Dolly Kit for GP Kit 28 Packing Assembly 20mm (1 Cylinder) New – OEM Replacement Part
Part Number: 7455
Category: Pressure Washer Parts → Pump Parts → Seal Kits & Packing Assemblies
Type: General Pump KIT 28 Packing Assembly Kit (New Version)
The Dolly Kit for GP Kit 28 Packing Assembly 20mm (1 Cylinder) New (Part #7455) is a genuine OEM replacement packing assembly kit designed to restore sealing performance and maintain reliable operation in compatible General Pump triplex plunger pumps. This kit contains a complete 20mm seal packing assembly for one cylinder, providing a convenient solution for targeted pump maintenance, repairs, and rebuilds.
Key Features & Benefits
- Genuine General Pump OEM replacement kit
- New version KIT 28 packing assembly
- Complete packing assembly for one cylinder
- Designed for 20mm plunger applications
- Helps restore pump sealing performance
- Reduces internal and external leakage
- Maintains operating pressure and flow
- Supports efficient pump operation
- OEM-quality materials and construction
- Ideal for preventative maintenance and repairs
- Direct replacement design
- Helps extend pump service life
Technical Specifications
Part Number: 7455
Manufacturer: General Pump
Manufacturer Model Number: KIT 28 (New Version)
Product Description: Kit Dolly 28 NEW Complete Seal Packing Ø20
Product Type: Packing Assembly Kit
Seal Size: 20mm
Coverage: One Cylinder
Pump Compatibility: Compatible General Pump Triplex Plunger Pumps
OEM Replacement: Yes
Application: Pump Seal and Packing Maintenance
Common Applications
- Pressure washer pumps
- General Pump triplex plunger pumps
- Commercial pressure washing equipment
- Industrial cleaning systems
- Agricultural spraying equipment
- Fleet washing systems
- Water transfer equipment
- Pump maintenance and rebuild services
Performance Benefits
- Restores proper sealing performance
- Helps maintain pump pressure output
- Reduces water bypass and leakage
- Supports efficient pump operation
- Improves reliability and longevity
- Simplifies cylinder-specific repairs
- Maintains consistent cleaning performance
- Extends pump service life
Signs Packing Assemblies May Need Replacement
Replace the packing assembly if you notice:
- Water leaking from the pump manifold
- Reduced operating pressure
- Loss of pump efficiency
- Internal water bypass
- Excessive packing wear
- Visible seal damage
- Inconsistent pressure output
- Increased maintenance requirements
Installation Notes
- Shut down equipment and relieve all system pressure.
- Disconnect power and water supply.
- Remove the pump manifold according to manufacturer procedures.
- Remove worn packing components from the affected cylinder.
- Inspect plungers for scoring, wear, or damage.
- Install the new packing assembly components.
- Reassemble the pump according to General Pump specifications.
- Test operation and verify proper pressure and leak-free performance.
Important: Always consult the General Pump service manual and verify compatibility before installation.
Maintenance Recommendations
- Inspect packings during routine pump maintenance.
- Replace worn packing assemblies promptly.
- Maintain clean water filtration systems.
- Inspect plungers whenever servicing seals.
- Follow manufacturer-recommended maintenance schedules.
- Monitor pump performance regularly for signs of seal wear.
