Cylinder head gasket- metal. 138mm inside Cylinder head gasket is New, Aftermarket part part with reference p/n: 9277662, for diesel engine Liebherr D914. We recommend gasket sets for a given model. Liebherr D914 engines are an intermediate design between the D904 and D924 engines. As an international group of companies, Liebherr takes up challenges while remaining true to its tried and tested family business principles.