The assembly consists of the palmrest p/n GN0D2 and aUS English keyboard p/n D0FM7. The part number of the touchpad is M3F5Y (or equivalent). Dell Precision 5550/5560/5570 Palmrest, Touchpad & US/INT ENGLISH Backlit Keyboard - 0GN0D2 + 0D0FM7 (M7T24).
eBay