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Graco 866065 Control Valve Seat

Graco 866065 Control Valve Seat is an OEM sealing component that ensures proper pressure control and leak-free operation within the control valve assembly.

  • Part Number: 866065
  • Part Type: Control Valve Seat
  • Function: Sealing & pressure regulation
  • Fits: Select Graco Ultra Max II sprayers

Retail Price: $94.75
You save: $7.86 (8.30%)
Our Price: $86.89
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Graco 866065 Control Valve Seat — OEM Fluid System Component

Compatible Machines

  • Graco Ultra Max II 390
  • Graco Ultra Max II 395
  • Graco Ultra Max II 495
  • Graco Ultra Max II 595

The Graco 866065 Control Valve Seat is a genuine OEM replacement part designed to create a proper seal within the control valve assembly. It plays a key role in maintaining consistent pressure, preventing leaks, and ensuring smooth fluid regulation in compatible Graco Ultra Max II airless sprayers.

Part Specifications

Specification Details
Part Number 866065
Description CONTROL, VALVE SEAT
Function Provides sealing surface for control valve operation
OEM Status Genuine Graco Replacement Part

Installation & Usage Notes

  • Installed inside the control valve assembly as a sealing surface.
  • Commonly replaced when experiencing pressure loss or internal leakage.
  • Designed to meet factory tolerances for proper valve sealing.
  • Always inspect mating components when replacing the valve seat.

Frequently Asked Questions

It provides a sealing surface inside the control valve, allowing proper pressure regulation and preventing fluid bypass.

Replace the valve seat if you notice pressure drop, internal leaking, or inconsistent spray output.

Yes, Graco 866065 is a genuine OEM replacement part designed to match factory specifications.

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