The WIX Air Filter P/N 42487 is a high-quality air filter designed as a direct replacement for specific GMC Yukon XL models. It features a Class A rating and a cubic feet per minute (CFM) of 320, providing efficient filtration for the vehicle's engine. The filter is made of enhanced cellulose material and has a closed inner diameter top. With dimensions of 12.250 inches in length, 9.720 inches in width, and 2.365 inches in height, this air filter offers reliable filtration performance for optimal engine function. Free shipping is included with this new-in-box (NIB) product. New. Thanks for looking.