HP 451407-001 - Top cover (top case) assembly - includes the touchpad circuit - For de-featured Presario model Retail
HP 431419-001 - Top cover assembly - With touchpad board - Includes audio speakers - For de-featured Presario model Retail
HP 373291-001 - Top plastic cover (chassis top) - Includes speakers and touchpad (Asia-Pacific/Japan) Retail
HP 371799-001 - Top plastic cover (includes speakers and touchPad) - For use in Pavilion notebook models Retail
