MagnaSteer [w/Sensor] Complete Power Steering Rack and Pinion Assembly fits Pontiac Grand Prix, LaCrosse, Regal & Intrigue With Magnasteer Sesnor (Electronic Wire Coming From Pinion) - Complete Power Steering Rack & Pinion Assembly To Activate your Lifetime Warranty; you must send in your core unit. Call us when you order to get a return shipping label for your old unit. New Oil and Lip Seals installed to ensure quality performance, Hydraulically Pressure Tested to Ensure Internal By-Pass for Both High & Low Pressure Tie Rod Load, Road Simulated for Proper Functioning