Graco 19Y268 Piston Rod
$157.56
$213.50
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The Graco 19Y268 Piston Rod is a durable Chromex replacement rod designed for UltraMax II 650 sprayers. It ensures smooth pump operation and consistent spraying performance.
- Compatible with UltraMax II 650 PC / PC Pro / XT models
- Works with pump assemblies 19B732 and 19Y298
- Restores pump pressure and reduces wear on packings
- High-strength Chromex finish for extended lifespan
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Compatibility & Key Specs for Replacement
Compatible Machines
This Graco 19Y268 Piston Rod fits UltraMax II 650 sprayers that use the matching 650-series fluid pump.
- UltraMax II 650 PC Pro (Hi-Boy & Lo-Boy)
- UltraMax II 650 ProConnect (PC)
- UltraMax II 650 XT (Hi-Boy / Lo-Boy; models using pump 19B732 or 19Y298)
About the Part
The Graco 19Y268 Piston Rod is the drive rod inside the pump’s fluid section. It transfers motion from the sprayer’s drive to the piston so your sprayer can draw and pressurize coating efficiently. Replacing a worn rod restores smooth pumping, pressure stability, and finish quality.
Quick Specifications
| Part Number | 19Y268 |
|---|---|
| Part Type | Piston / Pump Rod (Replacement Kit) |
| Intended Series | UltraMax II 650 (PC / PC Pro / XT variants that share the 650 pump) |
| Pump Compatibility | Works with fluid pump assemblies 19B732 and 19Y298 |
| Finish / Build | Chromex rod for durability and wear resistance |
| UPC | 00755652962540 |
When to Replace the Rod
- Pressure fluctuations, pulsing, or poor atomization
- Visible scoring, pitting, or corrosion on the rod
- Frequent packing leaks even after new packings
- Excessive wear from abrasive coatings or poor maintenance
What’s Included
Replacement piston rod only (use with the correct pump, piston, and packing set as specified for your UltraMax II 650 model).
Installation & Care Tips
- Confirm your sprayer’s model & pump number before disassembly.
- Work clean—flush old coating, then keep parts free of grit during install.
- Inspect cylinder/sleeve and packings; replace worn components together for best results.
- After installation, prime with appropriate fluid and check for leaks at low pressure before spraying.
| Frequently Asked Questions |
|---|
Match your sprayer model and verify the pump assembly number. If your 650 uses pump 19B732 or 19Y298, this rod is correct. When in doubt, check your parts manual or the pump breakdown for your exact unit.
It’s strongly recommended. A new rod running through worn packings (or a scored sleeve) will not seal properly and can wear prematurely. Replace any damaged sleeve/cylinder at the same time for best performance and longevity.
Yes—listings identify 19Y268 as a Chromex rod for UltraMax II 650 PC Pro, providing enhanced wear resistance for pump longevity.
No. This rod is specific to the 650 platform. Other Ultra/Ultimate models use different pump assemblies and rods. Use the part number in your machine’s manual to avoid mismatches.
Look for scoring on the rod, packing leaks that reoccur quickly, pressure drop/pulsing, and inconsistent spray pattern. These point to rod and/or sleeve wear.
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