Graco 01/0055-1U/89 Piston 11.580 0.194 Nylon HD
High-precision Nylon HD piston engineered to maintain consistent pressure and smooth reciprocating action in compatible Graco airless spray pump systems.
- Size: 11.580 x 0.194 specification
- Material: Nylon HD for strength and wear resistance
- Used in select Graco professional airless sprayer pumps
- Supports stable high-pressure spray performance
- OEM-fit component for pump maintenance and rebuilds
Precision Nylon HD Piston for Stable Operation in Graco Airless Spray Systems
Compatible Machines
The Graco 01/0055-1U/89 Piston 11.580 0.194 Nylon HD is designed for select Graco airless sprayer pump assemblies requiring an 11.580” piston with 0.194 specification and Nylon HD construction for reliable high-pressure performance.
- Graco Ultra Max II Series (specific mid-frame pump configurations)
- Graco Mark Series Airless Sprayers (compatible pump assemblies only)
- Graco GH Hydraulic Airless Systems (matching piston specification required)
- Graco 390 / 395 / 490 / 495 / 595 Professional Sprayer Units
- Graco OEM pump rebuild kits requiring 11.580 x 0.194 Nylon HD pistons
What is the Graco 01/0055-1U/89 Piston 11.580 0.194 Nylon HD?
The Graco 01/0055-1U/89 is a precision-engineered piston component used in professional airless spray pump systems. Manufactured from Nylon HD, it delivers high strength, low friction operation, and long-lasting wear resistance under continuous hydraulic load.
With exact dimensions of 11.580 x 0.194, this piston ensures precise sealing and smooth reciprocating motion inside compatible Graco pump cylinders, maintaining stable pressure output and consistent spray performance in demanding applications.
It is commonly used in pump rebuilds and maintenance operations where OEM-grade fitment and reliable performance are required.
Key Features & Benefits
- Nylon HD construction for durability and wear resistance
- Precision-machined 11.580 x 0.194 dimensions
- Supports stable high-pressure airless spray performance
- Reduces internal wear and improves pump efficiency
- Compatible with select Graco professional spray systems
Applications
Used in industrial painting, protective coatings, commercial construction finishing, and maintenance environments where Graco airless sprayers operate under continuous high-pressure conditions.
Frequently Asked Questions
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