Graco 16D464 Piston Valve Assembly

Graco 16D464 Piston Valve Assembly – OEM Replacement Part

Compatible Machines

• Graco Xtreme Series Pump Lowers (85cc, 115cc, 145cc, 180cc, 220cc, 250cc, 290cc)
• Graco XP Series Pump Lowers (36cc–115cc models)
• Graco XP Series Pump Lowers (145cc–290cc models)
• Any sprayer using Xtreme / XP fluid pump lowers that include the 16D464 piston valve assembly

Product Details

The Graco 16D464 Piston Valve Assembly is a genuine OEM replacement part used inside the fluid section of heavy-duty Graco Xtreme and XP pump lowers. It maintains proper sealing, fluid direction, and pressurization during every pump cycle, ensuring steady performance and preventing internal bypass or pressure loss.

Why Use This OEM Piston Valve Assembly?

• Ensures correct internal pump sealing
• Restores proper pressure and spray consistency
• Prevents premature pump wear or fluid bypass
• Exact fit for Xtreme / XP pump lowers

Frequently Asked Questions