Overview
The Parker RK2AHL0251 is a precision rod seal kit engineered for Parker Series 2A, 2H, 3L, and VH double-acting tie-rod cylinders. This 2-1/2″ bunan seal kit provides complete gland sealing in hydraulic and pneumatic applications, delivering reliable leak prevention and extended equipment life. Manufactured by Parker Hannifin, a global leader in fluid power, the RK2AHL0251 meets OEM specifications for drop-in replacement service.
Key Features
- Complete rod seal assembly—includes wiper, backup ring, U-seal, and O-ring
- Buna-N (nitrile) primary seal material for broad fluid compatibility
- Designed for 2-1/2″ rod diameter applications
- Direct fit for Parker Series 2A, 2H, 3L, and VH cylinders
- Class 1 seal specification for standard industrial hydraulics
- Made in the USA by Parker Hannifin
Technical Specifications
- Rod Diameter: 2-1/2 inch (2.500″)
- Primary Seal Material: Buna-N (Nitrile)
- Seal Class: Class 1
- Kit Contents: Wiper (XNBR), Backup Ring (URE), U-seal (NBR), O-ring (NBR)
- Cylinder Series: 2A, 2H, 3L, VH
- Seal Type: Rod Seal Kit
- Manufacturer: Parker Hannifin (Cylinder Division)
- Country of Origin: USA
- Condition: New in Box
Typical Applications
The Parker RK2AHL0251 rod seal kit is used in scheduled maintenance and emergency repair of hydraulic cylinders across industrial machinery, mobile equipment, process control systems, and agricultural applications. Maintenance technicians rely on this kit to restore gland integrity and prevent costly downtime from fluid leakage. The kit is ideal for manufacturing plants, construction equipment, mining operations, and any facility operating Parker tie-rod cylinders with 2-1/2″ rods.
Compatibility & Replacements
Compatible With
- Parker Series 2A hydraulic cylinders
- Parker Series 2H hydraulic cylinders
- Parker Series 3L hydraulic cylinders
- Parker Series VH hydraulic cylinders
- Double-acting tie-rod cylinder glands
- Hydraulic and pneumatic fluid systems
Replaces / Drop-In Replacement For
- OEM Parker RK2AHL0251 gland seal assemblies
- Original Parker cylinder service kits (2-1/2″ rod)
Works With
- Standard hydraulic fluids (ISO 46, ISO 68 mineral oils)
- Biodegradable hydraulic fluids (verify material compatibility)
- Pneumatic systems operating at standard industrial pressures
- Parker cylinder gland design specifications (threaded and bolt-on glands)
