Graco 16U804 Displacement Rod
$399.67
$468.00
Save 15%
In Stock
Genuine Graco 16U804 Displacement Rod engineered for smooth pump performance and reliable fluid delivery. Ideal for maintaining efficiency in compatible Graco pump-lower systems.
- OEM precision-machined rod
- Durable stainless-alloy construction
- Supports 680 cc pump-lower assemblies
- Enhances pump lifespan and consistency
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Graco 16U804 Rod, Displacement Product Details
The Graco 16U804 Displacement Rod is a precision-machined rod used inside specific displacement-pump lower assemblies. It ensures smooth piston movement, consistent fluid delivery, and long-term durability in professional and industrial spraying applications.
Compatible Machines
This part is compatible with pump systems that use the following:
- 680 cc Pump Lower Assembly (factory-specified systems using this lower)
Key Features
- Durable build: Engineered for high-pressure operation and long service life.
- Precision alignment: Ensures smooth piston travel and consistent displacement.
- OEM replacement: Fits systems designed for part number 16U804 without modification.
- Corrosion-resistant surface: Reduces internal wear in pump lower assemblies.
Technical Highlights
- High-strength alloy construction
- Designed specifically for displacement-pump lower assemblies using this rod model
- Supports high-viscosity and professional-grade coating materials
- Maintains volumetric accuracy during operation
Installation & Maintenance Tips
- Always confirm your pump lower assembly supports this rod model before installation.
- Lubricate internal seals and packing components during assembly.
- Inspect regularly for scoring or wear to maintain pumping efficiency.
- Replace packings and seals during rod replacement for best performance.
Frequently Asked Questions
The displacement rod connects the drive mechanism to the internal piston, allowing the pump to pull material in and push it out at consistent pressure.
No. It is only compatible with systems that use pump lowers designed for the 16U804 displacement rod, including 680 cc pump-lower assemblies.
It should be replaced when scoring, rough movement, leaks, or pressure inconsistencies are observed. Regular inspection helps prevent pump damage.
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