This is a Chrome Oil Cooler. It fits 1999 & later FXD, FXDL, FXDX, FXDXT, FXDWG, and FXDS models. Oil Cooler kit has a thermostat built into the oil filter mount. All hardware is included. Retail is $499.95. This is new, still in the box, never been installed on a motorcycle. Part number is 62985-04.