Eathtek Replacement Keyboard For Acer Aspire AS7741Z-4815 AS7741Z-5731 AS5742-7620 AS5742-7645 AS7741Z-4643 series Black US Layout, Compatible part number 90.4CH07.S1D NSK-ALA1D PK130C92A00 Compatible Model Numbers: Acer Aspire AS7741Z-4815 AS7741Z-5731 AS5742-7620 AS5742-7645 AS7741Z-4633 AS7741Z-4643 Compatible Part Numbers: 90.4CH07.S1D NSK-ALA1D PK130C92A00 Replacement and high quality,Replace your faulty, cracked or broken keyboard Each keyboard is tested before shipping All pictures are taken from the real item, please check carefully before bidding.