Differential covers 101
PU Truck mag That answered a lot of my questions about these covers. Extra large ones may not make a lot of sense because they disturb the oil flow in the housing.
Forum Discussion
Over the years I've been a fan of looking at rear ends, but not finned aftermarket covers. Can someone tell me how long the rear differential in our 2003 Dodge dually is going to run with 242,000 miles on the clock with the plain old OEM cover towing a 40' fiver?
