Aftermarket GRACO® 166378 Rubber O-Ring Seals at both ends of the cylinder (Non-OEM)
Aftermarket GRACO® 166378 Rubber O-Ring Seals at both ends of the cylinder (Non-OEM)
Manufacturer: Total Finishing Supplies
Part Number: 499134
Comparable OEM Part Number: 166378
Description: Total Finishing's part # 0-717 is a direct-fit replacement for the Graco 166378 o-ring used on Graco airless spray equipment. It maintains a fluid-tight seal at the installed location under operating pressure.
Common reasons this o-ring is replaced:
- Fluid leaking at the seal during operation
- Pressure loss or pump cavitation from a bypass at the worn seal
- Visible cracking, swelling, or deformation of the o-ring
- Scheduled seal replacement during pump or filter maintenance
Manufactured to OEM-equivalent dimensions for proper fit and performance. Compatible Graco equipment models are listed in the Compatible Equipment section below, where available.
Comparable to GRACO® 166-378
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