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Graco 159659 Stem

The Graco 159659 Stem is a genuine OEM valve component that ensures precise fluid control and smooth operation in Graco pumps and spray equipment.

  • Fits Graco industrial displacement pumps and airless spray pump valves
  • Precision-machined metal for durability and wear resistance
  • Maintains consistent fluid flow and valve performance
  • Easy replacement during maintenance or rebuilds

$395.1
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Graco 159659 Stem – Compatibility and Specifications

Compatible Assemblies

The Graco 159659 Stem is used in various Graco valve and pump assemblies. Verify with your machine’s parts diagram before ordering to ensure correct fit.

  • Graco Industrial Displacement Pumps (Valve Stem / Packing Area)
  • Graco Airless Spray Pump Valves
  • Other Graco fluid-handling assemblies requiring a replacement stem

Product Description

The Graco 159659 Stem is a genuine OEM valve component designed to control fluid flow in Graco pumps and spray equipment. It provides precise movement, durability, and ensures smooth operation of the valve assembly.

Key Features

Part Number 159659
Component Type Valve Stem
Function Controls movement in the valve assembly to regulate fluid flow
Material Precision-machined metal for durability and wear resistance
Use Fits various Graco pump and valve assemblies requiring a stem replacement

Benefits

  • Ensures smooth and precise valve operation
  • Durable OEM part for long-term reliability
  • Maintains consistent fluid flow and pump performance
  • Easy replacement during maintenance or rebuilds

When to Replace

Replace the stem if:

  • Valve operation becomes stiff or inconsistent
  • Visible wear, corrosion, or bending occurs
  • Related seals, packing, or O-rings are damaged

Frequently Asked Questions

It is a valve stem that controls fluid flow in Graco pump and spray equipment, ensuring smooth and precise operation of the valve assembly.

It is used in Graco industrial displacement pumps, airless spray pump valves, and other fluid-handling assemblies that require a valve stem. Verify your machine’s parts diagram to confirm compatibility.

Remove the old stem, inspect and lubricate the valve assembly, then install the new 159659 stem. Check alignment and torque to prevent leaks or improper operation.

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