

Graco 108691 Tubing Plug is a genuine OEM end cap that seals open tubing on Graco Hi-Boy and Lo-Boy sprayers, keeping out dust and debris while ensuring a secure fit.
This tubing plug is used on select hi-boy and lo-boy Graco carts/sprayers. Fits the following models:
Graco 108691 Tubing Plug is a genuine OEM component designed to cap and protect open tubing ends on Graco sprayer frames and carts. It helps prevent debris ingress, reduces rattling, and provides a clean, finished look on hi-boy/lo-boy frames.
Use this part when replacing missing or damaged frame/cabinet tubing caps to maintain proper protection and fit on compatible machines.
| Attribute | Value |
|---|---|
| Part Name | Plug, Tubing |
| Graco Part # | 108691 |
| Type | Tubing/end-cap for frame/cabinet tubes |
| Compatibility | Selected Ultra / Ultra Max II / PC Ultra series (see list above) |
| Installation | Press-fit into open tube end; replace if cracked, loose, or missing |
| Genuine OEM | Yes — use OEM to ensure proper fit and durability |
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