This is a brand new set of  Rack and Pinion Steel Cylinder Lines that fit Chevrolet Silverado 1500 Pickups, GMC 1500 and  Suburbans (Non-Hybrid)from 2008 through 2013. They fit right on the rack and usually rust out and start leaking.New O-Rings included. Please Note: There are 2 Styles of lines for this vehicle. Make sure the Photo's match your vehicle before ordering, Male or Female Threaded ends.PLEASE ADVISE FROM PHOTO'S WHICH STYLE OF LINES ENDS THAT YOUR VEHICLE HAS WHEN ORDERING TO ENSURE GETTING THE CORRECT PART. Not available through the dealer and these would save money by not having to buy a complete rack.