Dorman 600-203 4WD Auto Locking Hub for Select Ford and Lincoln Trucks DIRECT REPLACEMENT: This Dorman 4WD auto locking hub is specifically engineered to match the original design and performance of the original 4WD auto locking hub on select Ford and Lincoln vehicles. RIGOROUSLY TESTED: Dorman transfer case motors are rigorously tested, including vehicle try-on testing, to ensure a long service life. HIGH-QUALITY: Built from high-quality materials to ensure long-lasting durability and a longer service life SUPPORT AVAILABLE: If you have any trouble, every Dorman part is backed by Dorman's ASE Blue Seal Certified technical support team. ENSURE FIT: To make sure this fits your exact vehicle, input your year, make, model and trim into the Amazon Garage. Original Equipment (OE) Numbers: 1C3Z-3B396-CB