Upgrade the suspension system of your 1999-2007 Silverado or Sierra with this Monroe 911504 monotube rear gas shock absorber. This shock absorber is made of high-quality steel material and comes with a shock and bushing, which makes the installation process easy, with no drilling required. The shock absorber is gas-charged, single-pipe, and has a travel length of 8.75 inches. This Monroe shock absorber is designed to provide you with a smooth ride, accurate fit, and better handling. The shock absorber comes with a screw-on mounting style and can be placed on the rear, left, or right side of the vehicle. It is a high-performance part that meets the OE/OEM part number of 22400370, 22400818, 22400265, 22400563, and 22400368. Exact item is shown. New open box with original packaging in fair condition. For models without electronic suspension. Item weight 5.25 lbs. 15.375 inch compressed length. 24.125 inch extended length. Made in USA. No returns if installed. This item is a new, opened customer return. It has been inspected and passed quality control to insure the condition described and contents are accurate. Please review actual photos as stock photos are not the actual item, our photos are. You will ONLY receive exactly what is shown in photos, regardless of what might have originally been included. Please review our business policies in our store for information regarding returns, shipping and warranties.