This power window regulator is a high-quality replacement for your Avalanche or Sierra vehicle. Designed to fit the rear left window, it is made of durable steel material with dimensions of 26x15x3. The part numbers for this product are OE/OEM 15077722, 19301981, and 15135970, with a superseded part number of 88937199. This power window regulator is a perfect fit for your vehicle, providing reliable performance without any issues. It is not a vintage part and does not have universal fitment. This product is categorized under Additional Glass Window Parts, Glass Window Parts, Exterior Parts Accessories, Car Truck Parts Accessories, and Parts Accessories Motors. Exact item is shown. New open box with partial original packaging. Motor has 2 pin connector. Made in China. 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.