Graco 15D661 Fluid Insert Machined

Graco 15D661 Fluid Insert Machined – In‑Depth Overview

Compatible Equipment

• Graco pressure‑feed and siphon‑feed spray guns (as listed in the Graco parts manual) 

Product Description

The Graco 15D661 Fluid Insert (Machined) is a precision-machined insert used in the fluid housing of Graco spray guns. It helps maintain a smooth and reliable fluid path under high pressure, ensuring consistent flow and proper sealing in demanding applications.

Key Features & Specifications

Importance & Performance Benefits

• Provides a stable flow path, which helps in maintaining consistent spray performance.
• Precision machining ensures tight tolerances, improving sealing and reducing leaks.
• Helps extend the life of fluid‑path components by reducing wear inside the gun housing.

Maintenance & Replacement Tips

• Inspect the insert during routine gun maintenance or whenever you disassemble the fluid housing.
• If the gun leaks or performs inconsistently, consider replacing the insert as part of a fluid‑path rebuild.
• Use only genuine Graco 15D661 parts for replacements to ensure dimensional accuracy and compatibility.

Frequently Asked Questions