Dolly Kit for Comet 0202.0153.00 Pistons Set of 3 ZW & LW Pumps – OEM Replacement Part
Part Number: 7451
Category: Pressure Washer Parts → Pump Parts → Ceramic Pistons & Plungers
Type: Comet Pumps Ceramic Piston Set
The Dolly Kit for Comet 0202.0153.00 Pistons Set of 3 ZW & LW Pumps (Part #7451) is a genuine OEM replacement ceramic plunger kit designed to restore performance and reliability in compatible Comet ZW and LW series triplex plunger pumps. This kit includes three precision ceramic plungers measuring 15mm in diameter, providing a complete replacement solution for servicing worn, damaged, or deteriorated piston assemblies.
Key Features & Benefits
- Genuine Comet Pumps OEM replacement kit
- Includes three ceramic plungers
- Designed for Comet ZW and LW series pumps
- Precision-manufactured ceramic construction
- 15mm plunger diameter
- Excellent wear and abrasion resistance
- Helps restore pump performance
- Maintains consistent operating pressure
- Reduces premature seal wear
- OEM-quality fit and performance
- Ideal for pump rebuilds and maintenance
- Long service life and dependable operation
Technical Specifications
Part Number: 7451
Manufacturer: Comet Pumps
Manufacturer Model Number: 0202.0020 (Single Plunger Reference)
Product Description: Set Dolly Com6 Ceramic Plungers Ø15 (3 pc)
Product Type: Ceramic Piston / Plunger Kit
Plunger Diameter: 15mm
Quantity: 3 Plungers
Material: Ceramic
Pump Compatibility:
- Comet ZW Series Pumps
- Comet LW Series Pumps
OEM Replacement: Yes
Application: Pump Rebuild and Maintenance
Common Applications
- Comet ZW pressure washer pumps
- Comet LW pressure washer pumps
- Commercial pressure washing equipment
- Industrial cleaning systems
- Agricultural spraying equipment
- Fleet washing systems
- Water transfer equipment
- Pump rebuild and repair services
Performance Benefits
- Restores proper pump operation
- Maintains consistent pressure output
- Reduces seal wear and leakage
- Improves pump efficiency
- Provides superior wear resistance
- Supports reliable long-term operation
- Helps extend pump service life
- Maintains consistent cleaning performance
Signs Ceramic Pistons May Need Replacement
Replace ceramic plungers if you notice:
- Cracked or chipped plungers
- Excessive seal wear
- Reduced operating pressure
- Water leakage around seals
- Visible scoring or surface damage
- Pump performance loss
- Increased maintenance requirements
- Damage discovered during pump servicing
Installation Notes
- Shut down equipment and relieve all system pressure.
- Disconnect power and water supply.
- Remove the pump manifold according to manufacturer procedures.
- Inspect existing plungers and seals for wear or damage.
- Remove worn ceramic plungers carefully.
- Install replacement plungers according to OEM specifications.
- Inspect and replace seals if necessary.
- Reassemble the pump and test operation.
Important: Always verify compatibility with your specific Comet ZW or LW pump model and inspect seals and packing assemblies during plunger replacement.
Maintenance Recommendations
- Inspect plungers during routine pump maintenance.
- Replace damaged plungers promptly.
- Maintain clean inlet water filtration.
- Inspect seals whenever plungers are serviced.
- Follow manufacturer-recommended maintenance intervals.
- Monitor pump performance regularly for early signs of wear.
