Original OEM Genuine Dell Latitude D420 D430 Laptop Notebook CPU Heatsink and 3-Pin Fan Assembly Compatible Dell Part Numbers: KJ415, 0KJ415, ET00B000500, RW407, 0RW407 Heatsink and Fan Assembly Compatible Systems: Latitude D420 D430 Compatible Part Numbers: KJ415, 0KJ415, ET00B000500, RW407, 0RW407