These critical O-Rings will wear out eventually. Why not replace the O ring on your remote temperature sensor and avoid those leaks. This is a High Temp gasket for your oil temp sensor 'Taco Plate' fits all Porsche 914-4 1,7L, 1.8L, 2.0L, Porsche 914-6 All and 911- '74-'77. This is for one 'O' ring, buy an extra one and keep it in the garage. Other sites, are selling this well over $11+, buy a couple today and keep that maintenance up~!! Sold as Each (1).