Graco 15G478 Bumper, Piston
$26.19
In Stock
OEM Graco piston bumper — cushions piston contact in fluid pumps to extend life.
- Brand: Graco
- Type: Piston Bumper
- Application: Shock absorption for pistons
- Fit/Ports: Pump fluid section piston interface
- Materials: Wear‑resistant elastomer
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Compatible Machines / Systems
- Fits Graco fluid pump assemblies where piston impact damping is required — check parts diagram for exact models.
| Manufacturer | Graco |
|---|---|
| Model Number | 15G478 |
| Type | Piston Bumper |
| Center Section Material | Elastomer shock absorber |
| Port Size | Piston interface |
| Air Inlet | N/A |
| Wetted Material | Elastomer |
| Compatible Media | Paints / coatings fluids |
Frequently Asked Questions
What does the piston bumper do?
It absorbs impact energy when pistons reach end of stroke to reduce wear.
Is it reusable?
It may wear over time and typically is replaced during routine pump maintenance.
Is this an OEM Graco part?
Yes — designed to OEM specifications to match pump performance criteria.
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