Eathtek Replacement Keyboard for Acer Aspire 3810 4250 4253 4330 4738 4743 KBI140A085 NSK-AMK1D 9J.N1P82.K1D series Black US Layout Compatible Model Number: Acer Aspire 3810 4250 4253 4330 4738 4743 Compatible Part Numbers: KB.I140A.085 KBI140A085 NSK-AMK1D 9J.N1P82.K1D 6037B0039201 KB.I140A.058 PK1307R1A01 9J.N1P82.A1D NSK-AMA1D KB.I140A.229 MP-09G23U4-442 AEZQ1R00010 9Z.N1P82.Q1D 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.