Detroit Axle - Complete Power Steering Gear Box Assembly - for Chevrolet Silverado, Suburban, Tahoe & GMC Savana, Sierra & Yukon 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