30610 Seal Kit – Fits Cat Pumps 51, 55 & 550 Series

Part Number: 30610
Category: Pressure Washer → Pump Repair Parts
Type: Seal Kit – Genuine OEM Replacement for CAT Pumps 51, 55 & 550 Series

The 30610 Seal Kit is a genuine OEM CAT Pumps seal kit engineered to handle the increasing pressures and temperatures found in CAT Pumps 51, 55, and 550 Series (7 Frame) plunger pumps. These OEM components are manufactured with high-quality materials to restore proper sealing, reduce downtime, and return your equipment to peak operating condition.

Compatibility

Fits CAT Pumps 7 Frame Plunger Pumps:

• 50 Series

• 51 Series

• 550 Series

Product Details

• Brand: CAT Pumps

• OEM: Yes – Genuine CAT Pumps Part

• Materials:

  • O-Rings: Buna-N (NBR)

  • Packing: PTFE

• Application: Pump Seal Replacement / Rebuild Kit

Kit Contents

• (3) Plunger Retainer O-Ring – Size 97 (17399)

• (3) Long Tab Wick – Size 101 (43313)

• (3) Low-Pressure Seal with Stainless Spring – Size 106 (43316)

• (3) Seal Case O-Ring – Size 121 (20285)

• (6) V-Packing – Size 127 (43319)

Key Features

• Genuine CAT Pumps OEM seal kit

• Designed for 51, 55 & 550 Series (7 Frame) pumps

• Buna-N O-rings and PTFE packing for superior durability

• Handles high pressure and elevated temperatures

• Restores proper sealing and pump efficiency

• Exact OEM replacement—no modifications required

Note: Image shown may be for illustrative purposes only. Always confirm part number compatibility with your pump manual before ordering.