Model Compatibility: Fits L322 models equipped with 4.2L or 5.0L V8 engines produced between 2006 and 2012. Part Numbers Supported: Replaces engine gearbox support mounts with part numbers KQB500530, KQB500491, and KQB500460. Functionality: Restores mounting function between the engine and gearbox on compatible L322 vehicles. Design Specification: Matches the dimensional and structural configuration of the factory-installed engine gearbox support mounts. Installation Scope: Designed for direct replacement of existing engine gearbox support mounts without modification to the vehicle., Manufacturer: Forgekael