Weider
Weight System

Model #831159820 Official Weider pro 4100 weight system

Here are the diagrams and repair parts for Weider 831159820 pro 4100 weight system, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

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

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Showing 10 of 116 parts

Weight System Weight, 12-1/2-lb (replaces 115312, 127505, 135786, 155872, BB-0318, BB-0325)#72

Weider pro 4100 Diagram

In Stock
$8.50 | 
11% OFF 
Phone Price: $9.50
Top Weight#74

Weider pro 4100 Diagram

Top weight

Part #125919
This item is not returnable
In Stock
$12.49 | 
14% OFF 
Phone Price: $14.49
Elliptical Washer

See All Related Diagrams

Elliptical washer

Part #014132
This item is not returnable
In Stock
$2.16
Exercise Equipment Foam Pad

See All Related Diagrams

Exercise equipment foam pad

Part #122691
This item is not returnable
In Stock
$2.99
Exercise Equipment Flat Washer

See All Related Diagrams

Exercise equipment flat washer

Part #014073
This item is not returnable
In Stock
$2.16
Weight System Plastic Spacer, M10 x 12-mm

See All Related Diagrams

Plastic spacer, 1/2-in

Part #188304
Replaced by #214060
?
Manufacturer substitution
This part replaces 188304. Substitute parts can look different from the original.
This item is not returnable
In Stock
$2.16
Weight System Cable Pulley

See All Related Diagrams

3.5" v-pulley

Part #115164
Replaced by #204031
?
Manufacturer substitution
This part replaces 115164. Substitute parts can look different from the original.
Back Order
$69.79 | 
7% OFF 
Phone Price: $74.79
Base End Cap

See All Related Diagrams

Base end cap

Part #103833
This item is not returnable
In Stock
$2.16
Exercise Equipment Bolt

See All Related Diagrams

Exercise equipment bolt

Part #013601
This item is not returnable
In Stock
$2.16
Weight System Chain, 16-in

See All Related Diagrams

In Stock
$10.99

Articles and videos common to all fitness & exercise

June 29, 2022

Top questions about Sears and Sears PartsDirect

By Lyle Weischwill

Get answers to frequently asked questions about Sears and Sears PartsDirect.