Detroit Axle - Complete Power Steering Gear Box Assembly for Chevrolet Silverado 1500, Tahoe & GMC Sierra 1500, Yukon Trucks w/Off-Road Package For Vehicles with Off-Road Package - Made in Detroit, USA - Lifetime Warranty Guarantee Complete Power Steering Gear Box Assembly 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