

The Graco 159825 Packing O-Ring provides a reliable pressure seal for Graco pumps and spray systems.
The Graco 159825 Packing O-Ring is a genuine OEM sealing component designed to maintain a secure pressure seal within Graco pump and fluid-handling systems. It supports consistent performance by preventing leaks under high-pressure operating conditions.
| Specification | Details |
|---|---|
| Part Number | 159825 |
| Component Type | Packing / O-Ring |
| Material | High-durability elastomer |
| Function | Maintains fluid seal and prevents pressure loss |
| Compatibility Use | Graco pumps, sprayers, and internal fluid components |
| Machine / Pump Model | Compatibility Information |
|---|---|
| Check Graco Parts Manual | Verify part number 159825 in your model’s parts breakdown. |
| Dealer / Support Verification | Provide your machine’s model & serial number to confirm fitment. |
It creates a secure seal within Graco pumps and fluid assemblies, preventing leaks and maintaining consistent system pressure.
Check your machine’s parts diagram. If 159825 is listed, it is compatible. You may also confirm with your parts supplier using your model number.
Yes. Clean the sealing area, lubricate if recommended, seat the O-ring correctly, and reassemble according to your equipment manual.
Replace when signs of wear appear or during scheduled maintenance to ensure continued system reliability.
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