

The Graco D03900 KITSEAT‑307‑PP is a genuine OEM seat replacement kit for Husky 307 pumps, restoring proper sealing and performance in the fluid section.
| Pump / System | Fit Details |
|---|---|
| Graco Husky 307 Air‑Operated Diaphragm Pumps (Polypropylene Seats) | Fits pumps that use **polypropylene seat material** in the fluid section of the Husky 307 series. |
| Industrial & OEM Systems with Husky 307 Pumps | Suitable where Husky 307 polypropylene seat components are used in fluid handling systems. |
The Graco D03900 KITSEAT‑307‑PP is a genuine Graco **polypropylene seat replacement kit** for Husky 307 air‑operated diaphragm pumps. It provides replacement seats made from polypropylene to maintain proper sealing and performance in the pump fluid section when original seats wear or fail.
| Specification | Detail |
|---|---|
| Part Number | D03900 |
| Kit Type | Seat replacement kit for Husky 307 pumps |
| Seat Material | Polypropylene |
| Application | Fluid section seat service/replace |