Part Number: 7470
Category: Pressure Washer Parts Pump Parts Seal Kits
Type: General Pump KIT 88 Packing Seal Kit

The Dolly Kit for GP Kit 88 Packing Kit 15mm (Part #7470) is a genuine OEM replacement seal packing kit designed to restore sealing performance and maintain reliable operation in compatible General Pump triplex plunger pumps. This kit includes 15mm seal packings (3×3 pieces) required for pump maintenance, repairs, and rebuilds, helping prevent leaks, maintain operating pressure, and extend pump service life.

Key Features & Benefits

• Genuine General Pump OEM replacement kit
• Includes 15mm seal packings
• Kit contains seal packing components (3×3 pieces)
• 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 rebuilds
• Direct replacement design
• Helps extend pump service life

Technical Specifications

Part Number: 7470

Manufacturer: General Pump

Manufacturer Model Number: KIT 88

Product Description: Kit Dolly 88 Seal Packing 15 (3×3 pc)

Product Type: Packing Seal Kit

Seal Size: 15mm

Kit Contents: Seal Packing Components (3×3 Pieces)

Pump Compatibility: Compatible General Pump Triplex Plunger Pumps

OEM Replacement: Yes

Application: Pump Seal Maintenance and Repair

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 rebuild and maintenance 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
• Helps prevent premature pump wear
• Maintains consistent cleaning performance
• Extends pump service life

Signs Pump Seals May Need Replacement

Replace the seal packings if you notice:

• Water leaking from the pump
• Reduced operating pressure
• Loss of pump efficiency
• Internal water bypass
• Excessive seal wear
• Visible seal damage
• Inconsistent pressure output
• Increased maintenance requirements

Installation Notes

1. Shut down equipment and relieve all system pressure.
2. Disconnect power and water supply.
3. Disassemble the pump according to manufacturer procedures.
4. Remove worn seal packings and inspect plungers for wear.
5. Clean seal cavities and related components thoroughly.
6. Install new OEM seal packings from the kit.
7. Reassemble the pump according to manufacturer specifications.
8. Test operation and verify leak-free performance.

Important: Always consult the General Pump service manual and verify compatibility before installation.

Maintenance Recommendations

• Inspect seals during routine pump maintenance.
• Replace worn seal packings promptly.
• Maintain clean water filtration systems.
• Inspect plungers for scoring or wear during service.
• Follow manufacturer-recommended maintenance intervals.
• Monitor pump performance regularly for early signs of seal wear.