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Graco 102532 Straight Spring Pin

The Graco 102532 Straight Spring Pin is a genuine stainless-steel OEM pin designed for securing internal pump components in heavy-duty Graco sprayers.

  • OEM Part: 102532
  • Material: Stainless Steel (SST)
  • Fits: Bulldog & King Series Pumps
  • Purpose: Provides secure, vibration-resistant alignment

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Key Details & Compatibility (for technicians & buyers)

Compatible Machines

This Graco 102532 Straight Spring Pin (sst) is used in the pump assemblies of the following heavy-duty Graco units:

  • Graco Bulldog 949444 (Series A)
  • Graco Bulldog Adjust-a-Stroke 954180 (Series A)
  • Graco King 220648 (Series B)

Product Overview

The Graco 102532 Straight Spring Pin is an OEM stainless-steel (sst) retention pin used to secure mating pump components (e.g., linkage/rod interfaces) within select Bulldog and King pump assemblies. Its straight spring design provides elastic interference for a reliable, vibration-resistant hold.

Specifications

OEM Part Number 102532
Part Name Pin, Spring, Straight (sst)
Material Stainless steel (corrosion-resistant)
Function Retains/locates pump components; resists vibration loosening
Assembly Location Displacement/pump assembly on applicable Bulldog / King units
Compatibility See Compatible Machines list above
Package Contents 1 × Straight Spring Pin
Genuine OEM Yes — Graco original part

Why Choose This Part

  • OEM fit & performance for long service life.
  • Stainless-steel build for corrosion resistance in demanding jobsites.
  • Vibration-resistant retention helps maintain pump alignment and reliability.

Installation & Notes

  • Follow the service manual for your exact pump model/series.
  • Inspect mating holes; replace worn components to ensure proper interference fit.
  • Do not substitute diameter/length; spring pins rely on precise sizing for retention.

Frequently Asked Questions

It provides an elastic interference fit that locks aligned components (e.g., rod/linkage interfaces) so they stay secure under vibration and pressure cycling in Bulldog and King pump assemblies.

Use only the specified size/material per your model’s parts list. Generic pins with different diameter/length or hardness can loosen or damage components.

  • Graco Bulldog 949444 (Series A)
  • Graco Bulldog Adjust-a-Stroke 954180 (Series A)
  • Graco King 220648 (Series B)
For other series, verify against the specific parts manual.

Match your machine’s exact model/series and consult the latest Graco parts manual. If your serial range or series changed, the pin spec may differ.

Look for looseness at the joint, fretting around the hole, elongation/ovalization, or visible wear/corrosion on the pin. Replace during pump rebuilds to maintain factory tolerances.

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