Product Description 1.Stainless steel breather with o-ring to prevent loosening with vibration. 2.Direct installation. Any further modifications are not needed,it is more conveniently and easily. 3.Good sealing.(The oil will not penetrate easily) Fitment for 2000-2003 For Dakota 3.9L V-6 2000 : For Durango, Dakota 4.7L 2000-2001 : For Ram 1500 5.2L 2000-2003 : For Dakota, Ram 1500, Ram 2500, Ram 3500 5.9L 2000-2003 : For Ram 1500, Ram 2500, Ram 3500 5.2L Note .