Graco 866241 Suction Nut

About the Graco 866241 Suction Nut

The Graco 866241 Suction Nut is a factory‑specified replacement part designed to secure the suction/ intake components in piston pump assemblies for airless sprayers and fluid systems. It ensures proper sealing and alignment of the suction valve elements for reliable fluid pickup. :contentReference[oaicite:1]{index=1}

Compatible Machines

This suction nut is referenced as a service part in the internal parts breakdowns of various Graco airless paint sprayers and pump units that use a suction valve/nut assembly in the inlet. It typically fits the following machine types:

• Graco Heavy‑Duty Airless Sprayers with piston pump inlet assemblies that list 866241 as the suction nut in their parts legends. :contentReference[oaicite:2]{index=2}
• Graco Electric & Gas‑Powered Sprayer Pumps that include the suction valve/nut assembly where 866241 is shown in parts diagrams. :contentReference[oaicite:3]{index=3}
• Graco Industrial Fluid Transfer Pumps using a similar piston pump design with suction valve components. :contentReference[oaicite:4]{index=4}

Specifications & Details

Frequently Asked Questions