Copper Washer, 8mm ID, 13mm OD

Copper Crush Washer – 8 mm ID × 13 mm OD The 4LifetimeLines® Copper Crush Washer (8 mm ID × 13 mm OD) delivers a precision seal for brake calipers, banjo fittings, and hydraulic connections. Manufactured from high-purity copper, this washer deforms under torque to fill surface imperfections, creating a permanent, leak-proof joint critical to safe braking performance. Key Benefits Exact Dimensions: 8 mm inner diameter and 13 mm outer diameter for a snug, reliable fit. Superior Corrosion Resistance: Copper alloy withstands brake-fluid vapors, moisture, and road salt without pitting. Excellent Heat Conductivity: Rapidly dissipates heat from caliper fittings to maintain consistent hydraulic pressure. One-Time Crush Seal: Deforms under specified torque to fill micro-gaps, ensuring a leak-free connection. Durable & Reusable: Maintains sealing integrity through multiple service intervals when re-crushed to spec. Installation & Usage Clean Mating Surfaces: Remove old gasket and debris