[Premium quality]: throttle body is made of premium aluminum material that is heat-resistant and corrosion-resistant. It can ensure consistent optimal performance even in demanding situations. [Reference OEM part number]: 04891735AC, 4891735AC, 4891735AD, 977025, 977-025, 4891735AB, 4891735AA, 5429090, S20176, E100449, 67-7002, 6E-7002, ETB10008, NTB1064, RTB1064, SK977025, TB1150.