Bedford 10-4190 is Graco 178226 Piston Sea1 aftermarket replacement

Aftermarket Bedford 10‑4190 Piston Seal – Replacement for Graco 178226

The aftermarket Graco 178226 piston seal offered here is manufactured by Bedford Precision Parts Corp., a trusted leader in high-quality aftermarket components. This replacement part is specifically designed as a direct substitute for the OEM Graco 178226 piston seal and is ideal for maintaining or repairing professional-grade airless paint sprayers.

This Bedford 10‑4190 piston seal replacement is engineered to deliver durable performance and a reliable seal under high pressure. It fits a range of Graco airless sprayers and is used within the piston pump assembly to control fluid flow, reduce leakage, and maintain consistent spray patterns.

Compatible with various Graco models, including:

• Graco Ultra 395
• Graco Ultra 495
• Graco ST Pro Series
• Graco Classic Series 390 / 395 / 495

This Graco 178226 aftermarket piston seal is commonly included in repair and maintenance procedures for worn or damaged seals. It plays a vital role in keeping your airless sprayer functioning at peak performance, especially during high-volume commercial painting projects.

Perfect for technicians, painting contractors, and maintenance crews, this piston seal ensures long-lasting efficiency and smooth operation. Whether you're performing a full rebuild or a quick fix, this part belongs in every well-equipped graco gun repair kit.

At eRepairCenter, we carry a full range of paint gun accessories and reliable paint spray gun parts to help you extend the lifespan of your equipment and minimize costly downtime.

Looking for more professional-grade parts like this? Visit eRepairCenter.com — your go-to source for aftermarket Graco components and much more.