HP 734281-001 - Upper CPU cover (chassis top) - Includes TouchPad, TouchPad cable, and TouchPad bracket Retail
HP 419163-001 - Top cover - Surrounds keyboard and touchpad (nc4400) - Includes bracket and cable for the touchpad - Does NOT include touchpad Retail
HP 419164-001 - Top cover - Surrounds keyboard and touchpad (tc4400) - Includes bracket and cable for the touchpad - Does NOT include touchpad Retail
HP 443921-001 - Top cover assembly - Includes TouchPad, TouchPad cable, and fingerprint reader Retail
HP 443823-001 - Top cover assembly - Includes TouchPad and TouchPad cable - For models 6710s and 6715s Retail
