33628 Seal Kit – Fits Cat Pumps 5CP Series

Part Number: 33628
Category: Pressure Washer → Pump Repair Parts
Type: Seal Kit – Genuine OEM Replacement for CAT Pumps 5CP Series

The 33628 Seal Kit is a genuine OEM CAT Pumps seal kit designed to service CAT Pumps 5CP Series plunger pumps. Regular seal replacement is essential to maintain safe operation, consistent pressure, and long-term pump efficiency. Using OEM seals ensures proper fitment, correct materials, and dependable performance in demanding pressure washer applications.

Compatibility

Fits the following CAT Pumps models:

• 5CP2120W

• 5CP2120B

• 5CP2140WCS

• 5CP2140B

• 5CP2150W

• 5CP2150B

Product Details

Brand: CAT Pumps
OEM: Yes – Genuine CAT Pumps Part
Application: Pump Seal Replacement / Preventive Maintenance
Pump Series: 5CP
Weight: 0.06 lbs

Seal Kit Includes

• Washer Seal

• Low-Pressure Seal with Stainless Steel Spring (LPS w/ S-Spg)

• Seal Case O-Ring

• High-Pressure Seal with Spring (HPS w/ S)

Key Features

• Genuine CAT Pumps OEM seal kit

• Designed specifically for 5CP Series plunger pumps

• Maintains proper sealing and safe pump operation

• Helps prevent leaks, pressure loss, and premature wear

• Convenient all-in-one kit saves time and money

• Exact OEM replacement — no modifications required