O.E.M. Used ENGINE OIL PUMP  For 6.0L LS Series LQ4 Vortech Engine. It's in perfect used condition came out of my 2005 Yukon Denali XL engine. Bought a new engine parting out old engine. Pump Works fine there isn't anything wrong with it at all. Pump is in good used condition! message me for any questions. Thx for looking!