16mm. LEFT SIDE COMPONENTS. Left.3.6 LITER TWIN-TURBO. Right. Water retrn tube gasket. A component which prevents a leak at the Cooling System Bypass Line. A component which prevents a leak at the InterCooler Hose. An Gasket which prevents Oil leakage at the engine Oil Cooler Line fitting. Feed. Gasket for Coolant System. Pipe to Engine. Turbocharger Coolant Line Gasket. Turbocharger Coolant Line Washer. Turbocharger Cooling. Turbocharger Oil Line Gasket. Turbocharger Oil Line O-Ring. inlet tube seal. Charge Air Cooler Hose Seal. Engine Coolant Bypass Hose Seal. Engine Cooler Connector. Fitting seal. InterCooler Hose Seal. Turbocharger Coolant Washer. Turbocharger O - Ring. Water Feed tube. Water Pipe. Water retrn tube. Included with: Fitting, Oil Feed tube.