11101-28012 is the original part number of a Toyota engine cylinder head. This cylinder head is mainly used in some Toyota models, especially 2.0L and 2.4L displacement engines. Specific models and engines that may be adapted include:
Toyota Camry
Toyota RAV4
Toyota Hiace
Main functions and effects of the cylinder head:
Sealing the combustion chamber: The cylinder head seals the top of the cylinder to form a combustion chamber, ensuring that the fuel and air in the cylinder burn under the correct conditions.
Accommodating valve components: The cylinder head includes intake and exhaust valves, which are responsible for controlling the intake and exhaust processes of the engine.
Cooling and lubrication: The cylinder head is equipped with oil and water channels to ensure the normal flow of engine coolant and lubricating oil to prevent the engine from overheating.
Installing spark plugs or injectors: Depending on the engine type, there are installation holes for spark plugs (gasoline engines) or injectors (diesel engines) on the cylinder head.
Cylinder head material:
Usually made of aluminum alloy or cast iron, with excellent heat resistance and corrosion resistance.
Applicable engine:
This numbered cylinder head is generally suitable for 2AZ-FE and 1AZ-FE engines, which are commonly found in Toyota 2.0L and 2.4L displacement models.
