With a Rugged Ridge black steel differential cover in place, your differential's internal components will be well-defended from hazards on the trail. Made of 3/8-inch cast steel, this heavy duty differential cover is guaranteed not to break during normal use. Rugged Ridge paints the cover inside and out to keep corrosion at bay and ensure the cover performs for years. Don't get stuck with stock: upgrade to a Rugged Ridge black steel differential cover. | Rugged Ridge Black Steel Differential Cover 16595.35