The Dorman 521-979 Rear Upper Trailing Arm is a high-quality, steel-based replacement part designed for the Trailblazer, Envoy, and Rainier vehicles. This bolt-on trailing arm features a mounting style with 2 bracket holes and a length of 262.5mm, making it easy to install with no drilling required. With a 100% accuracy of fit and sealed construction, this durable component is ideal for replacing worn-out or damaged trailing arms on the upper rear left or right side of the vehicle. Built by Dorman, a trusted brand in car parts, this trailing arm ensures a stable and smooth driving experience. Exact item is shown. New open box without original packaging. For models wo/RPO Code G67 (Auto Air Level Control.) 262.5 mm length. Item weight 4 lbs. Made in Taiwan. 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.