This gasket seals the joint between two stationary components in the threshing unit of a self-propelled forage harvester. It prevents leakage of material or debris from the enclosed area during operation. A compromised gasket allows foreign material ingress or loss of internal pressure, which can lead to accelerated wear on the adjacent rotating assemblies. The gasket is cut to match the original profile of the housing face, ensuring a consistent clamp load across the entire sealing surface when the bolts are torqued to specification.