31983 Hot Seal Kit, Replacement for Cat Pumps

Part Number: 31983
Category: Pressure Washer → Pump Repair Parts
Type: Hot Seal Kit – Genuine OEM Replacement for CAT Pumps 3CP Series

The 31983 Hot Seal Kit is a genuine OEM CAT Pumps high-temperature seal kit specifically designed for CAT Pumps 3CP Series plunger pumps. This kit includes special high-temperature elastomers required for pumps operating in elevated temperature applications, ensuring proper sealing, reliability, and long service life.

Compatibility

Fits the following CAT Pumps models:

• 3CP1120

• 3CP1130

• 3CP1140

• 3CP1120G

Product Details

Brand: CAT Pumps
OEM: Yes – Genuine CAT Pumps Part
Application: High-Temperature Pump Seal Replacement
Pump Type: 3CP Series Plunger Pumps
Weight: 0.06 lbs

Kit Contents

• 90D Washer Seal

• Low-Pressure Seal with Stainless Steel Spring

• 70D Seal Case O-Ring

• High-Pressure Seal

Key Features

• Genuine CAT Pumps OEM hot seal kit

• Designed specifically for 3CP Series plunger pumps

• Special rubber compounds for high-temperature applications

• Maintains proper sealing and pump efficiency under heat stress

• Prevents premature seal failure in hot-water systems

• Exact OEM replacement — no modifications required