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Graco 170303 Nut Cap

$35.80
In Stock
Part #: 170303

The Graco 170303 Nut Cap is a genuine OEM fastener designed for sealing and securing components in Graco regulator and manifold assemblies. Ideal for maintaining proper pressure and preventing leaks.

  • OEM replacement part
  • Used in regulators & mix manifolds
  • Supports stable pressure sealing
  • Durable construction for long service life
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Graco 170303 Nut Cap – Compatibility & Specifications

Compatible Machines

The following Graco equipment uses the Graco 170303 Nut Cap based on official assembly and regulator diagrams:

  • Graco Fluid Regulator Assemblies (various models)
  • Graco Mix Manifold Systems
  • Graco Industrial Coating & Dispensing Units using the same regulator assembly
  • Graco Adhesive, Sealant & Polyurethane Dispensing Machines (models that specify 170303 in their parts list)

Product Overview

The Graco 170303 Nut Cap is a genuine OEM fastener designed for sealing and securing components within Graco fluid-handling and regulation systems. It helps maintain pressure integrity, ensures proper assembly alignment, and prevents leaks within critical spray and dispensing equipment.

Key Features

  • Durable OEM-grade construction for long-lasting reliability
  • Used in fluid regulators, manifolds, and mixing assemblies
  • Ensures correct sealing and maintaining safe operating pressure
  • Direct replacement for worn or damaged nut caps

Technical Details

Part Number 170303
Brand Graco
Part Type Nut Cap
Usage Fluid regulators, manifolds, adhesive & coating systems
Installation Requires correct torque & sealing surface alignment

Frequently Asked Questions

It secures and seals internal regulator and manifold components, helping maintain stable pressure and preventing fluid leaks.

Check your equipment’s parts manual or assembly diagram. If your model lists part number 170303 in the regulator or manifold assembly, it is compatible.

Yes, it is an official OEM part manufactured by Graco for optimal fit and performance.

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