Comet 5019.0064.00 Piston Seal Kit – 15mm ZW Series Pumps – OEM Replacement Part

Part Number: 5019.0064.00
Category: Pressure Washer Pump Parts → Piston Seal Kits → Comet Pump Repair Parts
Type: Comet Piston Seal Kit – 15mm ZW Series Pumps

The Comet 5019.0064.00 Piston Seal Kit is a genuine OEM replacement repair kit designed for servicing compatible Comet ZW Series pressure washer pumps equipped with 15mm ceramic plungers. This kit contains the piston sealing components required to maintain proper separation between the water and oil sides of the pump, helping restore performance, prevent leakage, and extend pump service life.

Key Features & Benefits

• Genuine Comet OEM Replacement Part
• Designed for compatible ZW Series pumps
• Fits pumps equipped with 15mm plungers
• Replaces worn piston seals
• Helps prevent water and oil contamination
• Restores proper sealing performance
• Supports pump rebuild and overhaul procedures
• OEM-quality fit and reliability
• Helps extend pump service life
• Ideal for preventative maintenance and repairs

Technical Specifications

Manufacturer: Comet

Part Number: 5019.0064.00

Product Type: Piston Seal Kit

Plunger Size Compatibility: 15mm

Pump Series Compatibility: ZW Series Pumps

Application: Piston Seal Replacement & Pump Rebuild Service

OEM Replacement: Yes

Compatible Applications

• Comet ZW Series pressure washer pumps
• Pump rebuilds and overhauls
• Preventative maintenance programs
• Commercial pressure washer repairs
• Contractor equipment servicing
• Equipment rental fleet maintenance
• Industrial cleaning equipment repairs
• Pump performance restoration

Typical Maintenance Indicators

Replace piston seals if you notice:

• Water leaking into the crankcase oil
• Milky or contaminated pump oil
• Reduced operating pressure
• Water leakage around plungers
• Loss of pump efficiency
• Excessive seal wear during inspection
• Scheduled rebuild intervals

Performance Advantages

• Restores proper piston sealing performance
• Helps prevent water contamination of crankcase oil
• Maintains proper lubrication and pump efficiency
• Protects bearings, crankshaft assemblies, and internal components
• Helps reduce downtime caused by seal failure
• Supports consistent pressure output and cleaning performance
• Genuine OEM components ensure proper fit and long-term reliability
• Ideal for preventative maintenance and professional pump rebuilds
• Helps maximize the lifespan of compatible Comet ZW Series pressure washer pumps

Maintenance Recommendations

• Inspect piston seals during routine pump servicing.
• Replace piston seals whenever water contamination is found in the pump oil.
• Inspect ceramic plungers for scoring, cracks, or wear during seal replacement.
• Replace water seals and oil seals when performing major pump rebuilds.
• Use manufacturer-recommended pump oil after service.
• Verify compatibility with your specific Comet ZW Series pump model before ordering.