HP RU5-0959 gear is a replacement printer part for compatible HP LaserJet models. The listing identifies it as a 19-tooth gear, giving a clear specification for matching this component to the printer mechanism it serves.
It is listed for the HP LaserJet M3027 MFP, M3035 MFP, M3035xs MFP, P3005, P3005dn, P3005n and P3005x. The model references help distinguish its intended fit across these printer variants. The part number is RU5-0959; the listing also associates it with RU5-0959-000 and RU5-0959-000CN.