Some transfer cases are lubricated with gear oil and others use automatic transmission fluid. Of course, it's important to use the right fluid for your vehicle and we can help you do it right. When you need four-wheel drive you really need it. With proper transfer case care we can make sure it's available. At 1 STOP Tire & Auto Service in Castle Rock we install quality NAPA replacement parts. Give us a call at 303.688.0366 and let us help keep you safely and economically on the road.