This Crush Washer Fits:
- 71-85 Front Mount Oil Cooler Crush Washer
- 71-91 Rx7 & 90-95 Cosmo Front Cover Oil Line Crush Washer (1)
- 89-91 Water Inlet/Outlet Pipe to Turbo Crush Washer (4)
Dimensions:
- Inside Diameter: 0.641"
- Outside Diameter: 0.865"
- Thickness: 0.056"
May be either copper or aluminum, depends on what Mazda sends us.