 
15% OFF Phone Price : $13.39
In Stock
Cb,15 Amp,sl 031103
#42

Unit parts diagram

Cb,15 amp,sl

Part #031103

Replaced by #109382

?
Manufacturer substitution
This part replaces 031103. Substitute parts can look different from the original.
This item is not returnable
$9.39 | 
10% OFF Phone Price : $10.39
In Stock
Mag,rnd,for 033066
#49

Unit parts diagram

Mag,rnd,for

Part #033066

Replaced by #113842

?
Manufacturer substitution
This part replaces 033066. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Choke,5.5mh 031238
#14

Unit parts diagram

Choke,5.5mh

Part #031238

Replaced by #130993

?
Manufacturer substitution
This part replaces 031238. Substitute parts can look different from the original.
$34.19 | 
15% OFF Phone Price : $40.19
In Stock
Exercise Equipment Star Washer 014157
#83

Unit parts diagram

Exercise equipment star washer

Part #014157

This item is not returnable
$2.16
In Stock
Exercise Equipment Bolt 103045
#60

Unit parts diagram

Exercise equipment bolt

Part #103045

This item is not returnable
$2.16
In Stock
Exercise Equipment Bolt 104581
#18

Unit parts diagram

Exercise equipment bolt

Part #104581

This item is not returnable
$2.16
In Stock
Weider Exercise Equipment Hex Nut 105477
#76

Unit parts diagram

Weider exercise equipment hex nut

Part #105477

This item is not returnable
$2.16
In Stock
Weider Exercise Equipment Screw 013275
#56

Unit parts diagram

Weider exercise equipment screw

Part #013275

This item is not returnable
$2.16
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

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

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Why is my treadmill's walking belt off center?

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

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Why won't my treadmill start even though the console display works?

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

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Why is my treadmill's heart rate sensor not accurate?

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

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why won't my treadmill power up?

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

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Repair guides for treadmills

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

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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…

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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'…

Read more
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…

Read more
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.

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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.…

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