Weider
Weight System

Model #831159721 Official Weider pro 9930 weight system

Here are the diagrams and repair parts for Weider 831159721 pro 9930 weight system, 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Showing 10 of 105 parts

Weight System Weight Pin (replaces 193803, 204257, 224680)

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Self-locking pin

Part #193803
Replaced by #193926
?
Manufacturer substitution
This part replaces 193803. Substitute parts can look different from the original.
BEST SELLER
Back Order
$15.59 | 
11% OFF 
Phone Price: $17.59
Exercise Equipment Lubricating Grease

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Exercise equipment lubricating grease

Part #104838
BEST SELLER
This item is not returnable
In Stock
$3.89 | 
20% OFF 
Phone Price: $4.89
Weight System Cable Pulley

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Puly,3.5"od,

Part #134031
Replaced by #230475
?
Manufacturer substitution
This part replaces 134031. Substitute parts can look different from the original.
BEST SELLER
In Stock
$43.99 | 
10% OFF 
Phone Price: $48.99
Top Weight (replaces 126866, 127506, 127908)#78

Weight system Diagram

Top weight (replaces 126866, 127506, 127908)

Part #125919
This item is not returnable
In Stock
$12.49 | 
14% OFF 
Phone Price: $14.49
Nut,hex Nyl

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Nut,hex nyl

Part #012090

The manufacturer no longer makes this part, and there's no substitute part

Nut,hex Nyl

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Nut,hex nyl

Part #012082

The manufacturer no longer makes this part, and there's no substitute part

Weight System Cable Pulley (replaces 115164, 178221)

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3.5" v-pulley

Part #115164
Replaced by #204031
?
Manufacturer substitution
This part replaces 115164. Substitute parts can look different from the original.
In Stock
$69.79 | 
7% OFF 
Phone Price: $74.79
Weight System Screw

#NI44

All parts Diagram

Weight system screw

Part #184973
This item is not returnable
In Stock
$2.16
Plastic Bushing, 1 x 7/8-in

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Plastic bushing, 1 x 7/8-in

Part #126808
This item is not returnable
In Stock
$2.16
Base End Cap

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Base end cap

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

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