Copper Washer, 15mm ID, 22mm OD

Copper Washer, 15mm ID, 22mm OD The 4LifetimeLines® Copper Crush Washer (15 mm inner diameter, 22 mm outer diameter) provides a precision-engineered seal for banjo bolts, caliper fittings, and hydraulic connections. Crafted from high-purity copper, this washer deforms under torque to fill microscopic surface imperfections, creating a permanent, leak-proof joint essential for safe and consistent system performance. Key Benefits Precision Fit: 15 mm ID ensures a snug fit on banjo bolt shanks; 22 mm OD covers the mating surface completely. Corrosion Resistance: Premium copper alloy resists brake-fluid vapors, moisture, and road salt without pitting or degradation. Heat Dissipation: Excellent thermal conductivity maintains stable hydraulic pressure by carrying heat away from fittings. One-Time Crush Seal: Washer compresses under the specified torque to eliminate micro-gaps—no additional sealants required. Service-Ready: Replace the washer at every service interval to guarantee ongoing, lea