The CSF OEM+ oil cooler for Porsche 911/930 (1965–1989) is a right-fender replacement that blends classic appearance with modern cooling tech. Developed after extensive testing, it features an enlarged 50mm core, square fin design, M22 inlet/outlet, three fitting options for sender or fan use, slotted mounting holes, OEM-style bracket weld, and 100% TIG welds. Pressure tested and tuned to support higher-horsepower builds.
CSF 65-89 Porsche 911 / 930 OEM+ High-Performance Oil Cooler