Cylinder head gasket- metal. 138mm inside Cylinder head gasket is New, Aftermarket part part with reference p/n: 9277662, for diesel engine Liebherr D916. In the category to which this product belongs, you can find various gaskets as well as complete sets. Liebherr D916 engines have a piston diameter of 120mm. The Liebherr concern is one of the leading brands in the construction machinery market.