XL (not for regular Yukon). Can not 100% fully cover. The factory base molding on your truck.Base wider factory plastic moldings (same color as your truck) are not included for sale. Front door measurement should be 42 7/8 between end caps. Rear door measurement should be 34. Yours could be different as the moldings are sometimes cut different at the factory. Leave the length you need in between the end caps and we can custom order it for free. Install onto/over the factory body side molding as an overlay. 304 stainless steel, 24 gauges (about 1/32) thickness with beveled edges. It is NOT the factory replacement part. Full 3M tape on the back, just peel and stick over your existing plastic molding as an. Please send the return tracking info immediately. Make sure the surface is clean before installation. Once used, we can not take it back for resale. The item "10-14 Suburban/Avalanche/Yukon XL Body Side Molding Overlay Trim Stainless 4 4P" is in sale since Tuesday, April 9, 2013. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exterior\Mouldings & Trim". The seller is "g-autoparts" and is located in Pomona, California. This item can be shipped worldwide.