Graco 256974 Pump Packing Repair Kit
$63.94
$88.75
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Graco 256974 Pump Packing Repair Kit restores pump performance and prevents leaks in compatible FinishPro sprayers. Includes essential seals and packings for smooth, consistent spraying.
- Part Number: 256974
- Fits: FinishPro 290 & FinishPro II 295
- Function: Replaces worn pump seals & packings
- Use: For maintenance and fluid section rebuild
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Genuine OEM Part
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Graco 256974 Pump Packing Repair Kit — Overview & Key Details
Compatible Machines
- Graco FinishPro 290
- Graco FinishPro II 295
Product Description
The Graco 256974 Pump Packing Repair Kit is a maintenance kit for the fluid section of compatible airless sprayers. It contains the sealing components (packings, seals, and O-rings) required to restore pump performance, reduce leakage, and maintain consistent spray pressure. Ideal for preventative maintenance or when you notice symptoms like pulsation, lost prime, or material seepage from the lower pump.
Key Benefits
- Refreshes the fluid section with new packings & seals for reliable operation.
- Helps eliminate leaks and pressure fluctuation caused by worn components.
- Supports longer pump life with routine service intervals.
Specifications
| Part Number | 256974 |
|---|---|
| Item Type | Pump Packing Repair Kit (fluid section) |
| For Use With | Airless paint sprayers listed in Compatible Machines above |
| Typical Contents | Upper/lower packings, seals, O-rings, and related wear items (exact contents may vary by revision) |
| Purpose | Restore sealing integrity, prime retention, and smooth pressure delivery |
Compatibility & Fit Notes
- Match the kit by part number (256974) and your sprayer’s exact model designation.
- Model name similarities can be misleading—verify using your unit’s parts manual or serial tag.
- If your sprayer is not a FinishPro 290 or FinishPro II 295, check the manual for the correct kit reference.
Installation Tips (General)
- Relieve pressure and disconnect power before service; clean the fluid section thoroughly.
- Lay out new and old parts in order to ensure correct packing stack orientation.
- Lightly lubricate packings per manufacturer guidance; avoid over-tightening gland nuts.
- After reassembly, prime with compatible fluid and check for leaks at low pressure before normal operation.
Frequently Asked Questions
Check your model’s parts manual and verify that the packing kit listed is 256974. If your unit is a FinishPro 290 or FinishPro II 295, this is the documented kit.
Loss of prime, material weeping from the lower pump, inconsistent pressure, or excessive pulsation typically indicate worn packings and seals that should be replaced.
Packing kits include the wear and sealing components for the fluid section. Fasteners, rods, housings, and metal pump components are typically not included unless specified in the bill of materials for 256974.
Yes. Replacing worn seals and packings helps restore proper sealing and smooth pressure delivery, reducing pulsation and leak-related performance loss.
Flush after each use with the correct solvent, avoid running the sprayer dry, strain materials, and follow recommended lubrication practices. Regular maintenance prevents premature packing wear.
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