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Graco 166026 Replacement Piston Seal

SKU: 6-511
In stock
Replacement for: Graco 166026, Graco 166-026
Piston Seal
$46.76
Ships same day if order placed before 3pm EST

Ships same day if order placed on M-F before 3pm EST

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Free shipping on orders over $20

Questions? Contact our Expert, Garth

Email (914) 241-2211

This piston seal is a direct-fit replacement for Graco part 166026. It installs in the original position with no modification.

Common reasons this piston seal is replaced:

  • Leaking at the seal, gland, or mating face
  • Pressure loss during operation
  • Hardening, cracking, or flattening with age
  • Routine replacement during a pump or gun rebuild

Manufactured to OEM-equivalent dimensions for proper fit and performance. Compatible equipment models are listed in the Compatible Equipment section below, where available.

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