Copper Crush Washers 3/8″ ID × 5/8″ OD

Get precision sealing on every fluid-line connection with AGS’s 3/8″ ID × 5/8″ OD copper crush washers. Manufactured from soft, high-conductivity copper, these washers deform consistently under torque to fill surface irregularities and prevent leaks. They’re ideal for professional shops, fleet maintenance, and DIY installers working on brake banjo fittings, fuel line connections, hydraulic assemblies, and more.

Key Features

Premium Copper Alloy: Soft, malleable material conforms to mating surfaces for a perfect seal

Corrosion-Resistant: Naturally withstands brake fluid, fuel, oil, and hydraulic media without pitting

Uniform Crush Profile: Ensures consistent deformation and reliable torque readings

Versatile Compatibility: Fits 3/8″ male fittings with 5/8″ seat diameters on automotive, industrial, and agricultural equipment

Trust AGS copper crush washers to keep your fluid systems leak-free, job after job.