33623 Hot Water Seal Kit (HT) – Fits Cat Pumps 313, 343, 353 & 5PF Series

Part Number: 33623
Category: Pressure Washer → Pump Repair Parts
Type: Hot Water Seal Kit (HT) – High-Temperature Replacement Seals for CAT Pumps 5-Frame & 5PF Series

The 33623 Hot Water Seal Kit (HT) is a genuine CAT Pumps high-temperature seal kit designed for 5-frame CAT Pumps plunger pumps operating in hot-water and high-temperature applications. When pressure loss occurs, worn seals are often the cause—especially after extended service intervals.

⚠️ One (1) seal kit is required per pump.

Compatibility

Fits the following CAT Pumps models:

• 311

• 311C

• 317

• 341

• 341C

• 347

• 351

• 353

• 357

• 5PF Series

Product Details

Brand: CAT Pumps
OEM Reference: CAT Pumps Item #33623
Application: Hot Water / High-Temperature Pump Seal Replacement
Pump Frame: 5-Frame Plunger Pumps
Seal Material: High-Temperature EPDM Alternative

Kit Contents

• Complete set of high-temperature rubber seals

• Includes all seals required for one full pump replacement

(Refer to the Manuals tab for detailed part breakdowns and component specifications.)

Key Features

• Designed for hot-water and high-temperature applications

• High-temperature EPDM alternative seal material

• Restores pressure and sealing efficiency

• Helps prevent downtime and premature pump failure

• One complete kit services one pump

• Direct replacement kit — no modifications required