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Graco 176637 Replacement Ball Stop Pin

SKU: 17-3834
In stock
Replacement for: Graco 176637, Graco 176-637
Pin, Ball Stop
$44.04
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Questions? Contact our Expert, Garth

Email (914) 241-2211

The Bedford 17-3834 is a compatible replacement for Graco parts 176637 and 176-637, a ball stop pin for Graco spray equipment. This ball is the moving element of a check valve in the pump's fluid section: on each stroke it lifts off its seat to let coating through, then reseats to hold pressure. Compatible with Graco Viscount I 1000.

Common reasons for replacement:

  • Replaced together with its seat during a fluid-section rebuild
  • Sprayer loses prime or pressure as the ball wears out-of-round
  • Fluid backflow from a ball that no longer seats cleanly
  • Pitting or scoring from abrasive coatings

Manufactured to OEM-equivalent dimensions for proper fit and performance.

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