

Ensure proper fluid control and prevent backflow in your Graco Mark X sprayer with the genuine OEM 258649 Check Valve Kit. Ideal for retrofit or replacement.
| Graco Sprayer Model | Compatibility Notes |
|---|---|
| Graco Mark X 255914 | Retrofit check valve upgrade or replacement application |
| Graco Mark X 249627 | Requires check valve retrofit kit if not factory‑equipped |
| Graco Mark X 249628 | Includes accessory check valve as retrofit option |
The Graco 258649 Kit, Accessory, Check Valve is a genuine OEM check valve accessory designed to retrofit or replace the fluid check valve assembly in select Graco Mark X airless sprayers. It helps prevent backflow and maintains consistent fluid control during spraying. :contentReference[oaicite:0]{index=0}
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