Graco 01/0055-1/89 Piston 10.000 0.194 Nyl Hd

Compatible Machines

The Graco 01/0055-1/89 Piston 10.000 0.194 Nyl Hd is engineered for select Graco airless sprayer pump assemblies that require a 10.000” piston with 0.194 tolerance and nylon-based high-density construction.

• Graco Ultra Max II Series (selected pump configurations)
• Graco Mark Series Airless Sprayers (compatible pump assemblies only)
• Graco GH Series Hydraulic Sprayers (specific piston-fit models)
• Graco 390 / 395 / 490 / 495 / 595 Professional Sprayer Units
• Graco OEM pump rebuild kits requiring 10.000 x 0.194 Nyl HD pistons

What is the Graco 01/0055-1/89 Piston 10.000 0.194 Nyl Hd?

The Graco 01/0055-1/89 is a high-performance piston component designed for professional-grade airless spray pump systems. Manufactured using Nyl HD (high-density nylon), it provides a balance of strength, flexibility, and wear resistance under continuous high-pressure operation.

With precise dimensions of 10.000 x 0.194, this piston ensures accurate sealing and smooth reciprocating movement within Graco pump cylinders, supporting consistent spray output and stable pressure delivery during demanding coating applications.

It is widely used in maintenance and rebuild operations where OEM-level fitment and reliable hydraulic performance are required.

Key Features & Benefits

• Nyl HD construction for durability and impact resistance
• Precision-machined 10.000 x 0.194 dimensions
• Optimized for high-pressure airless spray performance
• Reduces internal wear and maintains pump efficiency
• Compatible with select Graco professional pump systems

Applications

Suitable for industrial painting, protective coatings, construction finishing, and equipment maintenance environments where Graco airless sprayers are used for continuous-duty operation.

Frequently Asked Questions