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Graco 103147 Pipe Plug

The Graco 103147 Pipe Plug is designed to seal unused threaded ports in Graco sprayers and pumps, preventing fluid or air leaks.

  • Genuine Graco replacement part.
  • Used for closing open NPT ports in manifolds or pump heads.
  • Ensures leak-free system performance and easier maintenance.

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Overview & Key Details

Compatible Machines

Model-specific compatibility for Graco 103147 Pipe Plug is not confirmed in an official fit list. Please match by the port/thread specification shown in your sprayer’s parts manual.

  • Commonly used to cap unused fluid/air ports on various Graco rigs and sprayers that share the same plug thread.
  • Verify in your machine’s exploded-view parts list before ordering.

What is it?

The Graco 103147 Pipe Plug is a threaded plug used to seal an unused, tapped port (typically NPT) in a pump, manifold, or air/fluid line on compatible Graco equipment. It helps prevent leaks and contamination when a port is not in service.

Key Features

  • Genuine Graco replacement part (103147).
  • Seals unused ports to maintain system integrity and reduce leak paths.
  • Suitable for fluid or air circuits when the correct thread/port spec matches.
  • Simple install/removal for service and maintenance.

Specifications

Part Number 103147
Part Type Pipe Plug (threaded port plug)
Typical Use To cap/close an unused threaded port on Graco sprayers, pumps, or manifolds.
Thread / Size Match to your machine’s parts list; verify NPT size before purchase.
Installation Note Use appropriate thread sealant/tape as specified by Graco service guidance.

Fit Guidance

  • Check your exact sprayer model’s exploded diagram and confirm the plug callout is 103147.
  • Confirm the port location (manifold, pump head, or line) and thread size matches this Pipe Plug.
  • If uncertain, compare against an existing plug removed from the same port or consult a Graco service manual.

Frequently Asked Questions

It may—this is a general Pipe Plug. Confirm by checking your sprayer’s parts list or manual for the exact callout number and thread size at the relevant port location.

Thread size can vary by application. Always match the specification in your exact model’s parts breakdown before purchasing and installing.

In most cases, yes. Follow Graco service guidance for sealant type and application to ensure a reliable seal and ease of future maintenance.

Only if the substitute exactly matches the required thread standard, size, and sealing type. Using non-matching plugs can cause leaks or damage. When in doubt, use the genuine Graco part.

Common locations include pump heads, manifolds, or line ports that are not in use on compatible Graco sprayers and rigs. Check your exploded diagram for the exact position.

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