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Graco 25D146 PTFE Throat Repair Kit

Graco 25D146 Throat PTFE Repair Kit is designed to rebuild the throat packing section of 36cc lower pumps and restore proper sealing.

  • OEM PTFE throat packing kit
  • For Graco 36cc lower fluid sections
  • Improves seal and pressure stability
  • Ideal for preventive pump maintenance

$188
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Compatible Machines

  • Graco Xtreme™ Pumps with 36cc Lower Sections
  • Graco XP Series Proportioners using 36cc fluid sections
  • Graco industrial airless sprayers configured with 36cc lowers
  • Other Graco systems that specify 36cc PTFE throat packing kits

Graco 25D146 Kit, Repair, Throat, PTFE (36cc)

The Graco 25D146 Kit, Repair, Throat, PTFE (36cc) is a genuine OEM throat packing repair kit designed for Graco 36cc lower pump fluid sections. It replaces worn throat packings with high-performance PTFE components to restore sealing, maintain pressure control, and reduce material leakage during operation.

Key Features

  • Part Type: Throat packing repair kit
  • Material: PTFE packings for chemical and wear resistance
  • Application: 36cc lower pump fluid sections
  • Function: Restores upper seal integrity and reduces leakage
  • OEM: Genuine Graco replacement kit

Typical Use Cases

Maintenance Task Scheduled lower pump rebuild
Problem Solved Fluid leakage from throat area
When to Replace Pressure drop, visible wear, or packing damage
Installation Area Throat packing section of 36cc lower

What the Kit Supports

This kit services the throat packing stack in compatible 36cc Graco lowers. Replacing throat packings helps maintain proper rod sealing and extends pump service life when used as part of a full preventive maintenance schedule.

Frequently Asked Questions

It replaces the upper throat packings in the lower pump, which seal around the displacement rod and prevent fluid leakage.

No. This kit services the throat packings only. Piston packing kits are separate and service the piston seal area.

PTFE offers strong chemical resistance and low friction, making it suitable for demanding coating and fluid handling applications.

Check your pump lower displacement (36cc) and parts manual. Match the repair kit number to your exact lower model before ordering.

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