Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool This engine oil dipstick tube is designed to match the fit and function of the original tube on specified vehicles, and is engineered for durability and reliable performance. With over 80,000 products backed by a team of product engineers and experts based in the United States, Dorman is the first choice of automotive professionals, backyard mechanics, and do-it-yourselfers all over North America This engine oil dipstick tube is designed to match the fit and function of the original tube on specified vehicles, and is engineered for durability and reliable performance. 2007-2007 SILVERADO SIERRA 8.1 ENGINE OIL DIPSTICK TUBE Oil Dipstick Tube Genuine Dorman Engine - Metal 918-660 Dorman 918-660 Restores functionality - reliable replacement for an original part that is missing, bent or broken Replaces 12570590. Compatible With 2001-2006 GMC Yukon XL 2500 8.1L V8 496ci. See full description. Buy It Now. Dorman 918-660 Engine Oil Dipstick Tube - Metal Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. This part is compatible with the following vehicles.