Dorman's Power Steering Cooler is conveniently designed as a direct replacement and in some cases an improved design for increased longevity. A proper fit is ensured, every time. FITMENT CHART 1999-2006 Chevrolet Silverado 1500 Please wait... 2007 Chevrolet Silverado 1500 Classic Please wait... 1999-2006 GMC Sierra 1500 Please wait... 2007 GMC Sierra 1500 Classic Please wait... INTERCHANGE General Motors : 15295845 SPECIFICATIONS Color Black Fitting Type Female Tube Height 1 Inlet Fitting Inside Diameter 0.377 Inlet Fitting Outside Diameter 0.643 Material Metal Outlet Fitting Inside Diameter 0.362 Outlet Fitting Outside Diameter 0.651 Length 18 Overall Width 3 In. Package Contents 1 Power Steering Cooler Thickness 1 California Proposition 65 WARNING: Cancer and Reproductive Harm GÇô www.P65Warnings.ca.gov