The Graco 826266 Fluid Seal Repair Kit restores factory-tight seals on your airless spray guns, ensuring reliable spraying performance and reduced downtime.
The Graco 826266 Fluid Seal Repair Kit is an OEM replacement seal pack designed for the Graco 26C625 automatic airless spray gun and other guns with the same fluid housing. It restores factory-tight seals to reduce downtime and maintain consistent spraying performance.
| Part Number | 826266 |
|---|---|
| Kit Type | Fluid Seal Repair Kit |
| Main Use | Restores factory-tight fluid seals on Graco spray guns |
| Materials | PTFE, Fluoroelastomer, Acetal |
| Operating Pressure | 5,000–7,250 psi |
The kit contains 2 fluid gaskets (Acetal), 1 O-ring packing (Fluoroelastomer), and 1 PTFE back-up ring — all genuine Graco parts designed for precise fit and durability.
It fits the Graco 26C625 automatic airless spray gun and any custom fixtures using the same fluid-housing stack-up. Other related guns include 26C624, 288048, and 288554 (verify corresponding seal kits in your manual).
Follow the Graco service manual: relieve pressure, remove diffuser seat and old gasket stack, seat PTFE back-up ring, O-ring, and acetal gaskets in order, then re-torque diffuser to 20–25 ft-lb and test the spray pattern.
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