Dolly Kit for CAT 34262 NBR Seal Kit with Spring 6DX Pumps – OEM Replacement Part
Part Number: 7442
Category: Pressure Washer Parts → Pump Parts → Seal Kits
Type: CAT Pumps 34262 NBR Seal Kit with Spring
The Dolly Kit for CAT 34262 NBR Seal Kit with Spring 6DX Pumps (Part #7442) is a genuine OEM replacement seal packing kit designed to restore sealing performance and maintain reliable operation in compatible CAT Pumps 6DX series triplex plunger pumps. This kit includes 14mm NBR seal packing components with spring-loaded sealing elements, helping prevent leaks, maintain operating pressure, and extend pump service life.
Key Features & Benefits
- Genuine CAT Pumps OEM replacement kit
- Designed for compatible 6DX series pumps
- Includes NBR seal packing components
- Spring-loaded seal design for enhanced sealing performance
- 14mm seal size
- Helps restore pump sealing performance
- Reduces internal and external leakage
- Maintains operating pressure and flow
- Nitrile (NBR) material for durability and chemical resistance
- OEM-quality materials and construction
- Ideal for preventative maintenance and rebuilds
- Direct replacement design
Technical Specifications
Part Number: 7442
Manufacturer: CAT Pumps
Manufacturer Model Number: 34262
Product Description: Kit Dolly C17 Seal Packing Ø14
Product Type: NBR Seal Kit with Spring
Seal Size: 14mm
Seal Material: NBR (Nitrile Buna-N)
Pump Compatibility: CAT Pumps 6DX Series Pumps
OEM Replacement: Yes
Application: Pump Seal Maintenance and Repair
Common Applications
- CAT Pumps 6DX series pumps
- Pressure washer 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 pump reliability and longevity
- Spring-loaded design helps maintain seal contact
- 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
- Damaged springs or sealing components
- Inconsistent pressure output
- Increased maintenance requirements
Installation Notes
- Shut down equipment and relieve all system pressure.
- Disconnect power and water supply.
- Disassemble the pump according to CAT Pumps service procedures.
- Remove worn seal components and inspect plungers for wear.
- Clean seal cavities thoroughly.
- Install new OEM NBR seals and spring components from the kit.
- Reassemble the pump according to manufacturer specifications.
- Test operation and verify proper pressure and leak-free performance.
Important: Always consult the CAT Pumps service manual and verify compatibility with your specific 6DX pump model 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.
