J&M Products Copper Crush Washers - 10mm / 3/8" - 10-Pack (Part #22900)

Copper crush washers for J&M 10mm/3/8" brake hose banjo fittings. Part # 22900 10-Pack | Part # 22900 Ensure a perfect, leak-free seal for your hydraulic fittings with this 10-pack of J&M Products 10mm / 3/8" copper crush washers, made to J&M specifications as an exact fit for our stainless steel brake hose kits. Why Copper Crush Washers Crush washers deform under pressure to create a tight seal between a banjo bolt and mating surface — a more uniform seal than standard washers, critical for high-pressure brake systems. Copper is ideal because it is: Malleable — deforms easily to fill micro-gaps for a secure, leak-free connection. Corrosion-resistant — withstands brake fluid and other fluids without degrading. Heat-resistant — holds up under the high temperatures generated by brake systems. Product Specifications Quantity: 10 washers per pack Material: High-quality copper Inner diameter (ID): 10mm / 3/8" Outer diameter (OD): 15.75mm Thickness: 2mm Compatibility: Universal fitment possible — confirm dimensions match your application; exact fit for J&M Products stainless steel brake hose kits. Made in the USA.