Graco 18C898 Rod, Piston Extension, Hi-Boy
Replacement piston extension designed to maintain smooth pressure transfer within Graco Hi-Boy airless sprayer pump assemblies, supporting consistent spray output under high-pressure operation.
- OEM part: Graco 18C898 rod/piston extension
- Used in fluid section pump assemblies
- Maintains piston alignment and motion transfer
- Compatible with select Graco Hi-Boy sprayers
- Supports stable, high-pressure spray performance
Technical Overview & Application Details
Compatible Machines
| Equipment Type | Compatibility Details |
|---|---|
| Graco Hi-Boy Airless Sprayers | Compatible with select Graco Hi-Boy configurations including professional-grade airless paint sprayers used in residential, commercial, and industrial applications. |
| Graco Small to Mid-Range Sprayers | May fit certain models in the 390 / 395 / 490 / 495 / 595 series depending on pump and fluid section configuration. |
| OEM Replacement Assemblies | Designed for use in compatible Graco piston pump systems requiring rod and piston extension replacement for fluid section rebuilds. |
What is Graco 18C898 Rod, Piston Extension, Hi-Boy?
The Graco 18C898 Rod, Piston Extension, Hi-Boy is a precision-engineered internal pump component used in airless spray systems. It serves as a critical connection element within the fluid section, transferring mechanical motion from the drive assembly to the piston, ensuring consistent pressure and smooth paint delivery during spraying operations.
Built to OEM specifications, this piston extension is designed for durability under high-pressure conditions commonly found in professional painting equipment. It helps maintain optimal pump performance, reduces wear on internal components, and supports consistent spray patterns.
Key Function
- Transfers motion within the pump fluid section for stable pressure output
- Supports piston alignment for efficient paint delivery
- Helps maintain smooth and consistent spray performance
- Reduces premature wear on surrounding pump components
Features & Benefits
- OEM-grade replacement part for reliable fit and performance
- Engineered for high-pressure airless spray applications
- Durable construction for extended service life
- Designed to maintain efficiency in demanding jobsite conditions
Frequently Asked Questions
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