1991-2001 Jeep XJ Aluminum Performance Radiator. These COLD-CASE radiators are Tig welded 100 percent aluminum and absolutely beautiful. Don't buy a 3 or 4 row aluminum radiator! It doesn't cool as good as these oversize 2 row models. These radiators are original appearing and have the correct stamping. Once painted, you'd be hard pressed to find a difference over an original versus a COLD-CASE. 100 percent TIG welded All Aluminum Polished OE style tanks 16 fins per inch Corrugated fins that give more surface area and more thermal transfer Pressure tested Direct fitment for 84-90 Jeep XJ Old Part Number: RPE993 Radiator Specs Core Height 11 inch Core Width 31 inch Overall Height Overall Width Overall Thickness Upper Hose Lower Hose Tubes(2) 1 inch Tubes