CAT Pumps 30798 Seal Kit for Model 650 Pumps – OEM Replacement Part

Part Number: 30798
Category: Pressure Washer Pump Parts → Seal Kits → CAT Pumps Repair Parts
Type: CAT Pumps Seal Kit for 650, 651, 660 & 661 Series Pumps

The CAT Pumps 30798 Seal Kit is a genuine OEM replacement repair kit designed for servicing compatible CAT Pumps 650, 651, 660, and 661 Series triplex plunger pumps. This complete seal maintenance kit contains the critical sealing components required to restore pump performance, maintain operating pressure, and prevent internal water leakage during operation.

Key Features & Benefits

• Genuine CAT Pumps OEM Replacement Part
• Complete seal maintenance kit for one pump
• Designed for CAT Pumps 650, 651, 660, and 661 Series pumps
• Restores proper sealing performance
• Helps recover lost pressure and pump efficiency
• Reduces internal water leakage and bypass
• OEM-quality materials for long service life
• Supports preventative maintenance and pump rebuild programs
• Helps reduce downtime and repair costs
• One kit services one complete pump

Technical Specifications

Manufacturer: CAT Pumps

Part Number: 30798

Product Type: Seal Kit

Application: Pump Seal Maintenance & Rebuild Service

OEM Replacement: Yes

Kit Coverage: One Complete Pump

Compatible Pump Models

Compatible with CAT Pumps models including:

• CAT Pumps 650
• CAT Pumps 651
• CAT Pumps 660
• CAT Pumps 661

Always verify pump model compatibility and part number requirements before ordering.

Kit Contents

Each CAT Pumps 30798 Seal Kit includes:

• (3) O-Ring, Plunger Retainer – Part #17399
• (3) Low Pressure Seals with Stainless Steel Spring – Part #44071
• (6) V-Packings – Part #44607

Contains all necessary sealing components required for complete pump seal maintenance.

Typical Applications

• Pressure washer pump rebuilds
• Commercial pressure washer maintenance
• Industrial cleaning equipment repairs
• Vehicle wash systems
• Agricultural cleaning equipment
• Fleet washing operations
• Equipment rental fleet maintenance
• Preventative maintenance programs

Performance Advantages

• Restores proper high-pressure sealing performance
• Helps eliminate pressure loss caused by worn seals
• Improves pump efficiency and cleaning effectiveness
• Reduces internal water bypass and leakage
• Protects plungers, manifolds, and internal pump components
• Stainless steel spring-backed seals provide reliable sealing performance
• Genuine OEM components ensure proper fit and durability
• Ideal for preventative maintenance and professional rebuild procedures
• Helps maximize the lifespan of compatible CAT Pumps 650, 651, 660, and 661 Series pumps