Disc Brake Caliper Piston Seal For Porsche 928 (1987-1991) or 944 (1985-1988) Models.

Precision-engineered piston seal designed for Porsche 928 and 944 disc brake calipers. This OEM-quality component ensures optimal hydraulic pressure retention and prevents fluid leakage, maintaining consistent braking performance. Built to withstand high temperatures and demanding driving conditions, it delivers the reliability your classic Porsche deserves. Direct replacement for factory specifications—install with confidence.