$3.99
CONFIRM THE PART FITS
Part Information
This butterfly arm (part number 378371) is for weight systems.
Butterfly arm 378371 attaches to the cables and weights for an upper body and arm workout.
Follow the instructions in your owner's manual when installing this part.
Frequently Used Together
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Top models using the same part
| Model Name | Model Number | Diagram Name |
|---|---|---|
| Model #831159620 Weider weight machine | 831159620 | All parts |