Oil cooler CoolPressure Chrom We offer a brand new oil cooler for Harley Davidson here. The oil cooler is universally usable for many Harley-Davidson models. The fittings are there, the oil cooler has a assembly clamp for frame with 1 ", 1 1/8", 1 1/4 "and 1 1/2" diameter. An oil pressure meter is integrated in the oil cooler. In our program you will find many other beautiful custom parts around the oil system.