This Fuel Tank Vent Valve is an authentic ACDelco (OE) product, designed to fit perfectly with GM vehicles. The part number for this product is 15640448. It is an essential component of the air and fuel delivery system of your vehicle and is a necessary replacement for maintaining the performance of your car or truck. This product is listed under the category of Other Air & Fuel Delivery in eBay Motors. It is a genuine GM Original Equipment and is ideal for those who are looking for a reliable and high-quality fuel tank vent valve. With this product, you can be assured that you are getting the best quality and value for your money.