Part Number: 04Y1788 (No description) Part Number: 04Y1844 (No description) Part Number: 04Y2050 (New-base cover) Part Number: 04Y2348 (New-keyboard,w540) Part Number: 04Y2426 (New-keyboard,w540) Part Number: 04Y32040 (No description) Part Number: 04Y4Y1 (No description) Part Number: 04Y5C1-ASTB (No description) Part Number: 04Y5V104M50NT (No description) Part Number: 04Y5V104Z16NT (Cap) Part Number: 04Y5V183Z16NT (Cap) Part Number: 04Y5V224ZIONT (No description) Part Number: 04Y9020129K (Taiyo) Part Number: 04YA1FN41 (No description)