CSF 65-89 Porsche 911 / 930 OEM+ High-Performance Oil CoolerCSF, The Cooling Experts, have been serving the US aftermarket for almost 4 decades. With over 30 million units sold, CSF is your exclusive source for Radiators, Condensers, Intercoolers, Inverter Coolers, Racing Radiators and Pressure Caps. This Part Fits: Year Make Model Submodel 1965 1968,1974 Porsche 911 Base 1974 1975,1984 1989 Porsche 911 Carrera 1989 Porsche 911 Carrera 4 1969 1973 Porsche 911 E 1968 Porsche 911 L 1967 1977 Porsche 911 S 1978