Get your semi Ready for the Road Ahead with an efficient seal around the axle shaft, with the OTR 5-5/8" ID 8-Bolt Standard Drive Axle Flange Gasket. This replacement component tightly seals the area around the axle shaft to prevent fluid leaks, while also stopping contaminants from entering the axle assembly. Engineered with resilient materials to tolerate wear and tear from everyday use. FleetPride is your First Click in Heavy Duty .