Heavy Duty Diesel Fuel Cooler Color/Finish:Black Core Material:Steel Core Tube Width:0.53 In. Diameter:0.53 In. Finish:Matte Inlet Diameter:0.637 In. Inlet Fitting Type:Male Item Grade:Standard Replacement Length:38.5 In. Material:Steel Outlet Diameter:0.637 In. Outlet Fitting Type:Male Package Contents:1 Fuel Cooler, Washers Thickness:0.135 In. Width:3 In. California Proposition 65:WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov