Material: rubber compound Item Diameter: 0 External Testing Certification: ISO9001 Special Features: None Model Name: GL1800 2001-2017 Displacement: 1800cc This gasket set is designed for use with GL1800 models from 2001 to 2017.Made from a rubber compound, it provides a seal within the engine system.The design allows for straightforward installation without requiring modifications or additional tools.It maintains stability under operating temperatures up to 105℃, supporting consistent engine performance.Conforms to ISO9001 standards for consistent manufacturing practices. Important: This product is an aftermarket alternative.Brand names mentioned serve only to show which devices it fits.